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South Glamorgan · CF10

Cloakrooms & downstairs WCs in Cardiff

Need a cloakroom or downstairs WC in Cardiff? We plan it around your room and your budget, then do the whole job with one team and one contract.

£1,650–£4,200 inc VAT2–4 working daysFree home survey
Downstairs cloakroom with a compact WC and corner basin, example for Cardiff
Postcode districts
CF10, CF11, CF24
Nearby
Penarth, Caerphilly and Barry
Guide price
£1,650–£4,200
Typical time on site
2–4 working days
Water
Moderately hard across most of South Glamorgan
Survey
Free, at your home

What does a cloakroom or downstairs WC cost in Cardiff?

Our guide price for a cloakroom or downstairs WC in Cardiff is £1,650–£4,200 including VAT. Labour costs in Wales put local prices at about 7% below the UK guide figure. The figure depends on the size of the room, whether anything moves, and the products you pick.

Upgrade

£2,800–£4,200
  • Wall-hung WC with concealed frame

New cloakroom

£3,300–£7,000
  • New waste or macerator

Guide prices for Cardiff including VAT. Your itemised written quote after the free survey is the price that counts.

Working in Cardiff

As well as Cardiff itself (CF10, CF11 and CF24), we survey in Penarth, Caerphilly and Barry.

In a city the size of Cardiff, parking and access for a skip are worth sorting before the start date — we will ask at the survey. For a new cloakroom in Cardiff, the first thing we look at is where the nearest drain or soil stack runs. If you are refreshing a dated cloakroom in Cardiff, a wall-hung WC and slim vanity can change the room in a few days.

Most of South Glamorgan has moderately hard water. Taps and wastes will need an occasional descale, and chrome or brushed finishes are easier to keep clean than polished brass. Hardness varies street by street, so check the figure for your postcode with your water supplier.

What the job includes

  • A new waste connection to the soil stack or drain, or a macerator where the rules allow it
  • Lighting wired by a qualified electrician, tested and certified
  • Splashback or feature tiling and a new floor, often LVT or porcelain
  • A survey that checks the headroom under the stairs, the door swing and how the waste will reach the drain

Decisions to make first

WC style

A wall-hung WC on a frame gives the most floor space and looks neat. A back-to-wall pan in a short furniture unit is easier to fit against an uneven wall.

Basin

A corner basin fits the tightest rooms. A slim vanity basin with a cupboard underneath gives somewhere to keep spare toilet rolls and soap, and hides the trap.

Rules that apply in Wales

In Wales, Part H covers a new drainage connection and the Welsh Part F covers ventilation, with rates similar to England. The Welsh Part P has a wider notifiable list, so check with your electrician whether the cloakroom lighting and fan need to be notified.

More about cloakrooms & downstairs WCs

Cloakrooms & downstairs WCs in Cardiff: questions

How much does a cloakroom or downstairs WC cost in Cardiff?

A cloakroom or downstairs WC in Cardiff usually costs £1,650–£4,200 including VAT. Room size, layout changes and your choice of products move the figure within that range. The free survey gives you an itemised quote, fixed in writing once the details are agreed.

Do you cover CF10 in Cardiff?

Yes. We cover all of Cardiff, including CF10, CF11 and CF24, and nearby Penarth, Caerphilly and Barry. Survey visits are free and arranged at a time that suits you.

Is the water hard in Cardiff?

Most of South Glamorgan has moderately hard water. Taps and wastes will need an occasional descale, and chrome or brushed finishes are easier to keep clean than polished brass. Hardness varies street by street, so check the figure for your postcode with your water supplier.

Who handles building control for a cloakroom or downstairs WC in Cardiff?

Building control for Cardiff is handled by the local council or an approved inspector. If your job needs sign-off — for example a new circuit, new drainage or a new extractor where there was none — we tell you at the survey and handle the notification as part of the work.

Can you put a toilet under the stairs?

Yes, if there is enough headroom where you stand at the basin and in front of the WC, and the waste can reach a drain. Under-stair cloakrooms work well in houses where the stairs rise from the hall. We check the headroom and the drainage route at the survey before quoting.

Cloakrooms & downstairs WCs in Cardiff

Book a free home survey in Cardiff. You get a measured layout and an itemised written price before anything is ordered.