Standard Sizes of Doors & Windows for Residential Buildings in Indian Conditions

Sharing the information Team BricksnMortar provided to one of our followers (Abha Dewan) on twitter based on query received from her via our twitter handle #bricksnmortar

Query :
What are the various standard sizes of doors and windows that one can choose from in Indian conditions?

Team BricksnMortar's reply :
Dear Abha, foremost there is hardly anything in this world today which can't be adopted as a desirable size in terms of doors and windows. Architectural features and sizing requirements have been changing from time to time. Just think, how big sized doors and windows the historic forts and palaces used to have? They used to be huge!

Coming back to the point, we presume you are asking about the conventional standards for door and window design in terms of sizing them for homes, isn't it?

As for Indian conditions, the best reference would be the government publications and design manuals that provide guidance for sizing them as well. We are sharing herewith the guidelines inferred from the Government of India incorporated Central Public Works Department's (CPWD) manual, titled: 'Manual for Doors and Windows details for Residential Buildings', which mentions:

RECOMMENDED OPENING SIZES – 'WINDOWS'

Type Location Sill Height
(in mm)
Masonry Opening Size
(in mm)
W1 Habitable Room 750 1800 x 1350
W2 Habitable Room 900 1800 x 1200
W3 Habitable Room 750 1500 x 1350
W4 Habitable Room 900 1500 x 1200
W5 Habitable Room 750 1200 x 1350
W6 Habitable Room 900 1200 x 1200
W7 Habitable Room 750 900 x 1350
W8 Habitable Room 900 900 x 1200
W9 Habitable Room 750 600 x 1350
W10 Habitable Room 900 600 x 1200
W11 Habitable Room 750 450 x 1350
W12 Habitable Room 900 450 x 1200
W13 Kitchen 1050 900 x 1050
W14 Toilet 1050 600 x 1050
W15 Toilet 1050 450 x 1050

Typical sectional elevation of a wooden window


RECOMMENDED OPENING SIZES – 'DOORS'

Type Location Shutter Size
(in mm)
Masonry Opening Size
(in mm)
D1 Entrance 1100 x 2045 1200 x 2100
D2 Entrance 1000 x 2045 1100 x 2100
D3 Internal (for rooms) 900 x 2045 1000 x 2100
D4 Internal (for rooms) 800 x 2045 900 x 2100
D5 Kitchen & Store 800 x 2045 900 x 2100
D6 Toilet / Bath 800 x 2045 900 x 2100
D7 Toilet / Bath 650 x 2045 750 x 2100
Note: Wooden door frames considered for door sizing in this illustration
Typical sectional elevation of a wooden door

Hope, this provides you the sought information. Should you need to go through the entire manual of CPWD for door & window design for residential buildings, do let us know. We shall mail you the soft copy of the same at your provided email ID.


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