Bathroom Renovation Willesden
Bathroom and wet-room refurbishment in Willesden, tanked, plumbed and tiled by one team.
- Rated 4.9 from 31 reviews on MyBuilder
- London guide: £6,000 to £20,000+
- 10 to 15 working days on site
- Free design visit, itemised quote
GS Renovation renovates bathrooms across Willesden, fitting wet rooms, walk-in showers and en-suites into the Victorian and Edwardian terraces of NW10. We get the waterproofing, drainage and ventilation right, then finish with tiling, underfloor heating and layouts that make the most of tight period spaces.
In Willesden, a full bathroom refit typically costs £6,000 to £20,000 or more (indicative London ranges, MyBuilder and Checkatrade, 2026). GS Renovation Ltd, a building contractor based in Potters Bar, does the work in Willesden: we carry the tanking, plumbing and tiling as one contract, with the electrics certified by a registered electrician.
Price guide
| Work | Indicative London range |
|---|---|
| Bathroom renovation, full refit | £6,000 to £20,000+ |
Indicative London ranges (MyBuilder and Checkatrade, 2026), not a quotation. Prices checked September 2026. Full breakdown: Bathroom Renovation Cost.
Quick estimate for Willesden
Willesden range: choose above
How the job runs
- Free design visit at your Willesden home and an itemised quote.
- Strip-out, then first-fix plumbing and electrics.
- Tanking to the wet areas, then tiling.
- Sanitaryware and second fix, with notifiable electrics certified by a registered electrician. Typically 10 to 15 working days on site.
Waterproofing and wet rooms in Willesden homes
A bathroom in a Willesden terrace usually sits above a timber floor or over the rear closet wing, so proper waterproofing is not optional. Before any tile goes down we tank the walls and floor of showers and wet rooms with a fully bonded membrane, form the falls to the drain, and make sure the room is sealed against the damp that older NW10 houses are prone to.
Extraction matters just as much as tanking, because these period rooms trap moisture and quickly grow mould without it. We fit proper mechanical ventilation and sort the drainage runs, which in an older terrace often means rerouting waste pipes to reach the stack. Get the water management right first and the tiling, glazing and fittings on top will last rather than fail within a couple of years.
Housing in Willesden
Willesden has around 9,160 homes on the Council Tax list: 28% post-war, 8% interwar and 64% predate 1919, with 77% flats and 23% houses. Where most homes are flats, a bathroom in a flat in Willesden sits over a neighbour's ceiling, so it is tanked before tiling and a moved WC needs the freeholder's licence.
A new Willesden bathroom under a Brent building notice
Brent names creating a bathroom as one of the smaller residential projects that a building notice covers, and once the notice is accepted, usually within 48 hours, the work can begin. For a second bathroom or an en-suite in a Willesden house that route suits the job, because the questions are practical ones settled on site: the waste fall to the stack, the extract route to outside and the joists under the bath. Put the notice in when the layout is fixed, not on the morning the strip-out starts.
One case needs planning before plumbing. Suppose the en-suites are going in so a Willesden house can be let room by room. Brent's article 4 direction on small HMOs took effect on 1 November 2022, and where it applies, turning a family dwelling (C3) into a shared house of the C4 kind needs planning permission. Brent publishes a map of the locations it covers. It is the letting that makes the change of use, not the bathrooms, but the bathrooms are usually installed for it. Settle the use with Brent before the extra soil connections go in, because removing them after a refusal wastes the work.
Space-saving bathroom layouts for NW10 terraces
Bathrooms in Willesden terraces are often squeezed into the rear closet wing or a former box room, leaving very little floor to work with. We plan the layout around the space you actually have, choosing a walk-in shower over a bulky enclosure, a wall-hung basin and toilet to free up the floor, and storage that tucks into the awkward corners these Victorian and Edwardian rooms leave behind.
En-suites are a popular way to add a second bathroom in an NW10 house, carved from the corner of a main bedroom or the return over the stairs. We run the new drainage and ventilation, tank the space properly, lay warm underfloor heating under the tiles, and the electrics are certified by a registered electrician under Part P, or notified to building control, so a small period room becomes a bathroom that feels considered rather than crammed.
- Grout, silicone and trim detailing at completion
- Tanking membranes and waterproof boards behind tiles
- Bespoke vanity units and storage
VOA Council Tax stock of properties, March 2025, for Willesden Green and Church End. Counts rounded by the VOA.
