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Target building
Last update date April 1, 2021
Subject to regulatory measures
| Subjects, etc. | Target applications | Targets | Criteria |
|---|---|---|---|
| Obligation of conformity (judgment of conformity) [Article 11/12] | Non-Housing | Specific building act (excluding specified extension / remodeling) | Primary Energy Consumption Standards |
| Notification obligation [Article 19, etc.] | Housing and Non-Housing | Floor area that is not subject to compliance obligations ※New construction, extension and renovation of 300 m2 | External skin (only for residential use) and primary energy consumption standard |
| Obligation of Explanation [Article 27] | Housing and Non-Housing | Floor area that does not fall under the scope of compliance obligations and notification obligations ※New construction, extension and renovation of 10 m2 | External skin (only for residential use) and primary energy consumption standard |
| ※Floor area excluding areas with high openness | |||
Regulatory measures for extension and renovation
The following table shows the regulatory measures applied when building an extension or renovation.
| Floor area for extension and renovation of non-residential areas and floor area of non-residential areas after extension and renovation | Floor area for extension and renovation | Extension and renovation of buildings newly built after April 2017 | Extension and renovation of existing buildings as of April 2017 | |
|---|---|---|---|---|
| More than half of the total area after extension and renovation (excluding specified extension or renovation) | Extension and renovation area is less than 1/2 of the total area after extension and renovation (specified extension and renovation) | |||
| Other than those listed below | Other than those listed below | No procedure | ||
The floor area of existing buildings is less than 300 m2 And The scale of extension and renovation is more than 10 m2 and less than 300 m2 | Obligation of Explanation (Article 27 of the Main Rules) | |||
| 300 m2 or more | Notification obligation (Article 19 of the Main Rules) | |||
| Both are 300 m2 or more | ― | Compliance obligations (Article 12 of the Main Rules) | Compliance obligations (Article 12 of the Main Rules) | Obligation to report (Article 3 of the Supplementary Provisions) |
| Floor area for extension and renovation of non-residential areas | Floor area for extension and renovation | Extension and renovation of buildings newly built after April 2017 | Extension and renovation of existing buildings as of April 2017 | |
|---|---|---|---|---|
| More than half of the total area after extension and renovation (excluding specified extension or renovation) | Extension and renovation area is less than 1/2 of the total area after extension and renovation (specified extension and renovation) | |||
| Less than 300 m2 | Less than 300 m2 | No procedure | ||
| 300 m2 or more | Notification obligation (Article 19 of the Main Rules) | |||
| 300 m2 or more | ― | Compliance obligations (Article 12 of the Main Rules) | Compliance obligations (Article 12 of the Main Rules) | Obligation to report (Article 3 of the Supplementary Provisions) |
Buildings that are exempt from regulatory measures
1-1. Applications that do not require air-conditioning equipment because they do not have rooms
１） Items that store or install goods (including machinery, etc.) and do not need to adjust the temperature and humidity of the internal space due to the nature of the goods stored or installed.
Example) Car garages, bicycle parking lots, compost yards, warehouses or storage sites for dangerous materials, substations, pump facilities related to water and sewage, governor stations or valve stations related to gas business, road maintenance Ventilation facilities, power receiving facilities, pump facilities, etc.
２） For breeding and housekeeping animals, there is no need to adjust the temperature and humidity of the internal space due to the nature of the animal being bred or housed.
Example) Barns, marine products farms or breeding grounds at room temperature
３） For movement of people, etc.
Example) Public walkway
1-2. Applications that do not require air-conditioning equipment due to high openness
A building consisting of only spaces with high openness among viewing areas, skating rinks, swimming pools, sports practice areas, shrines, temples, and temples
２．Buildings such as cultural properties
Buildings designated as national treasures, important cultural properties, important tangible folk cultural properties, special historical sites scenic natural monuments or historic sites scenic natural monuments under the provisions of the Cultural Property Protection Law, or designated as provisionally designated by the provisions of the Cultural Property Protection Law
３．Temporary buildings that are specified by a Cabinet Order
Buildings that have received permission under Article 85, Paragraph 5 of the Building Standards Act
For inquiries to this page
Building Planning Division, Housing and Architecture Bureau Building Guidance Department
Phone: 045-671-4526
Phone: 045-671-4526
Fax: 045-550-3513
Email address: kc-casbee@city.yokohama.jp
Page ID: 925-287-609
