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Small Bathroom Floor Plans

So let’s dive in and just to look at some small bathroom floor plans and talk about them.


All the bathroom layouts that I’ve drawn up here I’ve lived with so I can really vouch for what works and what doesn’t.  If you have a bigger space available the master bathroom floor plans are worth a look.

You can find out about all the symbols used on this page on the floor plan symbols page.  There's also information on bathroom dimensions.



Standard Small Bathroom Floor Plans

Standard small bathroom floor plan with bath
standard small bathroom layout with shower

Here's two standard bathroom layouts that works well as a small family bathroom (5ft x 8ft). They work well with a shower bath or a luxurious shower size.  The position of the door is also flexible.  There’s enough room in them for someone to get dressed and undressed but there might be a bit of a clash between the wet zone of someone getting out of the shower bath and the area in front of the toilet – buy hey you can’t have everything in a small space.

Caveat for small bathroom design

In the bathroom layouts page one of the principles of good bathroom design is that there’s enough room for a person to take clothes on and off and dry themselves. This is sometimes sacrificed in small bathroom floor plans.  But if it's an en-suite or an apartment where people know each other well enough to scamper across the corridor wrapped in a towel then this isn't so much of a problem - but an opportunity to save space!

standard small bathroom floor plan with built in cistern

The storage can be improved by using a built in cistern arrangement.  This creates a shelf which runs behind the basin and toilet. The dotted line illustrates a storage cupboard on the wall.

A bathroom design mistake to avoid

Small bathroom wc in wrong position

The only difference in this bathroom is the position of the toilet.  See how it's right in front of the door - well just imagine the view when the door's left open.  I just think a view of the vanity is preferable.

Small Bathroom with Shower


This is another standard layout - a square 6ft x 6ft bathroom that accommodates a washbasin, toilet and a standard shower.

small bathroom floor plan with standard shower

Small bathroom with Shower and Bath

Some people don't want to 'have a bath on the floor of the shower' but don't want to let go of the bath.  Here's a bathroom layout for fitting both into 5ft x 9ft.  It's tight and there's only just enough room for dressing and undressing.  This design will accommodate a swing door but a pocket door would also work well.

Japanese style small bathroom floor plan including a bath and shower

This 12ft x 6ft bathroom floor plan has the bath and shower in their own separate wet zone room.  It's an efficient use of space because the clearance area for the bath is used as the shower.  It's a layout often found in Japanese bathrooms.

Here's another version of this layout.

Japanese style small bathroom floor plan including a bath and shower

Long thin small bathroom

If your space is long and thin rather than rectangular here's a small bathroom layout to consider.  It fits especially well at the end of a rectangular bedroom (say 3ft x 9ft).  The washbasin shown here is small.  A standard sized one tends to stick out too much. 

The door here is shown swinging out of the room just to make getting in and out easier. A pocket door would also work well with this layout.

small long thin bathroom floor plan

Here's one with the door at the thin end at 4ft x 8ft (122 x 244cm).  A door opening outwards helps things along, as do shallow sinks.  Another tip is to nestle the sink and toilet cistern into niches in the wall which means them stick out less into the room.  The minimum width you can get away with is about 4ft (122cm).

small bathroom floor plan door thin end

Toilet in a separate room

Here’s an arrangement with the toilet in a separate room (a water closet I guess).  If you want, or if building codes dictate, there would be room for a small washbasin on the wall of the WC.  The shower room section has a good size shower and room for a seat – a little luxury to my mind which fits comfortably in the small space.

small bathroom layout wc in speparate room

Really, really small bathroom floor plan

If you have a really small bathroom space (5ft x 4ft) the answer might be to have a small room big enough for a toilet and a washbasin and for this space to do double duty as a shower cubicle.  You’d need to get a drain installed straight into the floor and get the room tanked.  I’ve seen this arrangement in apartments in Japan and in camper vans and while it does fit it's wet!


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small bathroom floor plans

Small bathroom floor plans

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Master bathroom floor plans

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Bathroom dimensions

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Bathroom towel storage