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- Restrictions on buildings in urbanization control areas (Building Standards Law Article 52, Paragraph 1, Item 8, etc.)
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Restrictions on buildings in urbanization control areas (Building Standards Law Article 52, Paragraph 1, Item 8, etc.)
Last update date July 5, 2023
When we build building in area where there is no designation of restricted zone in urbanization adjustment area, there is limit about form of building based on Building Standard Act. (From April 1, 2004) (Revised: January 1, 2011 and September 7, 2020)
| General area | Roadside area(*1) | |
|---|---|---|
| Percentage rate | 50％ | 60％ |
| Floor area ratio | 80％（※２） | 200％ |
| Road diagonal lines | 1.25/１ | 1.25/１ |
| Neighboring diagonal line | 20m+1.25/１ | 20m+1.25/１ |
| Shading regulations | 1.5m、3h、2h | 4m、4h、2.5h |
| Depending on road width Reduction factor of floor area ratio | 0.4 | 0.4 |
- ※1 Area within 50m along the main street with a width of 18m or more specified in Article 7, item 1 of the City Planning Act Enforcement Regulations. (A motorways do not fall under the main street.) (Same as below)
When we start construction work after January 1, 2011, target main street is separate from main street of 18m or more as specified in Article 7, Item 1 of the City Planning Act Enforcement Regulations, excluding corner cuts. It is limited to sections listed in the figure or sections where construction related to the new road concerned has been started on or after April 5, 2010.
Click here for a separate diagram (PDF: 708KB)
Click here for the old and new comparison table (PDF: 106KB)
(About the separate figure (1 / 25,000) can be viewed at the counter of the Building Planning Division. - ※2 If the building confirmation of the building existing as of April 1, 2004 exceeds 80%, it shall be up to the previous floor area ratio within a range not exceeding 100%.
- For scenic areas, the standard of "general area" are applied. (Same as below)
- Here are some frequently asked questions. Please refer to this page. （PDF：507KB）
≪Contact information≫
○Form restrictions under the Building Standards Law: Building Planning Division Telephone 045-671-2933 / Building Guidance Division Telephone 045-671-4531
○About width of main street, position confirmation of city planning decision line: City Planning Division Telephone: 045-671-3510
[Reference Permission criteria for building height based on the City Planning Act]
Development activities and building activities in the urbanization control area are regulated by the City Planning Act. As a general rule, permission of the mayor is necessary to perform development activity and building act. Please note that in addition to the restrictions on the table, the restrictions may differ depending on the area designation, permission conditions, etc. Specifically, please see page of residential land examination department (adjustment area section).
| General area | Roadside area | |
|---|---|---|
| (Height limit) | (Type 1 altitude district Mutatis mutandis) | (Type 4 altitude districts) Mutatis mutandis) |
| Maximum height | 10m | 20m |
| Northern diagonal line | 5m+0.6/1 | 7.5m+0.6/1 |
≪Contact information≫
○Permission criteria according to the City Planning Act: Coordination area charge telephone talk 671-4521, 671-4522
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For inquiries to this page
Building Planning Division, Housing and Architecture Bureau Building Guidance Department
Phone: 045-671-2933
Phone: 045-671-2933
Fax: 045-550-3568
Email address: kc-kjkikaku@city.yokohama.jp
Page ID: 683-951-855
