JP6407375B1 - Method and computer system for assessing building value - Google Patents

Abstract

A method for assessing the value of a building is provided.
A method for assessing the value of a building includes assessing the value of the renovated building based on an insurance value calculated by an insurance company when the building is renovated. Assessing the value of the building after the renovation consists of the first insurance value calculated to represent the value of the building before the renovation and the second value calculated to represent the value newly generated in the building by the renovation. Based on the insurance value. Alternatively, evaluating the value of the building after the renovation is calculated to represent the first insurance value calculated to represent the value of the building before the renovation and the value newly generated in the building by the renovation. This is based on the insurance value of 2.
[Selection] Figure 1

Description

  The present invention relates to a method and a computer system for evaluating the value of a building.

  Conventionally, it is known that the scale expansion of the used housing market and the renovation market has slowed (see, for example, Non-Patent Document 1).

Minkabu Co., Ltd., “Residential“ regeneration ”spotlight, interest in revitalizing the secondhand market <stock search top feature>”, [online], [searched on July 28, 2017], Internet //kabutan.jp/news/marketnews/?b=n201703020526>

  At present, effective measures for revitalizing the used housing market and the renovation market have not been realized. One of the causes is that conventionally, a method for objectively evaluating the value of a used house or a house after renovation has not been established. Establishing a method to objectively evaluate these has been a challenge that has been sought for many years but has not been realized.

  The present invention has been made in view of the above-described problems, and an object thereof is to provide a method and a computer system for objectively evaluating the value of a building after renovation.

  The method of the present invention is a method for evaluating the value of a building, wherein the method evaluates the value of a building after renovation based on an insurance value calculated by an insurance company when the building is renovated. Including doing. As a result, the above object is achieved.

  The evaluation of the value of the building after the renovation represents a first insurance value calculated to represent the value of the building before the renovation and a value newly generated in the building by the renovation. May be performed based on the second insurance value calculated in step (b).

  Assessing the value of the building after the renovation is to represent a first insurance value calculated to represent the value of the building before the renovation and a value newly generated in the building by the renovation. You may perform based on the 3rd insurance value calculated based on the calculated 2nd insurance value.

  The insurance value may be represented by a new price.

  The insurance value may be calculated based on one or more evidence of the reform.

  The computer system of the present invention is a computer system for evaluating the value of a building, and when the building is renovated, the computer system is configured for a building after renovation based on an insurance value calculated by an insurance company. Includes a means of assessing value. As a result, the above object is achieved.

  A database unit is connected to the computer system. The database unit stores data indicating one or more evidences of the reform, and the computer system is stored in the database unit. It may further include means for calculating the insurance value based on one or more evidences indicating the contents of the reform.

  According to the present invention, it is possible to provide a method and a computer system for objectively evaluating the value of a building after renovation.

The figure which shows the method for objectively evaluating the value of the building after the renovation Diagram showing changes in building value The figure which shows an example of the data flow for objectively evaluating the value of the building after renovation The figure which shows another example of the data flow for objectively evaluating the value of the building after renovation The figure which shows an example of a structure of the system 400 for implement | achieving objectively evaluating the value of the building after renovation The figure which shows another example of a structure of the system 410 for implement | achieving objectively evaluating the value of the building after renovation

  Hereinafter, definitions of terms used in the present specification will be described.

  “Building” means an object that is built to be fixed on the land. “Building” includes, for example, a detached house and a condominium.

  “Renovation” refers to any act of changing the interior or exterior of a building (eg, if the building is a condominium, the exclusive or shared portion of the apartment) from its current state to another state. In this specification, “reform” includes, for example, repainting of a wall, replacement or repair of equipment, extension of a building, renovation that changes the floor plan, reinforcement work (for example, strengthening of earthquake resistance), barrier-free compatibility (for example, This includes installation of handrails, elimination of floor differences), and all electrification.

