In a small bathroom every centimetre counts, so we plan the layout around the soil stack, the door and the shower before choosing a single tile. Wall-hung WCs, full-width showers, built-in niches and doors that open outward or slide are the changes that make the biggest difference. The renovation itself follows the same sequence as any bathroom: strip-out, pipes, waterproofing, finishes and fitting.
What makes a small bathroom feel cramped?
Usually it is not the floor area but how it is used. A corner shower tray that forces you to turn sideways, a door that swings inward and hits the basin, a floor-standing WC with a bulky cistern, open shelves crowded with bottles and a single ceiling light that casts shadows on the mirror. Each of these can be fixed independently, and together they change how the room feels.
Many apartments on the coast were built with an en-suite and a family bathroom side by side, both on the small side. Guest cloakrooms are often tighter still. Renovating them is less about squeezing in more and more about removing what gets in the way.
Which changes give back the most space?
- A wall-hung WC with a concealed frame and cistern. The floor underneath stays clear and the frame can be set in a slim stud wall that also hides pipes.
- A shower across the full width of the room rather than a corner tray, so the screen is a single fixed panel and you can stand comfortably.
- A compact basin on a slim counter or wall-hung, with the trap tucked close to the wall.
- A door that opens outward or slides into the wall, if the corridor and the partition allow it.
- Niches built into the stud wall for toiletries, instead of shelves or caddies.
Not every change suits every room; we look at which ones are possible in yours. For more ideas, see best ideas for a small bathroom.
Can the WC or shower move to a different wall?
It depends on the route to the soil stack. A WC needs a short, direct connection with a good fall; moving it far from the stack is often where small-room plans run into trouble. A shower is more flexible, but its waste also needs depth below the floor. The basin can almost always go wherever is most convenient.
We set out the possible arrangements on a plan before the strip-out, so you can compare them knowing what each one involves. The small bathroom layout guide explains the common configurations and their limits.
What about light and ventilation in an inside bathroom?
Many small bathrooms in apartment blocks have no window, only a vent grille into a shared shaft. Light then comes entirely from fittings, and moisture has nowhere to go unless there is an extractor. We plan lighting in layers: a general ceiling light, a light at the mirror for the face, and sometimes indirect light in a niche or under a counter.
An extractor fan wired to the light or with its own switch makes a large difference to condensation and mould. Electrical positions are set by authorised partner installers who know the rules for bathrooms. The guide on damp and mould in bathrooms explains why ventilation matters as much as finishes.
Which finishes work best in a small room?
Large-format tiles or a seamless finish reduce the number of joints and make walls read as one surface. A light, consistent colour on walls and floor helps; contrasting colours split the room into pieces. A single large mirror reflects light and space better than a small cabinet.
That said, a small room can carry a bold choice if it is consistent. Blue textured tiles on one wall or a dark seamless finish in the shower can look deliberate when everything else is calm. The tiling and seamless finish pages explain the practical side of each.
Is a small bathroom quicker to renovate?
Less area means fewer square metres of tile, but almost the same number of trades: strip-out, plumbing, electrics, waterproofing, tiling, fitting. Each needs its turn and its drying or curing time. Small rooms are also harder to work in, because two trades cannot be inside at once.
So a small bathroom is not proportionally quicker or cheaper than a large one. The order of work in your quote shows the stages and their sequence for your specific room.
What does a small bathroom renovation not cover?
We change what is inside the room: pipes, waste, finishes, fittings, lighting points and partitions that are not structural. We do not move load-bearing walls, cut new openings in the façade for a window or alter the building’s shared vent shafts. If a better layout depends on any of those, you need an architect or building surveyor first, and in an apartment block the community’s agreement.
Enlarging a bathroom by taking space from a bedroom or a corridor is sometimes possible with a new stud or brick partition. In that case we look at where the doors end up and whether the bedroom still works. Changing the layout of the wider apartment is covered on our sister site for apartment renovation.
Finally, a small bathroom often sits next to another wet room. If both are dated, renovating them in one programme avoids opening the same walls twice and lets the pipes for both be renewed together.
How do I get a quote for a small bathroom?
Photos of each wall, the floor, the ceiling and the door, plus the dimensions or approximate floor area. If you know where the soil stack runs, tell us. A first assessment comes back by email or WhatsApp, and the final itemised quote follows a visit. For a complete overview of what a bathroom renovation covers, see bathroom renovation.
Bauman Raymond Attila · Reforma Baños Málaga · Avenida Antonio Belón 3, Marbella. Last reviewed: 05/11/2026.
