Half bathroom layouts, measurements and materials to build or make reforms. Design of half bathrooms plans with “comfortable and functional” solutions.
What is a Half Bath?
A half bathroom, also known as powder room or guest bath, is a small bathroom that typically has only two bathroom components: a toilet and a sink.
It may or may not have a vanity. A half bathroom is typically located on the main floor of a home and is used by guests who come by to visit for a few hours, or by those who don’t want to run all the way upstairs when need it.
Half Bath Floor Plan – 10 Layouts
Watch it until the end… but in the middle, there are interesting things…

Same Half Bath Size with Corner Shower

2 sqm Bathroom | ||
Floor area | 2.25 sqm | 26.1 sq ft |
Inner perimeter | 6.30m | 20.6 ft |
Lenght of wall | 6.50m | 21.3 ft |
Wall Area (h: 2.85m) | 16.6 sqm | 178 sq ft |
40x20x15cm blocks | 208 units | 208 units |
Wall tiles (h: 2.0m) | 13.0 sqm | 140 sq ft |
Window (1.0×0.60m) and door (0.75×2.10m) openings are discounted.

Suspended sanitary furniture is the best alternative to design a small half bathroom. In addition to taking advantage of the space for storage, they provide a greater sense of spaciousness.
Floor and wall finishes should be light colors, increasing lightness and a feeling of spaciousness. Find many WHITE bathroom ideas .
Small Half Bathroom Layout: Second Variant
The best thing, for such a small half bathroom, is that the door opens outwards.
It could also open inwards, but you would feel the discomfort of having to pick yourself up in the corner to be able to close.
Very Small Half Bathroom Layout Ideas

21 sq ft Bathroom | ||
Floor area | 2.03 sqm | 21.8 sq ft |
Inner perimeter | 5.70 m | 18.7 ft |
Lenght of wall | 6.00 m | 19.7 ft |
Wall Area (h: 2.80m) | 14.73 sqm | 158.6 sq ft |
40x20x15cm blocks | 186 units | 186 units |
Wall tiles (h: 2.0m) | 9.93 sqm | 100.1 sq ft |
Window (1.0×0.60m) and door (0.70×2.10m) openings are discounted.
Even placing furniture with a reduced depth, it can be uncomfortable to put the door opening inwards.


However, your HOUSE DESIGN should be analyzed , as it could cause conflict in a corridor or hall, or when entering a room.
4×5 Half Bathroom Layouts, Third Variant
Powder Room Dimensions with Layout Ideas
This solution include a shelf (open and closed) over the toilet, which hides its water tank.

Depending on the height of the bathroom ceiling, and the height of the cabinet, a high window can be placed, which lets in natural light and ventilates, and prevents views into the interior.
20 sq ft Bathroom | ||
Floor area | 2.03 sqm | 22.1 sq ft |
Inner perimeter | 5.70 m | 18.7 ft |
Length of wall | 6.00 m | 19.7 ft |
Wall Area (h: 2.70m) | 14.13 sqm | 151.8 sq ft |
40x20x15cm blocks | 178 units | 178 units |
Wall tiles (h: 1.50m) | 7.50 sqm | 80.8 sq ft |
Window (1.0×0.60m) and door (0.75×2.10m) openings are discounted.

20 sq ft Bathroom, in neutral tones (wood and light grey). This combination is always nice.
The size of basin is striking. Sinks with such small depths can be uncomfortable and not very ergonomic, when trying to lean. Enough space is appreciated, for a larger one.

Half bathroom with 20 sq ft. Lighting is essential to achieve this interior design. Keep in mind, well thought out lighting can save the worst space.
5×5 Half Bathroom Layout, Variant 5
Careful planning of the space and the choice of elements that maximize functionality will make it possible to create a comfortable and functional bathroom.

5×4’7” Half Bathroom | ||
Floor area | 2.14 sqm | 23.1 sq ft |
Inner perimeter | 5.70 m | 18.7 ft |
Length of wall | 6.00 m | 19.7 ft |
Wall Area (h: 2.70m) | 14.25 sqm | 153.4 sq ft |
40x20x15cm blocks | 180 units | 180 units |
Wall tiles (h: 2.40m) | 11.73 sqm | 126.3 sq ft |
Window (0.80×0.60m) and door (0.70×2.10m) openings are discounted.
Half Bathroom with 15 sq ft Area
They are solutions to optimize the small half bathroom of your home. You should look at the separation between the different furniture as well as the distance to the wall.

3×5 Powder Room Layout with Dimensions


Half Bath Dimensions in Feet
4×5 ft Tiny Half Bath Layout Idea with Dimensions

Be sure to choose pieces and accessories that are compact, with minimal dimensions, and specifically designed for small spaces.
1.20×1.50 m Tiny Half Bath Layout with Dimensions

Resorting to suspended and built-in elements will save space, contributing to the interior decoration.

2 sqm Bathroom | ||
Floor area | 2.25 sqm | 24.2 sq ft |
Inner perimeter | 6.00 m | 19.7 ft |
Length of wall | 6.30 m | 20.7 ft |
Wall Area (h: 2.60m) | 14.31 sqm | 153.9 sq ft |
40x20x15cm blocks | 180.3 units | 180.3 units |
Wall tiles (h: 2.00m) | 10.00 sqm | 107.6 sq ft |
Window (1.0×0.60m) and door (0.75×2.10m) openings are discounted.