“New value” refers to the amount when it is assumed that the same building as the existing building will be newly constructed. The new price is also called the replacement price. The new price is expressed as follows based on the amount actually required for construction (building price) and the price fluctuation (price fluctuation rate) of building materials and the like.
New value = Building value × Price fluctuation rate

“Market value” is an amount that takes into account the deterioration of buildings over time, deterioration in use, etc., together with new prices. The market price is expressed as follows based on the new price and the depreciation due to deterioration over time and use.
Market value = New value-Depreciation due to deterioration over time and use

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

1. Method for Objectively Evaluating the Value of a Renovated Building FIG. 1 schematically shows a method for objectively evaluating the value of a building after renovation. Hereinafter, each step of the method will be described.

  Step S101: The insurance company evaluates the value of the building before renovation. The value of the building before renovation is calculated as the first insurance value. Here, “before remodeling” refers to an arbitrary time before the current remodeling. “Before reform” may be, for example, at the time of new construction, at the time of previous reform, or just before the current reform.

  Step S102: When the building is renovated, the insurance company evaluates the value newly generated in the building by the renovation. The value newly generated in the building by the renovation is calculated as the second insurance value. Here, examples of “value newly generated in the building by renovation” are the value increased by repainting the wall, the value increased by replacement or repair of equipment, the value increased by extension of the building, and the renovation that changes the floor plan. Increased value, increased value due to reinforcement work (for example, enhanced earthquake resistance), increased value due to barrier-free compatibility (for example, installation of handrails, elimination of floor steps), increased value due to all electrification, etc. However, it is not limited to these.

  Step S103: The insurance company evaluates the value of the building after the renovation.

  The value of the building after the renovation is evaluated based on, for example, the first insurance value calculated in step S101 and the second insurance value calculated in step S102. This is because, for example, the value of the building after renovation is the insurance policy of the building before renovation (the insurance policy of the first insurance value) and the insurance policy of the value newly generated in the building by the renovation (of the second insurance value) This is equivalent to the case where it is secured by insurance policy.

  Alternatively, the value of the building after the renovation is evaluated based on the third insurance value calculated based on the first insurance value calculated in step S101 and the second insurance value calculated in step S102. May be. This corresponds to, for example, the case where the value of the building after renovation is secured by the insurance policy of the building after renovation (the insurance policy of the third insurance value).

  Thus, by evaluating the value of the building after renovation based on the insurance value calculated by the insurance company, it is possible to objectively evaluate the value of the building after renovation. The insurance value calculated by the insurer is the amount that the insurer is actually required to pay when incurred. Therefore, it can be said that the evaluation based on the insurance value calculated by the insurance company is highly reliable and objective.

  The insurance value calculated by the insurance company is preferably represented by a new price. This is because when the insurance value is represented by a new price, the value newly generated in the building by the renovation can be expressed without being influenced by the timing at which the building after the renovation is evaluated. In contrast, when the insurance value is represented by the market value, it can be said that it is difficult for the owner of the building to realize the value newly generated in the building by the renovation. This is because the value of the building decreases as time goes by due to deterioration over time and deterioration of the building, and even if the building is renovated, the amount paid at the time of the damage is renovated and unrenovated This is because it is not different from the building.

  FIG. 2 schematically shows changes in the value of the building. More specifically, FIG. 2A shows a change in the value of the building when the new value is used to evaluate the value of the building by the method shown in FIG. 1, and FIG. This shows the change in the value of the building when the building is evaluated.

In FIG. 2, the horizontal axis indicates time. Times t ₁ , t ₂ , and t ₃ indicate the timing when the building is renovated. Time t ₀ is a certain timing before time t ₁ . In the example shown in FIG. 2, the first renovation of the building is performed at time t ₁ , the second renovation of the building is performed at time t ₂ , and the third remodeling of the building is performed at time t ₃ . It is assumed that remodeling has been performed. In FIG. 2, the vertical axis represents the value of the building.

