Bathroom Under Stairs

Ideas and features of bathroom under STAIR IDEAS.

Above all, in small houses, bathrooms under stairs are an alternative to make the most of each space. Having the stairwell with a half bath downstairs may be optional, or may be a necessity, due to space limitations in the home.

Modern stairs with BATHROOM DESIGNS downstairs, with sink and toilet, with a social or utility function, on the ground floor of the apartment. 

Next we will see design options for stairs with a bathroom below and their plans. The minimum measures to be taken into account are specified.

Stairs with Bathroom Downstairs

Bathroom Under Staircase

The following image shows a straight tiered layout with a half bath below. What is most striking is the range of colors used, with whites, soft purples and wood. 

Classic style environments, reflected by the sink, the railings and some furniture.

tiny Bathroom Under Staircase

The following design is U-shaped with a bathroom below. In the modern interior, the contrast between black and white colors stands out, with the wood of the floor and railings. This ladder is very “safe”, covering the half bathroom.

Design of Stairs with Bathroom Downstairs

Bathroom Ideas Under Stairs

Concrete Stairs Design with Bathroom Below

Another classic style interior, in this case with the stands in 3 sections. The small sanitary space is left with sufficient height.

Concrete Stairs with Bathroom Below

bathroom under stairs ideas

Types of Stairs with Bathroom Below

The designs of stairs with a bathroom below usually have 2 fundamental variants:

  • straight stairs.
Bathroom plans under the stairs
Bathroom plans under the stairs .
toilet under staircase vastu
Toilet under staircase design.
  • Stairs with 2 sections (stairs in “L” and Stairs in “U”).
l-shaped staircase with bathroom below
House Plan with 2 FLOORS AND 3 BEDROOMS with L-shaped steps

6.5 × 10 meters House Plan with Toilet under Stairs

house plan with bathroom and stairs below
Low level
Top floor

Later we will see it in more detail.

With Wood and Bathroom Below

In the following image, the 2-flight stair is wide, allowing even a shower below. In STAIRS WITH GENEROUS DIMENSIONS you can build a complete sanitary room, with BATH TUB or shower.

Stairs with Bathroom Downstairs

Whether they are WOODEN stairs, concrete or metal, the most important thing is the space limited by the height of the stair branch and the width of it. That is the space that defines the possibility of the (half) bathroom downstairs…

Images of Stairs with Bathroom Below

Stairs with Bathroom Downstairs

Actually, with the variety of assortments of bathroom furniture that are offered in the market, it is very likely that in most houses, it is possible to have a half bathroom underneath. Carrying out a good planning will allow it.

Small Under Stairs Toilet Ideas

The toilet under the stairs, does not require too much functional height. A slimline design sink is attached to the low-tank toilet. Shelves are included on the side wall, for added convenience.

Images of Stairs with Bathroom Below
Photo by Taiyo Jutaku

Tiny Bathroom under Stairs with Shower

Continuing, you can see the corner sink, the toilet and the shower space.

Stairs With Full Bath Downstairs

Bathroom under Stairs with Shower

Another example of a full bathroom under the stairs.

Full bathroom under the stairs

The staircase is located on a wall that faces the outside, so a small window can be placed to improve lighting and ventilation, in such a small space. On many occasions, it will be necessary to install a mechanical exhaust fan.

 Half Bath Downstairs Ideas

The cabinet under the sink is lined with ceramic tiles. A mirror with a light and the toilet located in front make up the decoration.

 Half Bath Downstairs Ideas

Minimum spaces where to correctly place the sanitary furniture.

tiny Bath Downstairs Ideas

In the following image, you can see the sanitary space with a double-leaf door, giving the impression of greater space.

Bathrooms Under  Stairs  Feng Shui

1/2 bath under stairs

1/2 Bath Under Stairs

Stairs with Bathroom Downstairs Measurements
Plan view .

Sometimes, placing a toilet under the stairs can be a necessity, which must be adapted according to the layout of the rooms around it, as well as the height of the finished floor level of the second level.

The following image shows a cutaway view. It can be seen how there are barely 1.88 meters under the slab inside the toilet. 

It is a space that can be used, but it does not have the ideal BATHROOM DIMENSIONS in terms of its depth or height under the ceiling. However, it is wide of the small toilet, it is adequate for its function.

Stairs with Bathroom Downstairs Measurements
Architectural cut .

This will depend on the height of the upper floor and the length of the sections of the stands.

1/2 bath under stairs

In many cases it will be necessary to adopt a door design that adapts to the height of the ceiling. This can be an opportunity to achieve a better design and more interesting decoration.

Minimum Measurements of a Bathroom without Shower

Bathroom Under Stairs Floor Plan

Bathroom Under Stairs Floor Plan
The slope of the stairs is usually in the region of 33 to 35 degrees of inclination.

The image shows fundamental measures to take into account to build a bathroom under a straight staircase. 

The back wall must be built so that it reaches a height of about 1400mm, and from there, locate the toilet, which is usually in the position with the least space.

bathroom plans under stairs with measurements

Place the toilet where the ceiling is lower, but avoid hitting their heads. This is influenced by the tread-riser relationship. 

Being a SMALL BATHROOM PLAN, it is convenient to locate a small toilet, no more than 650-670 mm long, with a tank if necessary, helping to avoid bringing the head closer to the ceiling.

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