Standard Room Sizes: A Guide for Functional Living Spaces

A room in a house is a designed for general living or sleeping purposes. The size of a standard room in a house varies depending on the geographical location, cultural and architectural traditions, and the overall design of the house.

However, in general, standard room size in a house are typically around 120 to 200 square feet. These rooms are usually found in single-family homes, townhouses, and apartments, and can be located on the first floor, second floor, or basement level.

Standard rooms in a house typically include bedrooms, living rooms, dining rooms, and family rooms. There is some Standard Room Size in a house for the various elements of a residential building.

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Standard Room Size

The following are some standard sizes rooms size in India

1. Standard Room Sizes of Living Room, Drawing Room, Dining Room, Study Room

Bed Room
Bed Room

Following are the standard size of the room in feet,

Minimum room size Area: 9.5 Sq.m.

The standard living room (hall) size is 9 feet x 10 feet

The standard size of a drawing room is 10 x 10 feet

Minimum Size of Side :
i) For one Room minimum width should be 2.4 m.
ii) Where there are two rooms, one of these shall not be less than 9.5 sq. m. and the others not less than 7.5 sq. m. with a minimum width of 2.1m.

The height of the Room: The of all rooms for human habitation shall not be less than 2.75 m. measure from the surface of all floors.

Other Requirements: For Air, Conditioning-room height should not be less than 2.4 m.

The recommended Standard Room Size & Location for the living room of various sizes are as below:

standard room size in meters
standard room size in meters
LARGE 6.71 × 8.53(57.24) 22 × 28(616)
MEDIUM 4.88 × 6.01(29.33) 16 × 20(320)
SMALL 3.66 × 5.49(20 12 x 18(216)
VERY SMALL 3.05 × 3.66(11.16) 10 × 12(120)

Standard Size of Bedroom

The Standard Size of the Bedroom is as follows,

Room SizeDimensions (ft)Dimensions (mt.)
Minimum Size Bedroom9 ft x 9 ft2.74 m x 2.74 m
Medium Size Bedroom12 ft x 12 ft3.65 m x 3.65 m
Large Size Bedroom16 ft x 18 ft4.87 x 5.48 m

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2. Standard Room Size of Kitchen

Kitchen Design
Kitchen Design

The standard kitchen size is as follows,

Minimum Area: 5 Sq.m.

Minimum Size of Side: The width of the room is not less than 1.8 m. Where there is a separate store, the area of the kitchen may be reduced to 4.5 sq. m.

A kitchen that is intended to use as dining also shall have a floor area of not less than 7.5 sq. m. with a minimum width of 2.1m.

The height of the Room: The Kitchen height shall not be less than 2.75 sq. m.

Other Requirement

  1. Its floor should be impermeable.
  2. Unless separately provided in a pantry, means for washing kitchen utensils which shall lead directly or through the sink to a grated and trapped connection to the waste pipe.

The recommended Standard Room Sizing & Location for the kitchen of various sizes are as below,

LARGE3.65 x 6.09(22.23) 12 x 20(240)
MEDIUM3.05 x 4.87(14.85) 10 x 16(160)
SMALL3.05 X 2.44(6.10) 10 x 08(80)
VERY SMALL2.13 X 2.75(5.85) 07 x 09(63)

3. Standard Room Dimensions of Bath Room and Water Closet

Bath + WC Design
Bath + WC Design

Minimum Area: 1.8 Sq.m. (bathroom), 1.1 Sq.m. (W. C.)

Minimum Size of Side If the bath and water closet are combined, its floor area shall not be less than 2.8 Sq.m. with a minimum side width of 1.2m.

The height of the Room:   Shall not be less than 2 m.

Other Requirement:

  1. It should be located such that at least one of its walls opens to the external wall.
  2. It should not be directly over or under any other room than another latrine, washing place, bath, or terrace, in case of multi-storeyed buildings unless the floor is watertight.
  3. It should have a platform or seat of watertight, non-absorbent materials.
  4. It should be provided with an impervious floor sloping towards the drain with a suitable grade and not towards the verandah or any other room.

The recommended standard room size of common bathrooms of various sizes are,

LARGE 2.13 × 3.66(7.80) 7 x 12(84)
MEDIUM 1.83 × 3.05(5.60) 6 x 10(60)
SMALL 1.52 × 2.75(4.20) 5 x 9(45)
VERY SMALL 1.06 × 1.98(2.04) 3.5 x 6.5(22.75)
Standard Room Size

4. Standard Room Size for Store Room

Store Room
Store Room

Minimum Area:  The minimum area of the storeroom should not be less than 3 sq. m.

The height of the Room: The Storeroom should not be less than 2.2 m.

The recommended standard room size of the storeroom of various sizes are as below,

LARGE3.65 x 4.26(15.55) 12 x 14(168)
MEDIUM 2.44 x 3.05(7.42) 8 x 10(80)
SMALL 1.52X1.83 (2.80) 5 x 6(30)

5. Standard Room Size for Garage

Minimum Car Garage Size
Minimum Car Garage Size

Minimum Area:  The minimum area of the garage should not be less than 12.5  sq. m.

The height of the Room: The Garage should not be less than 2.4 m.

6. Standard Room Size In Feet for Staircase Room


Minimum Size of Side:  The minimum width of the stair is 1 m.

The height of the Stairs: The minimum clear headroom shall be 2.2 m.