In FIG. 2A, V ₁ indicates the value of the building before the first renovation evaluated in step S101 shown in FIG. 1 (first insurance value calculated by the insurance company), and ΔV is the first remodeling evaluated in step S102 shown in FIG. 1 shows the value newly generated in the building (second insurance value that has been calculated by the insurance company), V ₂ is the step S103 shown in FIG. 1 The value of the building after the first renovation evaluated in (3) is the third insurance value calculated by the insurance company.

Thus, in the example shown in FIG. 2A, it can be seen that the value of the building has increased by ΔV from V ₁ to V ₂ by the first reform. In the example shown in FIG. 2A, the relationship between V ₂ and V ₁ is represented by the equation V ₂ = V ₁ + ΔV, but the relationship between V ₂ and V ₁ is not limited to this. . The relationship between V ₂ and V ₁ can be expressed by the equation V ₂ = F (V ₁ + ΔV) where F is a given arbitrary function. The same applies to the second and third reforms. In the example shown in FIG. 2 (a), it can be seen that the value of the building increases to the right without increasing after each renovation.

V ₁ shown in FIG. 2B is the same as V ₁ shown in FIG.

In the example shown in FIG. 2B, it can be seen that the value of the building decreases with time. This is due to deterioration of buildings over time and use. Therefore, the value of the building decreases from V ₁ to the lower right as time passes and approaches time t _{1 due} to aging and use deterioration of the building. In addition, with the conventional method, there was no idea of evaluating the value newly generated in the building by renovation. Therefore, even if the owner of the building reforms the building at times t ₁ , t ₂ , and t ₃ , it is difficult to recognize that the value of the building has increased due to the reform. This is because such reform first increases the value of the building so as to compensate for the decrease in the value of the building (ie, to return negative to zero with V ₁ as the reference (zero)).

  Thus, according to the method described above with reference to FIG. 1, the value of the building after renovation is appropriately evaluated by evaluating the value of the building after renovation based on the insurance value calculated by the insurance company. Is possible. In addition, by calculating the insurance value so as to represent the value newly generated in the building due to the reform, it is possible to appropriately evaluate that the value of the building has increased due to the reform. As described above, it is possible to appropriately evaluate the value of the building after the renovation and / or the value newly generated in the building by the renovation.

  It is possible to further develop the used housing market and the renovation market by establishing a method for appropriately evaluating the value of the building after the renovation and / or the value newly generated in the building by the renovation.

2. Data Flow for Objectively Evaluating the Value of the Renovated Building FIG. 3A shows an example of a data flow for objectively evaluating the value of the rebuilt building. Hereinafter, each step shown in FIG. 3A will be described.

  Step S301: The building owner makes an evaluation request for a building owned by the building to a building management company that manages the building. The mode of this request does not matter. The owner of the building may make a request using, for example, a telephone, a request using a FAX, a request using an e-mail, or a building management company. You may make a request by meeting directly with an employee.

  Step S302: Upon receiving a building evaluation request from the building owner, the building management company requests the insurance company to evaluate the building. At this time, the building management company provides information on the building to the insurance company. Information on the building includes, for example, the building location, age, structure / story, renovation information (for example, whether or not renovation has been performed, the location of the renovation, the date of renovation, etc.), facility information, etc. including. Such information on buildings is stored, for example, in a database connected to a computer system managed and operated by a building management company.

  Step S303: Upon receiving the building evaluation request and the building information from the building management company, the insurance company calculates the building value as a first insurance value based on the building information.

  Step S304: The insurance company evaluates the value of the building based on the first insurance value. At this time, the insurance company creates a first insurance policy that describes the first insurance value.

  Step S305: The insurance company notifies the building management company of the building evaluation result (ie, the first insurance value). This notification mode is arbitrary. For example, notification may be made via the Internet, or notification may be made without going through the Internet. In addition to this notification or instead of this notification, the insurance company may issue the first insurance policy to the building management company.

  Step S306: The building management company notifies the building owner of the building evaluation result (that is, the first insurance value). This notification mode is arbitrary. For example, notification may be made via the Internet, or notification may be made without going through the Internet. When the building management company receives the first insurance policy from the insurance company, the building management company may issue the first insurance policy to the owner of the building in addition to or instead of this notification. Good.

