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Greater London · HA1

Cloakrooms & downstairs WCs in Harrow

We handle cloakrooms & downstairs WCs for homeowners and landlords in Harrow, with the survey, products, strip-out, trades and fitting under one contract.

£2,200–£5,600 inc VAT2–4 working daysFree home survey
Downstairs cloakroom with a compact WC and corner basin, example for Harrow
Postcode districts
HA1, HA2, HA3, HA5, HA7
Nearby
Brent, Wembley and Northolt
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 Harrow?

In Harrow, a cloakroom or downstairs WC typically costs £2,200–£5,600 including VAT, based on London prices. We adjust the national guide for London, where prices are typically about 25% above the UK average. 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 Harrow including VAT. Your itemised written quote after the free survey is the price that counts.

Working in Harrow

We work right across Harrow — HA1, HA2, HA3 and 2 more postcode districts — and in neighbouring Brent and Wembley.

London homes in Harrow often mean stairs, permits and neighbours below; we plan the logistics as carefully as the bathroom. If you are refreshing a dated cloakroom in Harrow, a wall-hung WC and slim vanity can change the room in a few days. If the only toilet in your Harrow 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
  • Compact sanitaryware: a short-projection, back-to-wall or wall-hung WC and a corner, wall-hung or slim vanity basin
  • A concealed cistern frame or WC unit where the space allows
  • Lighting wired by a qualified electrician, tested and certified

Decisions to make first

Under-stair layout

Headroom drops quickly under stairs. The basin and the space in front of the WC need standing height; the low end of the room can take the cistern or storage.

Door

An outward-opening door is usually needed so it does not hit the WC. A sliding door suits a narrow hallway where an outward door would block the way.

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 Harrow: questions

How much should I budget for a cloakroom or downstairs WC in Harrow?

A cloakroom or downstairs WC in Harrow usually costs £2,200–£5,600 including VAT. Expect the lower end for a like-for-like job with standard products, and the upper end if things move or you choose premium finishes. Your quote is itemised and fixed in writing once agreed.

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

Building control for Harrow 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 Harrow.

Is the home survey in Harrow 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 Harrow

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