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Greater London · TW3

Cloakrooms & downstairs WCs in Isleworth

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

£2,200–£5,600 inc VAT2–4 working daysFree home survey
Downstairs cloakroom with a compact WC and corner basin, example for Isleworth
Postcode districts
TW3, TW5, TW7
Nearby
Hounslow, Heston and Southall
Guide price
£2,200–£5,600
Typical time on site
2–4 working days
Water
Very hard across most of Greater London
Survey
Free, at your home

What does a cloakroom or downstairs WC cost in Isleworth?

For Isleworth, our guide range for a cloakroom or downstairs WC is £2,200 to £5,600 including VAT. Prices in London run at about 25% above the national guide, mainly because of labour rates. The figure depends on the size of the room, whether anything moves, and the products you pick.

Upgrade

£3,800–£5,600
  • Wall-hung WC with concealed frame

New cloakroom

£4,400–£9,400
  • New waste or macerator

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

Working in Isleworth

We work right across Isleworth — TW3, TW5 and TW7 — and in neighbouring Hounslow and Heston.

In Isleworth, many bathrooms are in flats or converted houses, so we check lease consents, access and the floor below before we price. For a new cloakroom in Isleworth, the first thing we look at is where the nearest drain or soil stack runs. If the only toilet in your Isleworth home is upstairs, a cloakroom under the stairs or in the utility can save a lot of trips.

Supplies across most of Greater London are very hard. Taps, plug wastes and toilet pans scale up quickly, so chrome copes better than matt black, and a removable aerator is worth having. 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
  • A survey that checks the headroom under the stairs, the door swing and how the waste will reach the drain
  • Strip-out of the old fittings, waste removal and making good on the hall side
  • Splashback or feature tiling and a new floor, often LVT or porcelain

Decisions to make first

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.

Finishes

A small room can carry a bolder tile or wallpaper. A feature wall behind the WC costs far less here than in a full bathroom because there is so little of it.

Rules that apply in England

In England, a new WC connected to the soil stack or drain is drainage work under Part H, and a newly formed cloakroom without an opening window should have mechanical extract; Approved Document F gives 6 litres per second as the design rate for a WC, against 15 for a bathroom. Because a cloakroom has no bath or shower, adding a light to an existing circuit is not notifiable under Part P, but a new circuit is.

More about cloakrooms & downstairs WCs

Cloakrooms & downstairs WCs in Isleworth: questions

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

A cloakroom or downstairs WC in Isleworth usually costs £2,200–£5,600 including VAT. The final figure comes down to what you choose and what we find at the survey; your written quote lists every item so you can see where the money goes.

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

Building control for Isleworth 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.

How long does a cloakroom or downstairs WC take?

Allow 2–4 working days on site for most jobs, plus the lead time for products after you approve the quote. We give you a day-by-day plan before work starts in Isleworth.

Is the home survey in Isleworth really free?

Yes. We visit, measure the room, check the pipework, drainage and electrics, and talk through what you want. You then get a written, itemised quote with no obligation to go ahead.

What basin works in a small cloakroom?

A slim wall-hung or corner basin works in the smallest cloakrooms because it leaves the floor clear. If you have a little more wall, a compact vanity unit adds a cupboard and hides the trap. Match the tap to the bowl so the water lands in the middle, not on the rim and the floor.

Cloakrooms & downstairs WCs in Isleworth

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