Other Requirement:

  1. The minimum width of tread without nosing shall be 250 mm for residential buildings.
  2. The maximum height of rising shall be 190 mm for residential buildings.

7. Standard Plinth Height

The height of the plinth shall not be less than 450 mm from the surrounding ground level. A height of 600 mm is the best for drainage or other considerations.

Read More: Standard Ceiling Height | Ceiling Height | Average Ceiling Height

8. Standard Parapet Wall Size

Parapet walls and handrails provided on the edges of roof terraces, balconies, verandahs, etc. shall be not less than 1.05 m and not more than 1.20 m in height from the finished floor level.

9. Standard Boundary Wall Size

The requirements of the boundary wall are given below,

Compound Wall
Compound Wall

Except with the special permission of the authority, the maximum height of the compound wall shall be 1.5 m above the centerline of the front street.

Compound walls up to 2.4 m in height may be permitted if the top 0.9 m is of open-type construction of a design to be approved by the authority.

In the case of a corner plot, the height of the boundary wall shall be restricted to 0.75 m for a length of 10 m on the front and side of the intersection and the balanced height may be made up of open-type construction (through railings) and of design to be approved by the authority.

10. Standard size for dining room and table

Size of room8’x8’10’x8’10”12’x9’14’x9’16’x9’18’x10’
Types of Dining Tables2seater4Seater6seater8seater10seater10seater
Square shape table2’6”3’-5’4’- 6’6ft7ft8ft
Round shape TableMin 2’6”- 3’3’ – 4’5’ – 6’6’-7’7’-8’8’-9’
Rectangular / Oval shape table2’x2’6”4’x3’6’x3’8’x3’6”10’x4’12’x4’6”

11. Standard size for study room

Study Room
Study Room

According to a standard study, a room should not be less than 5 square meters and the breath of the room should not be less than 2 meters.

12. Standard size for pooja room

Puja Room
Puja Room

Puja room size completely depends upon the carpet area of the house if the carpet area of a room is more than 1500 square feet then you can build an enclosed medium size puja room but it should be at least 5×7 feet.

1. Area Limitation

The limitation of the area and height of the buildings of different types of construction and occupancy is achieved by satisfying the floor area ratio (FAR). FAR is  taking into account the following aspects,

  • Occupancy class
  • Type of construction
  • The width of the street fronting the building and the traffic load
  • The density & Locality where the building is proposed and.
  • Parking facilities
  • Fire Resistant Materials Used in Construction
  • Water supply and drainage facilities.

Floor Area Ratio(FAR) = (Total cover area of all floors/  Plot area)

The floor area ratio for residential buildings is ranging from 1.0 to 2.0 depending on the type ‘of construction. It restricts the height of the building and the number of stories provided.

For example, if a plot measures 15 m x 20 m and building bye-laws stipulate permissible FAR as 2.00, then the maximum built-up area which can be put on the plot is 600 m2.

If the area covered on the ground floor is 150 m2, the total number of floors that can be constructed is (600 / 150) = 4

Floor Space Index (FSI)
Floor Space Index (FSI)

Thus, with these bye-laws, the height of the building cannot be more than 4 stories. FAR is also used in classifying the type of construction on the basis of resistance offered by the building against the fire

A square footage calculator is a tool used to measure the area of a given space, such as a room or a piece of land, in square feet. It is commonly used in real estate, construction, and home renovation projects.

2. Height of the Building 

The height and number of stories for a building are related to FAR and the provisions of open spaces are already explained earlier. Where the building height is not covered by FAR, the maximum height should be limited to the width of the street as follows.                

(i) The maximum height of the building shall not exceed 2 times the width of the road abutting plus the front open space.

(ii) If a building abuts two or more streets of different widths, the building shall be deemed to face the street that has the greater width and the building height shall be regulated by the width of that street.

it may be continued to this height to a depth of 24 m along the narrower street subject to the conformity of open spaces.

(iii) In the vicinity of aerodromes, the maximum height is fixed in consultation with civil aviation authorities.

Appurtenances like a water tank on the roof, ventilating and air conditioning appliances, lift room, chimneys, and parapet walls not exceeding 1.2 m in height are not included in the height of the building.

You can find the right place meeting your size requirement with The Maloney Team.

Standard Door Size For Different Rooms

The following are the standard door size for various rooms in the house,

ComponentStandard Size (ft)Standard Size (m)
Exterior door3.0 x 7.00.9 x 2.1
Interior door2.8 x 6.80.8 x 2.1
Window3.0 x 5.00.9 x 1.5
Living room12.0 x 14.03.7 x 4.3
Bedroom10.0 x 12.03.0 x 3.7
Kitchen10.0 x 10.03.0 x 3.0
Bathroom5.0 x 8.01.5 x 2.4

Standard Room Size For Different Rooms

The following are room size for different rooms in the house,

RoomStandard Size (ft)Standard Size (m)
Living room12.0 x 14.03.7 x 4.3
Bedroom10.0 x 12.03.0 x 3.7
Kitchen10.0 x 10.03.0 x 3.0
Bathroom5.0 x 8.01.5 x 2.4
Dining room10.0 x 12.03.0 x 3.7
Home office10.0 x 10.03.0 x 3.0
Laundry room6.0 x 8.01.8 x 2.4
Mudroom6.0 x 6.01.8 x 1.8
Foyer6.0 x 8.01.8 x 2.4
Hallway4.0 x 8.01.2 x 2.4

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