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Cloakrooms & downstairs toilets

Turn unused space into a downstairs WC that feels like it belongs there.

We plan and install new cloakrooms in suitable under-stairs, hallway, utility and extension spaces, starting with the drainage, ventilation and usable room rather than squeezing fittings into a drawing.

More than a toilet and basin

Creating a cloakroom means creating a usable room around the services.

When a downstairs WC is being added where there was no room before, the job can include much more than fitting sanitaryware. The position of the soil pipe, waste route, door, ventilation and surrounding walls can decide whether the idea is practical.

New partitions and a door where the room needs to be formed
WC soil connection and basin waste planned before the fittings are chosen
Cold water, hot water where required, ventilation and electrics considered together
Floor, wall finish, lighting, heating and final decoration agreed as part of the scope
Compact downstairs toilet planned around drainage and available space

First survey checks

What decides whether the space can become a cloakroom?

A small footprint is not automatically a problem. Poor access or an unrealistic drainage route usually matters more.

Space

Head height & clearances

Under stairs in particular, the usable standing area matters more than the floor outline. We check whether the WC, basin and doorway can be used comfortably.

Drainage

Soil & waste route

We identify the nearest practical discharge route and whether the floor or surrounding construction allows the pipework to be installed sensibly.

Access

Door & circulation

A new room should not block a hallway or create an awkward doorway. The door position and swing can be as important as the sanitaryware.

Ventilation

Air movement

Internal cloakrooms normally need a planned ventilation route. We look at how that can be achieved before the room is enclosed.

Services

Water & electrics

Water supply, lighting, any fan provision and heating are planned so the finished room is practical to use and maintain.

Property

Approvals & constraints

Leasehold, listed or managed properties can have additional requirements. We can flag practical issues that may need checking before work proceeds.

Common cloakroom projects

Where an extra downstairs WC can work well.

Under stairs

Under-stairs cloakrooms

A popular use of otherwise awkward space when there is enough headroom, a workable doorway and a sensible route for the WC connection.

Hallway

Hall and entrance spaces

Form a compact room off a hallway where circulation can be preserved and the new enclosure does not make the entrance feel cramped.

Utility

Utility and laundry areas

Existing water and drainage nearby can sometimes make a utility area a practical place for an additional WC and basin.

Extension

Rear and side extensions

Where space has already been created, a well-positioned cloakroom can add convenience without taking over the main living area.

Drainage matters

The toilet position should follow a workable drainage strategy.

A tiny room can still become an expensive problem if the WC is placed somewhere that cannot be drained sensibly. We deal with the route before committing to the layout.

Preferred

Gravity drainage

Where practical, a conventional gravity connection to suitable drainage is the simplest and most robust route.

Alternative

Pumped solutions

In some properties a pumped WC or macerator-type solution may be considered when gravity drainage is impractical. Suitability depends on the room, route and expected use.

Access

Future maintenance

Whichever system is used, the installation should allow sensible access to important components rather than burying everything permanently behind finishes.

Compact cloakroom with considered finishes and sanitaryware

Small room, careful choices

Product dimensions matter more in a cloakroom than almost anywhere else.

A basin that is 100 mm too deep or a WC with the wrong projection can make a usable room feel impossible. We check the actual footprint rather than choosing by appearance alone.

Compact or short-projection WCs where appropriate
Corner, wall-hung or reduced-depth basins when they improve access
Door position and ironmongery considered alongside the sanitaryware
Mirrors, lighting and wall finishes used to make the small room feel deliberate rather than leftover

How the work is built

From empty space to finished downstairs WC.

1

Survey

Measure the proposed room and inspect the nearest practical drainage, water and ventilation routes.

2

Agree layout

Set the WC, basin, door and finishes around actual clearances and the service route.

3

Form the room

Build or alter walls and the doorway where required and prepare access for the services.

4

First fix

Install the agreed drainage, water, ventilation and electrical provisions before closing the walls and floor.

5

Finish & fit

Complete the agreed wall and floor finishes, fit the sanitaryware, lighting and accessories, and make good the surrounding area.

6

Test & hand over

Test the room and complete final seals and finishing details before handover.

Pricing

Why we survey cloakrooms instead of advertising one fixed price.

An existing WC being refreshed and a brand-new room formed under the stairs are completely different projects. The expensive part is often the drainage and building work, not the toilet itself.

The quotation is based on what the space actually needs: walls, door, drainage route, water, ventilation, electrical work, floor and wall finishes, sanitaryware and making good.

See our general price guide
Cloakroom survey and planning before quotation

Cloakroom questions

Before you turn the spare space into a WC.

Can you add a downstairs toilet where there is not one now?+

Sometimes. We need enough usable space and practical routes for drainage, water and ventilation. We also check that the new enclosure and doorway do not damage circulation through the property.

Can it go under the stairs?+

It can in suitable properties. Head height, WC projection, basin size, door access, drainage and maintenance space all need to be checked before the layout is fixed.

Do you use macerators?+

Where a normal gravity route is practical, that is usually preferable. In some situations a pumped or macerator-type solution can be considered after the property, route and expected use have been assessed.

Do I need planning permission?+

Many internal projects do not require a normal planning application, but property-specific restrictions and other approvals can still apply. Leasehold, listed or structurally altered properties should be checked before work proceeds.

How much does a new cloakroom cost?+

We do not use one fixed online price because the scope varies dramatically. A new room can involve drainage, walls, a door, water, ventilation, electrics, finishes and sanitaryware. We survey and quote the actual project.

Can I choose my own toilet and basin?+

Yes. We can work with products you like, but compact rooms are unforgiving, so dimensions and service requirements should be checked before anything is ordered.

Have a space that might work as a downstairs WC?

Send the postcode and photographs showing the proposed area and the surrounding hallway or room. If it looks workable, we can arrange a free survey and assess the drainage and layout properly.

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