  Step S307: The building owner makes a renovation request to the building management company. The mode of this request does not matter. The owner of the building may make a request using, for example, a telephone, a request using a FAX, a request using an e-mail, or a building management company. You may make a request by meeting directly with an employee.

  Step S308: Upon receiving a renovation request from the owner of the building, the building management company renovates part or all of the building. Alternatively, when the building management company receives a renovation request from the owner of the building, the building management company may cause the subcontracting company of the building management company to renovate the building. In this way, the building management company can function as a remodeling company that renovates the building.

  Alternatively, when the building management company receives a renovation request from the owner of the building, the building management company may arrange the renovation of the building to a construction company. In this way, the building management company can function as a mediator of the renovation.

  Step S309: When renovation of the building is completed, the owner of the building makes an evaluation request for the value of the renovation part (value newly generated in the building by the renovation). The mode of this request does not matter. The owner of the building may make a request using, for example, a telephone, a request using a FAX, a request using an e-mail, or a building management company. You may make a request by meeting directly with an employee.

  Step S310: When the building management company receives an evaluation request for the reformed part (value newly generated in the building by the reforming) from the building owner, the building management company requests the insurance company to evaluate the reformed part. At this time, the building management company provides information on the reform to the insurance company. As described above, such reform information is stored in, for example, a database connected to a computer system managed and operated by a building management company.

  Step S311: When the insurance company receives an evaluation request for the renovation part and information on the renovation from the building management company, the insurance company calculates the value of the renovation part as a second insurance value based on the information on the renovation.

  Step S312: The insurance company evaluates the value of the reformed portion based on the second insurance value. At this time, the insurance company creates a second insurance policy that describes the second insurance value.

  Step S313: The insurance company calculates the value of the building after the renovation as the third insurance value based on the first insurance value and the second insurance value.

  Step S314: The insurance company evaluates the value of the building after the renovation based on the third insurance value. At this time, the insurance company provides a third insurance policy in which the third insurance value is described (for example, an insurance policy indicating a description content obtained by integrating the description content of the first insurance policy and the description content of the second insurance policy). ) May be created.

  Step S315: The insurance company notifies the building management company of the evaluation result (second insurance value) of the renovation part and / or the evaluation result (third insurance value) of the building after the renovation. This notification mode is arbitrary. For example, notification may be made via the Internet, or notification may be made without going through the Internet. In addition to this notification or instead of this notification, the insurance company may issue the second insurance policy and / or the third insurance policy to the building management company.

  Step S316: The building management company notifies the building owner of the evaluation result (second insurance value) of the renovation part and / or the evaluation result (third insurance value) of the building after the renovation. This notification mode is arbitrary. For example, notification may be made via the Internet, or notification may be made without going through the Internet. When the building management company is issued a second policy from the insurance company, the building management company may issue the second policy to the owner of the building in addition to or instead of this notification. Good. When the building management company receives a third insurance policy from the insurance company, the building management company may issue a third insurance policy to the owner of the building in addition to or instead of this notification. Good.

  In the example described above with reference to FIG. 3A, the insurance company calculates the first insurance value and the second insurance value based on the information on the building and the information on the renovation provided by the building management company. Although described, the present invention is not limited to this. The insurance company shall calculate the first insurance value and the second insurance value by using its own method for calculating the insurance value without using the information on the building and the renovation provided by the building management company. It may be.

  In the example shown in FIG. 3A, the insurance company and the owner of the building evaluate the value of the building after the renovation by intermediating through the building management company. It is not limited. As will be described later, the insurance company and the owner of the building may evaluate the value of the building after the renovation by directly communicating with each other.

  FIG. 3B shows another example of the data flow for objectively evaluating the value of the building after the renovation. Hereinafter, each step shown in FIG. 3B will be described.

