Standard Bathroom Dimensions That Ensure Efficiency

All bathrooms, whether big or small, need to adhere to specific dimensions so that they work efficiently and are convenient to use. Good planning is essential at the construction phase to avoid mistakes that may become difficult to rectify or may add unnecessary costs. Factors like the installation of concealed plumbing and electrical wiring, the position of the sanitaryware, sanitary fixtures and bathroom accessories play a key role in creating an efficient and maintenance-free bathroom design.

For a comfortable and an efficiently designed space, keep these standard bathroom dimensions in mind.

1. Area of the bathroom
Bathrooms can be classified according to their square-foot area:
 

  • A standard guest bathroom (powder room) comprises a sink and a commode. It is approximately 20 square feet.
  • A medium-sized bathroom incorporates a sink, a commode and a shower area. Its area is around 35-40 square feet.
  • A full-sized bathroom can accommodate a sink, a commode and a bathtub, as well as a shower area. It has a covered area of more than 50 square feet.

 

2. Commode or WC (water closet)
Firstly, one needs to choose between a wall-mounted or a floor-mounted commode for the bathroom.
 

  • When deciding the position of the commode, demarcate a clear width of 3 feet 4 inches on the wall for placing the commode. In case you have a compact bathroom, then you have to demarcate a width of at least 30 inches on the wall for placing the commode.
  • The minimum clearance (free space) in front of the commode for comfortable use should be at least 30 inches.

Tip: Note that a wall-mounted commode has the flexibility to get installed at any height that is suitable and comfortable for the homeowner.

3. Standard dimensions for the shower enclosure
One can install a readymade shower enclosure in the bathroom or fabricate a shower area with toughened glass.
 

  • The minimum measurement for a square-shaped shower enclosure is 3x3 feet, and for a rectangular shower enclosure is 3x4 feet.
  • Install the overhead showerhead at a height 6 feet 6 inches from the floor level.
  • Fix the faucets and the hot and cold water mixer at a height of 4 feet from floor level, so that it can be easily accessed while standing.


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4.Standard tuben closure dimensions
Bathtubs come in many models, shapes and sizes. Choose the model that is best suited for your bathroom.
 

  • The plumbing fixtures should be installed at a height of 33 inches from floor level so that they can be accessed from the bathtub itself.

Tip: Before buying a bathtub always physically sit inside it to check whether it is comfortable or not. Keep in mind that once fixed, the bathtub cannot be replaced easily.

 

dSPACE Studio Ltd, AIA

5. Bathroom door
For entering the bathroom , the minimum width of the door opening should be between 30 and 33 inches. In case there is a space constraint then you may opt for a door opening that is 28 inches wide.

A bathroom door should ideally swing open into the bathroom and never hit the vanity or the commode while opening.

 

Align Design LLC

6. Bathroom accessories
It is recommended to mark the position for the planned accessories and cross-check before drilling permanent holes into the tiles to fix them.
 

  • The towel-bar near the washbasin should be 4 feet from ground level. If it is a kids’ bathroom, then the proposed height may be lower.
  • Install a soap dispenser at a height of 40 to 48 inches. Never place the soap dish near the shower, to prevent water from collecting inside the soap dish.
  • Install toilet paper holders at a height of 26 inches from the floor. It should be fixed 8 to 12 inches from the commode so that the hand can easily reach it.
  • Fix the robe hooks for towels and clothes at a height of 5 feet 6 inches from the floor level .
  • Place towel racks for keeping dry towels at a height of 6 feet from floor level. Ensure that it is away from the overhead shower so that water does not splash onto the towels.


 

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