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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