  Step S301 ': The owner of the building makes a request for evaluation of the building owned by the owner to the insurance company. At this time, the owner of the building provides information on the building to the insurance company. The mode of this request does not matter. For example, the owner of a building may make a request using a telephone, may make a request using FAX, may make a request using e-mail, You may meet the employee directly and make a request. The information on the building includes, for example, the location of the building, age, structure / story, renovation information (for example, whether the renovation has been completed, the location where the renovation has been performed, the date on which the renovation has been performed, etc.), equipment Contains information. Such information on the building may be acquired from a building management company that manages the building, or may be independently managed by the owner of the building. Good.

  Step S302 ': Upon receiving the building evaluation request and the building information from the building management company, the insurance company calculates the building value as the first insurance value based on the building information.

  Step S303 ': The insurance company evaluates the value of the building based on the first insurance value. At this time, the insurance company creates a first insurance policy that describes the first insurance value.

  Step S304 ': The insurance company notifies the building owner of the building evaluation result (ie, the first insurance value). This notification mode is arbitrary. For example, notification may be made via the Internet, or notification may be made without going through the Internet. In addition to or instead of this notification, the insurance company may issue a first insurance policy to the owner of the building.

  Step S305 ': After renovating the building, the building owner makes an evaluation request for the value of the renovation part (value newly generated in the building by the renovation). At this time, the owner of the building provides information on the reform to the insurance company. The mode of this request does not matter. For example, the owner of a building may make a request using a telephone, may make a request using FAX, may make a request using e-mail, You may meet the employee directly and make a request. In addition, such renovation information may be obtained from a building management company that manages the building, or is independently managed by the owner of the building on its own. May be. Furthermore, the renovation of the building may be accomplished by the building owner requesting a renovation from a remodeling company (for example, a construction company, a building management company, etc.), or the building owner performs the renovation by himself / herself. (So-called DIY (Do It Yourself)).

  Step S306 ': When the insurance company receives the evaluation request for the renovation part and information on the renovation from the owner of the building, the insurance company calculates the value of the renovation part as a second insurance value based on the information on the renovation.

  Step S307 ': The insurance company evaluates the value of the reformed portion based on the second insurance value. At this time, the insurance company creates a second insurance policy that describes the second insurance value.

  Step S308 ': The insurance company calculates the renovated building value as the third insurance value based on the first insurance value and the second insurance value.

  Step S309 ': The insurance company evaluates the value of the building after the renovation based on the third insurance value. At this time, the insurance company provides a third insurance policy in which the third insurance value is described (for example, an insurance policy indicating a description content obtained by integrating the description content of the first insurance policy and the description content of the second insurance policy). ) May be created.

  Step S310 ': The insurance company notifies the building owner of the evaluation result (second insurance value) of the renovation part and / or the evaluation result (third insurance value) of the building after the renovation. This notification mode is arbitrary. For example, notification may be made via the Internet, or notification may be made without going through the Internet. In addition to or instead of this notification, the insurance company may issue a second insurance policy and / or a third insurance policy to the owner of the building.

  Similar to the example described above with reference to FIG. 3A, in the example described above with reference to FIG. 3B, the insurance company performs the first based on the information regarding the building and the information regarding the renovation provided by the owner of the building. Although the case where the insurance value and the second insurance value are calculated has been described, the present invention is not limited to this. The insurance company calculates the first insurance value and the second insurance value using its own method of calculating the insurance value without using the building information and renovation information provided by the building owner. You may do it.

3. System Configuration FIG. 4A shows an example of the configuration of a system 400 for realizing objective evaluation of the value of a building after renovation.

  In the example shown in FIG. 4A, a system 400 includes a computer system 401 managed and operated by a building management company, a computer system 402 managed and operated by an insurance company, and a database 403 connected to the computer system 401 of the building management company. With. The database 403 stores, for example, information related to buildings and information related to building owners.