The most recommended variant of (1.2 x 1.5m) 4×5 ft bathroom plans is the second one, and “by chance” it is not the one with the most area.
Therefore, a BATHROOM LAYOUT take a great influence to confort and funtionality.
Small Half Bathroom Decor Ideas


Take a look at these beautiful POWDER ROOM IDEAS.


Bathroom Plan with 2 sqm Variant 7
Taking advantage of natural light is very important. Use WINDOW DESIGNS that allow more natural light in to make the room feel more spacious and comfortable.
Powder Room with Dimensions in Feet

This layout can be a bit tight if you don’t use a compact toilet.
With a compact toilet, 60cm long (with tank included), there would be 60cm free in front of this sanitary piece, which is enough.
Window (0.80×0.60m) and door (0.70×2.10m) openings are discounted.
Small Half Bathrooms Size in 2 square meters

Window (0.80×0.60m) and door (0.70×2.10m) openings are discounted.
It’s important to maximize storage by using shelves, baskets, and other organization methods.
But when choosing the layout, you should not limit the small available space. Built-in storage solutions are convenient.

Furniture with minimal lines and embedded in the wall, that are easy to clean and that provide an orderly appearance to your 2 sqm bathroom.
Saturating small bathrooms with independent furniture, instead of gaining, takes away aesthetics, order and, above all, space.
Having enough storage is important, but it shouldn’t sacrifice aesthetics.
The more decorative elements you put, the smaller the 2 sqm space will be.
Other Tips for Decorating a Half Bathroom
- Do not include many colors (two main colors in light tones).
- Avoid placing many towels.
- If you include patterns (on specific elements or surfaces), you should increase the areas of white.

Reduced bathroom, with good use of colors and textures. 2 large surfaces can be distinguished (white and patterned ceramic). Decoration with white, wood, and black. The translucent screen allows visuals with depth, and greater luminosity.
- Avoid patterned curtains, as they diminish the feeling of space.
- Avoid additional storage items, such as stairways, cabinets above the floor (these should be built-ins).

Modern sanitary furniture, compact design. Few colors in the interior decoration. White tiles. Built-in cabinets.
- It includes furniture with fine and stylized lines. Avoid sturdy furniture.

Warm decoration. Modern sanitary cabinets, with a compact design, less deep. Very simple shelves, with wood. Few decorative elements (natural plants).
- The larger tiles, or large format, can make the bathroom look larger. Avoid small format tiles.

Half Bathrooms with 20 sq ft, a Wet Room

20 sq ft Bathroom, with shower (without tray). It is necessary to make a depression in the bathroom floor, with a slope (1.5%) towards the floor grate. In addition, create a difference in level, in relation to the entrance corridor to the bathroom.
You should keep in mind that the narrower the bathroom, the ceiling height should be lower (maximum 2.40 to 2.50 m). This way you do not create a possible feeling of even smaller and narrower space.
In the case of an existing bathroom, with a high ceiling, you can place a false ceiling or a grid that hides the height of the cover.
22 sq ft Bathroom | ||
Floor area | 2.05 m2 | 22 sqm |
Inner perimeter | 6.1 m | 20 ft |
Length of wall | 6.50 m | 21.3 ft |
Wall Area (h: 2.50m) | 14.05 m² | 151.2 sqm |
40x20x15cm blocks | 177 units | 177 units |
Wall tiles (h: 2.0m) | 10.07 m² | 108.4 sqm |
Window (0.80×0.60m) and door (0.70×2.10m) openings are discounted.
Small Half Bath Ideas on a Budget


How Big should Be a Half Bath?
An average bathroom, in its smallest dimensions, should not measure less than 1.50 m2. A minimum area of 80x60cm must be left free, in front of each sanitary furniture.
The following example demonstrates it.

The door, which will have to open outwards and with an average height of 1.90 m.
20 sq ft Bathroom Remodel Cost
The cost of renovating a 20 sq ft bathroom varies depending on various factors, such as the materials selected, the location, the extent of the remodel and others.
Prices can range from around 2000 to 3,000 euros, for a bathroom with approximately 20 sq ft.
If you are interested in getting a custom quote for your 20 sq ft SMALL BATHROOM PLAN, a renovation, I mean, you must contact a remodeling company in your local area for a detailed quote, specific to your needs and preferences.
Purposes of a Half Bathroom
- To provide guests with a place to use the toilet and wash their hands.
- To provide a convenient place for people to use the toilet when they are not staying in the main part of the home, such as in a basement or garage.
- To save space in a home that does not have a lot of extra space.
- To add value to a home when it is sold.
Half bathrooms are a popular addition to homes, as they provide a convenient and functional space for guests and homeowners alike. They are also a relatively affordable way to add value to a home.
Benefits of Having a Half Bathroom
- Convenience: Half bathrooms are located on the main floor of the home, so they are easily accessible for guests and homeowners alike.
- Privacy: Half bathrooms are typically smaller than full bathrooms, which can provide a more private experience for guests.
- Aesthetics: Half bathrooms can be designed to complement the style of the home, and they can add a touch of luxury to a space.
If you are considering adding a half bathroom to your home, there are a few things to keep in mind:
- Size: Half bathrooms are typically small, so it is important to choose fixtures and finishes that are compact and space-saving.
- Location: Half bathrooms are typically located on the main floor of the home, but they can also be located in other areas, such as the basement or garage.
- Budget: Half bathrooms can be relatively affordable to add to a home, but the cost will vary depending on the size and finishes you choose.
With careful planning and design, you can add a half bathroom to your home that is both functional and stylish.