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Bathroom Size: How to Choose The Best Option?

Although the bathroom is not the living room of the apartment, its size still plays an important role in ease of use. There are not only personal conveniences for using this space but also the norms of the SNiP that the bathroom must comply with. Each bathroom has a certain size, is fixed according to special rules, and ergonomics affects the use of this room. Because each bathroom should have all the necessary equipment and furniture.

Features and Regulations

Before planning your bathroom, you should consider how you will lay out your communications and plumbing fixtures.

The main parameters of a bathroom in a house, office, or apartment:

  • If the toilet is located in the attic, regardless of the area, it is necessary to maintain a distance from the sloping surface of the roof to the toilet bowl (at least 1, 05 m).
  • The toilet exit should not be in the living or kitchen area, but only in the hallway or hallway.
  • The door should only open outwards.
  • The ceiling height in the room located in front of the toilet doorway must be at least 2.1 m.

Standard dimensions for the bathroom:

  • The width must be at least 0.8 m.
  • length – more than 1.2 m;
  • A height of at least 2.4 m is required.

bathroom dimensions

There are toilet types available for people with disabilities.

Criteria for disabled toilets:

  • The width should be at least 1.6 m.
  • length – more than 2 m;
  • When combined, the bathroom should have a special railing for the bath.
  • The door must open outwards.

Bathroom Dimensions

There are rules for small toilets. The problem of lack of space in the toilet bothers many residents of Soviet-style houses, given the minimum amount of space in the toilet. But now there are many ways to solve this problem.

Small ToiletsSmall bathroom design

It is recommended to insert all correspondences with special niches in the walls of the bathroom. You can install shelves of various accessories.

All plumbing should choose the most compact. It is easy, for example, that many modern toilets are partially embedded in the wall.

The shell should be chosen small and in the shape of a droplet. Instead of a bath, you can install a shower cabin. The shower cabin takes up much less space. The space under the drop-shaped sink should be used to the maximum, and in the empty space you can place a shelf, laundry basket or washing machine. Do not forget about the visual expansion of the space. To do this, you need to equip the bathroom, mirror, glossy and bright tiles, as well as good lighting.

Small bathroom design Small bathroom idea

Standard parameters for Bathroom

Bathrooms can be of different types: the bathroom and toilet are in the same room or are separate.


A typical bathroom measures at least 150 x 80 cm for a house with an existing layout, and at least 100 x 150 cm for a panel house with an improved layout. Separate bathroom dimensions should be 165 x 120 cm.

Bathroom Design Parameters Bathroom Parameters Bathroom Parameters design

Bathroom with Bathtub

Bathrooms with bathtubs and toilets are also over a certain size. The dimensions of this type of toilet should be 200 x 170 cm. In an area like this, it is impossible to have a kind of bath, but in this case, the installation of a shower cabin is optimal.

Basically, the minimum size is given by “Khrushchev”, in the house of the new layout, this room is more than 5 m2. m. In terms of ergonomics and convenience, the optimal option will be a combined bathroom of 8 square meters. more than m. Under these conditions, you have complete freedom in layout and planning.

Bathroom with tub dimensions Bathroom with tub

Distance between pipes in the Bathroom

In addition, there are certain criteria for the arrangement of a plumber’s toilet, and all necessary distances must be maintained.

SNiP Provides The Following Rules For The Location:

  • A minimum distance of at least 70 cm from other sanitary products in front of each sink is required.
  • From 60 cm before each toilet clearance.
  • On both sides of the toilet bowl – 25 cm.
  • Before showering or bathing, there must be at least 70 cm of free space.
  • The bidet should be located at least 25 cm from the toilet bowl.

How to Determine The Optimal Size of The Bathroom?

The optimal size for each bathroom may be different, but the main thing is to find a middle ground. Spending a huge amount of square meters on a bathroom is also not a good decision, as a small space for a large collection of plumbing, appliances and various household appliances will not be ergonomic. To find the middle ground you need, absolutely all factors and features must be considered.

The shower requires about 2-2.5 square meters of space. m, for a bath – 2.5 -3.5 sq.m. meter, you need about 1 meter. The toilet is 1.2-1.8 square meters. For an average family of 4-5 people, the optimal size for a bathroom is about 8 “square”.

If there is a need to use the guest bathroom, the frequency, number of visitors, and the possibility of using the toilet for persons with disabilities are taken into account.

Here Are Some Things to Consider:

  • There are models of toilet bowls with an average size of 40 x 65 cm.
  • The average size of the bath is 80×160 cm, each bath is usually 150×150 cm, the average height of the bath is about 50 cm, and the height of the bath with legs is 64 cm.
  • Shower cabins are completely different, but the main dimensions are 80 x 80 cm, 90 x 90 cm, 100 x 100 cm.
  • Heated towel rails should be 70-80 cm away from the bath.
  • The optimal size for a bidet is 40 x 60 cm.
  • The optimal size of the washbasin is about 50-60 cm.

optimal size of the Bathroom

optimal size of the Bathroom

It is also necessary to take into account all the features of the optimal size of a bathroom for disabled people. Dimensions are based on wheelchair dimensions. The minimum size of the bathroom must be at least 230 square meters. cm, about 150 square meters of the toilet. cm, so the width of the toilet should be 1.65 square meters. m, length – 1.8 square meters. m

Therefore, the maximum size of the toilet can be chosen for a legal redevelopment – toilets of 7, ​​8, 9 square meters.

Planning your own bathroom is very important. Because you will have to adjust everything for your own convenience. Redevelopment should only be done with the help of specialists. Otherwise, changing the layout with your own hands can disrupt additional problems with the structure and walls of the house. The choice of wall collapse is not excluded, so such redevelopment is illegal and unsafe.

Plumbing and communications can be disrupted early in planning, so all factors should be considered in advance. Next, you need to consider both finishing and placement options. Then you need to choose a suitable option from the available options.

Minimum Room Size of 2.5m

Depending on the specific use of the room, you need to choose the necessary combination or choose separate rooms. The bathroom wall takes up space, so it’s a good idea to share a bathroom and toilet. Here you need to build with dense plumbing, corner baths or showers, partially wall toilets.

The washing machine should be placed near the entrance or under the sink. The bathroom should not be stacked with unnecessary fixtures. In such a room it is better to have a medium-sized mirror. So the room looked bigger.

The Bathroom Size is 4 Square. m

Such a room is already considered spacious, so all plumbing and washing machines can be placed on the wall at will. In such rooms, it is desirable to install a hood, since vapors can collect in such rooms.

The bath should be placed in a far corner and shielded with a splash shield. It adds a bit of privacy. In the next corner, you need to place small lockers for household items. Washing machines can be placed near the entrance and cabinets.

The bathroom size is 4 square. m

The Bathroom Size is 7 Square. m

Such a bathroom is very spacious, allowing you to create all the conditions for relaxation and living. Here you can install both a bath and a shower. In the first case, you need to decorate the font with a translucent screen so that several families can use the bathroom at the same time.

In such a bathroom you can install two sinks and one bidet. A washing machine is better placed in a niche, and you can place a washer dryer next to it. All free space is used for various useful lockers.

The Bathroom size is 7 square. m

The bathroom is a very important space in each apartment, house, or public space. Since this room can vary in size, you need to choose the right finish and use all squares to the maximum. If necessary, a small bathroom can be redeveloped, but this should be done under the supervision of professionals. Also, do not forget that when decorating the bathroom, you must comply with all the standards of building regulations.

It is very important to choose a bathroom according to taste, so you can use it with sufficient profit and the possibility of good relaxation. Using the recommendations above, you can do it very easily.

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