The Constructor


Civil Engineering

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Plinth Area

The minimum area of buildings of different classes shall be governed by the following:

  1. In an industrial plot, the plinth area should not exceed 60% of the site area.
  2. In a market area, the plinth area should not exceed 75% of the area of site, provided sufficient off-street parking facilities for loading and unloading of vehicles are provided on the same plot as the building.
  3. In residential plots, the covered areas should be as given in the table 1.

Table 1

S. No

Area of plot

Maximum permissible covered area


Less than 200 sq.m

66.66 % of the plot area on the ground and first floor and nothing on the second floor, except a barsati (garret) not exceeding 25% of the ground floor.


201 to 500 sq.m

50% of the plot area or 133 sq.m whichever is more.


501 to 1000 sq.m

40% of the plot area or 250 sq.m whichever is more.


More than 1000 sq.m

33.33 % of the plot area or 400 sq.m whichever is more.

Plinth Regulation

a) Main Building: No plinth or any part of a building or outhouse should be less than 30cm above the determined level of

i. the central part of the abutting street,

ii. the footpath of the abutting street,

iii. the height part of a service lane which determines the drainage of the premises,

iv. any portion of the ground within 3m distance of such a building, and

v. undulating or sloping land 1.2 m above the drainage or country water level.

in cases where adequate drainage of the premises is not assured, the plinth should be of a height approved by the authority.

b) Interior courtyards: Every courtyard should be raised atleast 15cm above the level of centre of the nearest street and should be satisfactorily drained. Common courtyards should have independent access.

c) Plinth of garages, stables and warehouses: the plinths of such constructions should not be less than 15cm above the level determined in portion (a) above for main building.

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