  The computer system 401 is configured to be able to execute the processes in steps S302, S306, S310, and S316 shown in FIG. 3A, for example. The computer system 401 can have any configuration as long as it can perform these steps. For example, the computer system 401 executes an interface unit that controls communication with the computer system 402, a processor unit that controls the operation of the entire computer system 401, a program required to execute processing, and the program. For example, a memory unit in which data necessary for the storage is stored, and an interface unit that controls access to the database 403 may be provided.

  The computer system 402 executes, for example, the processes in steps S303 to S305 and S311 to S315 shown in FIG. 3A, or the processes in steps S302 ′ to S304 ′ and S306 ′ to S310 ′ shown in FIG. 3B. Is configured to be possible. Computer system 402 may have any configuration as long as these steps can be performed. For example, the computer system 402 executes an interface unit that controls communication with the computer system 401, a processor unit that controls the operation of the entire computer system 402, a program required to execute the process, and the program. And a memory unit in which data required for the purpose is stored.

  In the system 400, since the database 403 is connected to the computer system 401 of the building management company, it is managed by the building management company. The database 403 only needs to be connected to the computer system 401 of the building management company, regardless of whether it is a wired connection or a wireless connection.

  FIG. 4B shows another example of the configuration of the system 410 for realizing objective evaluation of the value of the building after the renovation.

  In the example shown in FIG. 4B, the system 410 includes a computer system 401 ′ managed and operated by a building management company, a computer system 402 ′ managed and operated by an insurance company, a computer system 401 of the building management company, and the insurance company. And a database 403 ′ connected to the computer system 402. The database 403 'stores, for example, information related to buildings and information related to building owners.

  The computer system 401 ′ is configured to be able to execute the processes in steps S <b> 302, S <b> 306, S <b> 310 and S <b> 316 shown in FIG. 3A, for example. The computer system 401 'may have any configuration as long as it can perform these steps. For example, the computer system 401 ′ includes an interface unit that controls communication with the computer system 402 ′, a processor unit that controls the overall operation of the computer system 401 ′, a program required to execute processing, and a program thereof. May include a memory unit storing data or the like required for executing and an interface unit for controlling access to the database 403 ′.

  Further, the computer system 402 ′ executes, for example, the processes in steps S303 to S305 and S311 to S315 shown in FIG. 3A or the processes in steps S302 ′ to S304 ′ and S306 ′ to S310 ′ shown in FIG. 3B. It is configured to be possible. The computer system 402 'may have any configuration as long as it can perform these steps. For example, the computer system 402 ′ includes an interface unit that controls communication with the computer system 401 ′, a processor unit that controls the overall operation of the computer system 402 ′, a program required to execute the process, and a program thereof. May include a memory unit storing data or the like required for executing and an interface unit for controlling access to the database 403 ′.

  In the system 410, since the database 403 ′ is connected to both the computer system 401 ′ of the building management company and the computer system 402 ′ of the insurance company, the building management is shared with the building management company and the insurance company. Managed by company and insurance company. Accordingly, the database 403 ′ is configured to be accessible from both the building management company computer system 401 ′ and the insurance company computer system 402 ′. The database 403 ′ only needs to be connected to the computer system 401 ′ of the building management company and the computer system 402 ′ of the insurance company, regardless of whether it is a wired connection or a wireless connection.

  In the embodiment described with reference to FIGS. 3A, 3B, 4A, and 4B, a request from a building owner (that is, a building evaluation request, a renovation request, a renovation part evaluation request) is issued. Although an example in which evaluation or renovation is executed as an opportunity has been described, the present invention is not limited to this. It is also within the scope of the present invention for the evaluation or renovation to be executed in response to a request other than the request from the building owner. For example, when a building is damaged by fire, an insurance company providing fire insurance for the building pays the building owner's insurance money when the building is damaged by fire. Instead, a reform service may be provided. In this remodeling service, for example, an insurance company requests a renovation company to estimate the renovation of a building, the renovation company presents the renovation estimate to the insurance company, and the insurance company requests a renovation company of the building. It can be achieved by performing a renovation of the fire portion of the building in response to the renovation requesting company. The reform in this reform service may be a reform for the purpose of restoring the original state of the building or a reform for the purpose of disaster recovery. In addition, the insurance company can evaluate the renovation part so that the owner of the building can know the value of the renovation part evaluated objectively. It is possible to effectively promote participation in fire insurance for the renovation part.