The GS Renovation Difference in Willesden
Willesden homeowners choose GS Renovation because we treat the hidden work, the tanking, the drainage and the ventilation, as seriously as the finish. That is what keeps a bathroom watertight in an older NW10 terrace. One team handles the plumbing, electrics certified by a registered electrician, underfloor heating and tiling, backed by our founder's 30+ years on the tools.
Saiid did a complete refurbishment of our small bathroom. This involved ripping out the existing bath/shower, basin, toilet, pipework, and tiles and…
George was a great find. The job required re-plastering the walls before fitting acrylic panels. He also re-plumbed the shower waste under the solid…
George always kept to commitments and arrived on time. He offered helpful suggestions during his initial visit and promptly provided a reasonably…
FAQ
Frequently Asked Questions about Bathroom Renovation Willesden
Which parts of a bathroom renovation project in Willesden cost the most?
On a bathroom renovation project in Willesden the approvals are a small line and the time on site the large one, within £6,000 to £20,000 or more (indicative). The cost of building regulations compliance for any new drainage, extraction or notifiable electrics is small next to labour, but skipping it costs a sale. The days on site are set by the property itself: soil stack distance decides where a Willesden WC can go.
Can you fit a wet room in the closet wing of my Willesden terrace?
Yes. In NW10 terraces we can convert the closet wing or a small box room into a walk-in wet room. We tank the floor and walls with a bonded membrane, form the falls to the drain, fit proper ventilation and reroute the waste to the stack where needed. A bathroom does not need planning permission, but new electrical work is certified by a registered electrician under Part P, or notified to building control. A listed building is the exception: work that affects its character, inside or out, including an extension or taking out a wall or chimney breast, needs listed building consent from Brent Council, and doing it without consent is a criminal offence.
How long does a Willesden bathroom renovation take?
Plan on 10 to 15 working days, beginning with the strip-out and ending once the last fitting is sealed. Where a Willesden flat has only the one bathroom, we sequence the job so the pan is disconnected for as few days as the work allows. You get those dates at the start, so a gym shower or a family visit can be lined up for the tiling stretch when the room is out of bounds.
Where can the toilet go in a Willesden flat bathroom?
Near enough to the soil stack for its waste to fall properly. In an NW10 conversion that vertical pipe is usually common to the flats over and under yours, so it is fixed in place. The pan needs a wider pipe and a short, direct route, and the direction of the joists limits how that pipe can cross the floor. We therefore plan the room from the stack outward, placing basin and shower last.
How is a shower tray set on a Willesden timber floor?
On a stiff, level base with the waste fall already set. Timber floors in older Willesden houses often flex, so joists are checked and stiffened where needed, then the waste pipe is laid to fall before the tray or former goes down. Tanking follows, and only then does tiling start. A tray on a springy floor is how grout cracks and slow leaks begin.
What hot water system suits a new Willesden bathroom?
It depends on how many outlets you run at once and how much space you have. A combi supplies mains-pressure hot water on demand, which suits one bathroom well. A cylinder stores hot water for several outlets but needs a cupboard. With more than three-quarters of Willesden homes being flats, space often decides it, and the choice is settled before first fix because it sets pipe routes.
Could a pre-1919 Willesden house still have lead water pipes?
It could. 64% of homes in Willesden were built before 1919, when lead was the usual material for water supply pipes. Many have since been replaced, but short lengths can survive under floors or at the incoming main. A bathroom renovation is the time to check, while boards are up and pipework is exposed. Lead pipe is dull grey, soft, and shows bright metal when scraped. Any found inside the house is replaced in copper or plastic.
What does a bathroom in a Willesden flat built since 2000 need checking for?
The floor and the fire stopping. 17% of homes in Willesden were built in 2000 or later, and newer flats may have engineered timber joists, which can only be drilled where the manufacturer allows, or a concrete floor with no void for a waste. Pipes through walls and floors are fire stopped at each compartment line. A relocated shower or toilet is planned around those limits before the tray or pan is chosen.
Can a ground floor shower room go in a Willesden rear extension near a sewer?
It can, but the extension then goes through a full plans application, because Brent requires one for extensions built over, or within, three metres of a public sewer. A shower room at the back of a Willesden terrace usually connects into the run behind the house, so a survey of that run decides both the application type and where the new waste joins it, before the room's layout is fixed.
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