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２．About certification standards
Last updated February 7, 2024
[Notice] <Scale Criteria> About change of handling of floor area of stairs
About standard that "floor area (except area of stairs part) of at least one floor of dwelling unit shall be 40 square meters or more."
Until now, in Yokohama City, if the lower part of the stairs can be used as a living space, such as a toilet, storage, or a space where you can freely move.
Either of the following 12 areas can be excluded from the area of the stairs.
①30% of the staircase area
②Partitions with ceiling height exceeding 1.4m
However, from July 1, 2022, if the lower part of the stairs can be used as a living space, such as a toilet, storage, or a space where you can freely move, regardless of 12, the area can be excluded from the area of the stairs part.
About certification criteria
Long-term use structures, etc., will be confirmed by registered housing performance evaluation organizations, etc., and the performance as long-term excellent housing.
Please refer to the laws and regulations for details of the certification criteria.
Page (outside site) of Ministry of Land, Infrastructure, Transport and Tourism long-term excellent housing law-related information
※Other standards, such as dwelling unit area standards, are not subject to examination by registered housing performance evaluation organizations.
Please note that the screening will be conducted in Yokohama City.
| Performance items | Certification Criteria | |
|---|---|---|
Long | Deterioration measures | Being able to use the structural frame of a house for several generations. |
| Seismic resistance | For extremely rare earthquakes, reduce the level of damage in order to facilitate renovation for continuous use. | |
| Ease of maintenance and renewal | Necessary measures have been taken to easily perform maintenance (cleaning, inspection, repair, renewal) for interiors and equipment with a shorter useful life than the structural frame. | |
| Variability | Measures have been taken to change the floor plan in response to changes in the lifestyle of the resident. | |
| Barrier-free properties | Necessary spaces must be secured in common corridors, etc., so that future barrier-free renovations. | |
| Energy saving | Energy saving performance such as necessary heat insulation performance. | |
So | Living Environment | Consideration should be given to the maintenance and improvement of the living environment in the formation of a good landscape and other areas. (* Please refer to the following for living environment standards.) |
Have the necessary scale to ensure a good living standard. | ||
| conservation Plan | Plans for periodic inspections and repairs have been formulated with a view to the future from the time of construction. | |
| Disaster Consideration | The location of the application building must be outside the landslide disaster special caution area (red zone). |
About living environment standard
※Caution (Depending on the conformity status and area, it may not be possible to certify. Please be sure to check it!!!
If the construction site meets the following living environment standards, it is necessary to conform to each content.
In addition, please confirm summary by all means for the details of living environment standard.
Please refer to town development map information "i-Mappie" (outside site) about living environment standard standard of construction plan place.
At the time of application, please attach the living environment standard confirmation report (outside site) and i-mappy printed.
How to print i-mappy printing method (PDF: 2,459KB)
| Living Environment Standards | Contact information |
|---|---|
| District planning | To page of city planning (Urban Development Bureau Community Development Division) |
| Landscape planning and urban landscape consultation district | (Urban Development Bureau Landscape Coordination Section) |
| Building Agreement | To the page of Building Agreement (Urban Development Bureau Community Development Division) |
| Landscape agreement | (Currently, there are no areas that fall under the landscape agreement.) |
| Local town development rules | To the page of local community development rules (Urban Development Bureau Community Development Division) |
| Town planning consultation district | (Urban Development Bureau area town development section) |
| City planning facilities | Urban planning facilities, land readjustment projects, etc. ※Caution |
(Caution)
※In the following cases, we may not be able to certify, so if you have any questions, please contact us in advance.
- Areas of city planning facilities (roads, parks, rivers, etc.) for which city planning has been decided
- Enforcement area of urban development project, land readjustment project enforcement area
- [Reference]
- The following districts include areas that cannot be certified.
- Land Readjustment Project in the northern part of Futatsu Bridge (Seya Ward) (Page of Urban Development Bureau Urban Area Maintenance Promotion Section)
- Other urban development status
The following districts are not allowed to be certified.
- Land Readjustment Project in the southern part of Shin-Yokohama Station (Kohoku Ward)(Page of Urban Development Bureau City Center Revitalization Division)
Disaster consideration standards
About disaster consideration standard of Yokohama-shi, we exclude "earth and sand disaster special caution area" from authorization target as area where danger of disaster is particularly high.
Due to the addition of standards, the following books must be submitted at the time of application.
・Disaster Consideration Standard Confirmation Report (PDF: 89KB)
・Figure showing that it is outside the special alert area for earth and sand disaster ... From Kanagawa earth and sand disaster information portal site (outside site)
Plot the application position on the one that shows the landslide disaster special warning area map.
Those that can be identified outside the special alert area for landslide disasters
For inquiries to this page
Building Environment Section, Building Planning Division, Housing and Architecture Bureau
Location: 10 25th floor, 6-50 Honcho, Naka-ku, Yokohama
Phone number: 045-671-4526 (08:45~12:00, 13:00~17:15)
※Please refer to the contents of frequently asked questions in the Q & A.
FAX number: 045-550-3513
Email address: kc-chouki@city.yokohama.jp
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Page ID: 371-514-244
