Luxury bathroom and wet-room refurbishment in Mitcham. Trusted, professional, 30+ years' hands-on experience.
GS Renovation renovates bathrooms across Mitcham, making the most of the sometimes tight bathroom spaces in 1930s semis and interwar terraces in CR4. With over 30 years in the Merton area, we handle everything from waterproofing and tanking to tiling, underfloor heating and the drainage, so the finished room lasts.

Interwar Mitcham houses were rarely built with the bathrooms families want now, so we often reconfigure the original layout to create a proper walk-in shower, a wet room, or an en-suite carved out of a bedroom or a landing recess. Getting a wet room right starts below the tiles, with full tanking and waterproofing so there is no risk of water tracking into the floor structure of an older house. That groundwork matters far more than the finish that sits on top.
Drainage and ventilation are planned from the start, because a good-looking bathroom that steams up or drains slowly is a false economy. We set falls correctly, run new soil and waste where the original runs are undersized, and fit extraction that actually clears the moisture. In the smaller bathrooms typical of CR4 semis, careful layout and space-saving fittings free up room without making the space feel cramped.
Once the room is watertight, the finish is where a Mitcham bathroom earns its keep. We tile floors and walls to a standard that suits a period home, set out so the lines run true against the not-always-square walls of a 1930s house. Underfloor heating warms the floor and frees up wall space that a radiator would otherwise take, which is welcome in the compact bathrooms these interwar homes were built with.
We coordinate the plumbing, the electrics and the tiling so the trades follow in the right order and nothing is disturbed later. Bathroom electrics are notifiable under building regulations, which we handle as part of the work, and there is no planning permission needed for an internal bathroom. From a family bathroom refit to a discreet en-suite, the result is built to cope with daily use for years.
Mitcham homeowners choose GS Renovation because we get the parts you cannot see right first, the tanking, drainage and ventilation, before any tile goes on. That is what stops leaks and damp in an older CR4 house. One team covers plumbing, electrics, tiling and heating, all to standard, backed by 30+ years of bathrooms across Merton.
George was brilliant. Lovely bloke, very reasonably priced and a perfectionist to boot. He completed our small kitchen renovation with care and great attention to detail. I've already recommended him to others.
Splendid job on our new kitchen refurb, including new flooring, moving the services, installing RSJ and preparing space for new back doors… George was always friendly, communicative and has an excellent attention to detail, ensuring everything is finished to a high standard.
Giorgio is an excellent and intelligent workman, and with very reasonable prices!… He paid a lot of attention to detail that is not common at all, and the final result was immaculate. Highly recommended!
FAQ
The cost of bathroom renovation in Mitcham depends on the size of the property, the specification and the scope of work. GS Renovation provides free, detailed and itemised quotations for every Mitcham project. Call 07472 424 226 or email info@gsrenovationltd.co.uk for a no-obligation estimate. As a rough guide, bathroom renovation in London ranges from roughly £6,000 to £20,000 or more (indicative London ranges, MyBuilder and Checkatrade, 2026). Your figure depends on the size, specification and condition of the property, which is why we survey before quoting.
We will give you an honest timescale for bathroom renovation in Mitcham after surveying your home. Most projects run on a clear weekly programme, and we tell you up front about any lead times on materials or approvals.
Because we manage every trade in-house, your Mitcham project stays consistent and accountable from first fix to finish. Add transparent pricing, full insurance and real aftercare, and it is easy to see why Mitcham clients recommend us.
Yes. Bathroom electrics in Mitcham are notifiable under Part P and must be certified, and any drainage, ventilation or structural changes must meet building regulations. We include certified electrical work and manage building control on every bathroom project.
Yes. A large share of Mitcham's homes are 1930s and interwar properties, and we renovate them regularly. We plan each bathroom renovation around their particular characteristics, such as cavity walls, regular original layouts and the generous plots that suit extending, so the result suits the building and meets building control.
Yes. In a 1930s Mitcham house the key is full tanking and waterproofing under the tiles, plus proper falls to the drain and adequate ventilation, so water never reaches the floor structure. We plan the drainage and layout to suit the existing house, handle the notifiable bathroom electrics under building regulations, and there is no planning permission needed for an internal wet room.
Yes, Mitcham is one of our core areas. We work on every street and the CR4 area and across the wider South West London, so wherever your home is, call 07472 424 226 and we will confirm we can help.
Every Service, One Team
The same trusted team, 30+ years' hands-on experience and free, no-obligation quotes apply to every GS Renovation service in Mitcham. Explore what else we do locally:
Steel beam installation, RSJ and structural alterations.
Safe load-bearing wall removal with steel beam support.
Structural alterations, new openings and steel support.
Chimney breast removal with gallows bracket or beam support.
Open-plan kitchen, diner and living conversions.
Single and double storey extensions.
Full refurbishments and whole-house renovations.
Bespoke kitchen design and installation.
Same Service, Nearby Areas
We carry out bathroom renovation across Mitcham and the surrounding areas. Explore a nearby location:
Contact GS Renovation today for a free, no-obligation quote for bathroom renovation in Mitcham.
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