Bathroom Renovation Pinner

GS Renovation renovates bathrooms across Pinner, in HA5's interwar semis and in its period terraces and cottages. From a compact family bathroom to a tanked wet room or a loft en-suite, we handle the drainage, waterproofing, tiling, heating and ventilation as one job, so the room is watertight and built to last.

In Pinner, 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 Pinner: we carry the tanking, plumbing and tiling as one contract, with the electrics certified by a registered electrician.

How the job runs

1. Free design visit at your Pinner home and an itemised quote.
2. Strip-out, then first-fix plumbing and electrics.
3. Tanking to the wet areas, then tiling.
4. Sanitaryware and second fix, with notifiable electrics certified by a registered electrician. Typically 10 to 15 working days on site.

Wet rooms and en-suites in Pinner

Pinner's older homes rarely came with the bathrooms modern families want, so we often carve an en-suite out of a bedroom or turn a small original bathroom into a walk-in shower room. The key is getting the waterproofing right, we fully tank the walls and floor before tiling, then form proper falls to the drainage so water goes where it should. On timber floors we reinforce and level the deck so tiles do not crack or lift later.

Ventilation matters just as much in these older, less breathable houses. We fit adequate extraction to clear moisture and protect the plaster and timbers, and run new soil and waste connections to suit the existing drainage. Underfloor heating under tiled floors is a popular addition, warming the room without eating wall space. All the electrical work in the bathroom zones is installed to the wiring regulations and certified by a registered electrician under Part P.

Housing in Pinner

Of the 11,760 homes the valuation list records in Pinner, 18% were built before 1919, 39% between the wars and 43% since 1945; 36% are flats and 64% are houses. Semi-detached houses make up 28% of homes here, and a semi in Pinner can vent its bathroom through the flank.

Bathrooms over old timber floors in Pinner's period cottages

In Pinner 18% of homes were built before 1919, and in the older cottages a bathroom can sit on joists that have been notched for pipes by several generations of plumbers. A tiled floor or a wet room over those joists will crack if the floor flexes, and a leak finds its way into a lath and plaster ceiling below that is hard to repair invisibly. Lift the boards early, have the joists assessed, and plan any strengthening before the tiles are chosen.

The walls matter as much as the floor. Old solid walls finished in lime plaster need to move moisture, so tanking is kept to the wet zones and the rest of the room is finished in materials that breathe, with extraction strong enough to clear steam quickly. Where the cottage is a listed building, a new soil pipe on an outside wall, a vent through old brickwork or the loss of an original floor can each need listed building consent. Agree the waste route before the Pinner bathroom layout is fixed.

Space-saving bathrooms in Pinner homes

Bathrooms in Pinner houses are often tight, squeezed into a small original room or a boxroom, so clever planning earns its keep. Wall-hung basins and toilets, a walk-in shower instead of a bath, and a concealed cistern can change how a small room feels and works. We set out the layout to make the most of every awkward corner and sloping wall, particularly in loft conversions where the pitch of the roof limits standing height.

We fit the full range, from traditional suites that suit a period cottage to sleek contemporary walk-in showers, matched to the age of the house. Tiling, lighting, heated towel rails and quality brassware finish the room. Working in an occupied Pinner home, we protect the landing and stairs, keep dust down and get you back to a working bathroom as quickly as the tanking and tiling allow, without cutting corners on the parts that stay hidden.

• Tanking membranes and waterproof boards behind tiles
• Bespoke vanity units and storage
• Drainage falls set to the gully in wet rooms

VOA Council Tax stock of properties, March 2025, for Pinner Green, Pinner Central, Pinner Road and Pinner South. Counts rounded by the VOA.

Plenty of Pinner projects start with one job and grow, so it helps to see chimney breast removal in Pinner, bathroom renovation across Harrow, bathroom fitting in London, bathroom renovation anywhere in London and Underfloor Heating Cost.

Why Choose GS Renovation in Pinner

Pinner homeowners choose GS Renovation for bathrooms because the parts that matter most, the tanking, falls, drainage and ventilation, are the parts you never see, and getting them wrong is expensive. One team handles the plumbing, waterproofing, tiling and heating, with the electrics certified by a registered electrician. With our founder's 30+ years on the tools, we know how to fit a proper bathroom into a tight, older space.

Checked by Abdelaaziz Saaid, founder and director of GS Renovation Ltd (Companies House no. 14611254). Structural design is by the consulting engineer appointed to your project.