  In the embodiment described with reference to FIGS. 3A, 4A, and 4B, the building management company requests the insurance company to evaluate the building. However, the present invention is not limited to this. The company that requests the insurance company to evaluate the building is arbitrary. The company that requests the insurance company to evaluate the building may be, for example, a construction company. More specifically, the company that requests the insurance company to evaluate the building may be, for example, a new housing sales company, a renovation company, an insurance agent, a real estate company, a construction company, an appraisal company, a design office, etc. .

  As mentioned above, although this invention has been illustrated using preferable embodiment of this invention, this invention should not be limited and limited to this embodiment. It is understood that the scope of the present invention should be construed only by the claims. It is understood that those skilled in the art can implement an equivalent range based on the description of the present invention and the common general technical knowledge from the description of specific preferred embodiments of the present invention.

  The present invention is useful for providing a method, a computer system, and the like for objectively evaluating the value of a building after renovation.

401, 401 'Building management company computer system 402, 402' Insurance company computer system 403, 403 'Database

Claims (5)

A method for notifying the value of a building, said method being executed by a computer system, said computer system being connected to a database and a computer system of an insurance company, said database relating to a plurality of buildings Information is stored,
The method
Receiving an evaluation request for the reformed part of the building from the requester ;
In response to an evaluation request for the reformed part of the building , notifying the client of the evaluation result ;
It includes,
In response to the request for evaluation of the reformed part of the building, notifying the requester of the evaluation result,
The information on the renovation of the building corresponding to the evaluation request of the reformed part of the building is acquired from the information on the plurality of buildings stored in the database, and the information on the renovation of the building is: Being part of the information about the building;
Sending an evaluation request for the reformed part of the building and information on the reform of the building to the computer system of the insurance company;
Receiving information from the insurance company's computer system indicating the value of the renovated portion of the building;
Sending information indicating the value of the renovated part of the building to the client's device;
Including
Value of renovation portion of the building is expressed as insurance value that is calculated by the insurance company, method. In response to the request for evaluation of the reformed part of the building, notifying the requester of the evaluation result,
Receiving information indicating the value of the building after the renovation from the computer system of the insurance company;
Sending information indicating the value of the building after the renovation to the requester's device;
Further including
The method of claim 1, wherein the value of the building after renovation is expressed as an insurance value calculated by the insurance company. The value of the building after renovation is V ₂ = F (V ₁ + ΔV) and V ₁ Indicates the value of the building before renovation and V ₂ The method of claim 2, wherein denotes the value of the building after renovation, ΔV denotes the value of the renovated part of the building, and F denotes a given arbitrary function. The insurance value is calculated based on one or more evidence of remodeling method of any of claims 1-3. A computer system for notifying the value of a building,
The computer system is connected to a database and a computer system of an insurance company, and the database stores information about a plurality of buildings,
The computer system includes:
Means for receiving an evaluation request for the reformed part of the building from the requester ;
Means for notifying the requester of the evaluation result in response to the evaluation request for the reformed portion of the building;
With
In response to the evaluation request for the reformed part of the building, means for notifying the requester of the evaluation result,
Among the information on the plurality of buildings stored in the database, it is means for obtaining information on the renovation of the building corresponding to the evaluation request for the reformed part of the building, and the information on the renovation of the building is Means that are part of the information about the building;
Means for transmitting an evaluation request for the reformed portion of the building and information relating to the reform of the building to the computer system of the insurance company;
Means for receiving information indicative of the value of the reformed portion of the building from the computer system of the insurance company;
Means for transmitting information indicating the value of the renovated part of the building to the client device;
Including
Value of renovation portion of the building is expressed as insurance value that is calculated by the insurance company, the computer system.

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