Some of Building Regulations in Sri Lanka

Local Authorities, Municipal Councils.
Urban Development Authority
Condominium Management Authority (for high rise Buildings)
Central Environment Authority
Board of Investment in Sri Lanka (for factories, hotels, spa, international schools)
Geological Mines & Survey Bureau.
Irrigation Department
Department of Wildlife Conservation
Department of Forestry
Department of Archaeology
Coast conservation Department
Ministry of Education (For government schools)
Ministry of Defence
Airport &Aviation Services
Ceylon Electricity Board/Lanka Electric Company
National Water Supply &Drainage Board
Parliament of Sri Lanka
Fire Brigade

The over hangs, canopies, wings or other sun-shading devices of a building shall be permitted to project up to 1.0m beyond the building line, provided that the roofing materials used are of the non-combustible type.

For the proper ventilation there should be 3m (10ft) space should be provided for rear side of the building. (should be 2.25m for 2 storey building)

Every new house, shop building or other building shall have a minimum width of 6.0m measured between the centers of external walls.

Ground Floor Area should be minimum 2/3 from construction area (land area) for residential buildings.
Ground Floor area should be minimum 4/5 from construction area (land area) for commercial buildings
Total floor area (sum of all floor area) should be minimum 3000 sq. ft for residential buildings.
Floor area for room should be greater 90sqft except pantry, Kitchen, Storerooms, bathrooms, Garage, open veranda.
Floor area for Kitchen should be greater 60sq.ft.
Should be minimum one bed room with 120 sq.ft floor area in residential buildings.
Should be minimum 1.5 Sq.m for bathrooms

General Height of the building should be 10 ft, but minimum height should be 7 ft from ground level.
For bathrooms, balconies, terraces and garages not less than 2.2 m.
For living rooms and bedrooms not less than 2.8 m
For kitchens not less than 2.8 m

Open window area should be 1/7 from floor area in rooms.(the window sashes open to be outside from building).
Open window area can be minimize 1/15 from floor area, if the room have doors to be open outside the building).
Open window area should be 1/10 from floor area in toilets & Garages.
The Ventilation space should be 7 1/2ft for openbely windows & doors for outside from the building.

No well-used for the supply of drinking water shall be located less than 15.0m from a septic tank.
In areas where there no pipe borne water supply systems are installed, the minimum lot size should be 20 perches in extent.
The bottom level of soakage pit, or septic tank should not be lower than the water table of such area.

8’X 16’ size area Should be minimum parking space for greater than 2000 sq.ft building.

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