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Bathroom Renovation Isleworth

Luxury bathroom and wet-room refurbishment in Isleworth. Trusted, professional, 30+ years' hands-on experience.

GS Renovation creates bathrooms, en-suites and wet rooms across Isleworth, working within the tight footprints typical of TW7's Victorian and Edwardian terraces. With more than 30 years in Hounslow borough, we handle the waterproofing, drainage, tiling, heating and ventilation properly, so your new bathroom in a bay-fronted period home looks beautiful and stays dry for years.

Bathroom renovation by GS Renovation, London
A full refit with a walk-in shower, fluted panelling and a freestanding bath.

Wet rooms and walk-in showers in Isleworth

A wet room or walk-in shower suits the awkward spaces found in Isleworth terraces, whether that is a former box room, a landing corner or the end of a closet wing. The key is getting the waterproofing right, so we tank the floor and walls fully before a single tile goes on, form the falls to the drain accurately, and bond the membrane into the tanking. Done properly, this prevents the leaks that plague poorly built showers.

Older terraces in TW7 often have original drainage that was never designed for a modern shower, so we upgrade waste runs and soil connections to cope with the flow. Good extract ventilation is essential in these solid-walled homes, where damp lingers, so we fit humidity-controlled fans that clear moisture before it reaches the plaster. Underfloor heating warms the tiled floor and helps the room dry quickly between uses, which matters in a period house.

Space-saving en-suites in Isleworth period homes

Adding an en-suite to an Isleworth bedroom, or squeezing a family bathroom off a narrow landing, is all about clever planning. We use compact and wall-hung sanitaryware, sliding or pocket doors, and concealed cisterns to free up floor space in rooms that were never designed with bathrooms in mind. Careful setting out around the joists, the soil stack and any chimney breast lets us fit a proper shower, basin and WC into a surprisingly small footprint.

Bathroom electrics fall under building regulations, so lighting, shaver points, heated towel rails and extractor fans are all installed to the correct zones and certified. We finish with fully tiled or panelled walls, sealed junctions and quality brassware, choosing tiling that suits the character of your Victorian or Edwardian home. From a single en-suite to a full family bathroom, everything is handled by one team, so the plumbing, waterproofing, tiling and electrics all tie together neatly.

  • Underfloor heating and heated towel rails
  • Floor strengthening before large-format tiles or stone
  • Walk-in showers and wet-room installation
  • Downstairs cloakroom and WC installation
  • Full plumbing, drainage and waterproofing (tanking)
Service areaIsleworth · TW7
Local authorityHounslow Council
Part ofWest London (Outer London)
Typical homesPeriod homes near the river
Also covered nearbyChiswick, Brentford and Hounslow

Trusted Bathroom Renovation in Isleworth

Isleworth homeowners choose GS Renovation for bathrooms because we get the hidden work right: full tanking, proper falls, upgraded drainage and effective ventilation, not just attractive tiling. That is what keeps a bathroom in a solid-walled TW7 terrace dry and damp-free. With 30+ years across Hounslow borough and one team for every trade, your bathroom is built to last and certified throughout.

  • Full tanking behind tiles and across shower floors
  • Fully insured, with cover in place on every site
  • Rated 4.9 from 31 reviews on MyBuilder
  • Falls set to the gully so a wet room actually drains
  • The shortest sensible downtime where it is the only bathroom
  • Founder-led team with 30+ years of hands-on experience
30+ YearsFounder's experience
Fully Insured5 year guarantee
4.9 / 531 MyBuilder reviews
Building ControlCompliant
Free QuotesNo obligation
Reviews

Rated 4.9 / 5 by our clients

★★★★★ 4.9 average from 31 verified reviews on MyBuilder

★★★★★
I had a bathroom refit which I was very pleased with and I then went on to get my kitchen refitted as I was so happy with the way he worked. Even…
Customer of GSrenovationvia MyBuilder
★★★★★
George always kept to commitments and arrived on time. He offered helpful suggestions during his initial visit and promptly provided a reasonably…
scomtottIslington, London · via MyBuilder
★★★★★
The kitchen has been fitted to the high standard. Saaid was polite, professional, tidy, he pays attention to a little details that make huge…
khalid75711Barnet · via MyBuilder
Read all 31 reviews

FAQ

Frequently Asked Questions about Bathroom Renovation Isleworth

Are there hidden costs with bathroom renovation in Isleworth?

The honest answer is that the risk sits in what is concealed. GS Renovation lists what the TW7 survey could not inspect, so an Isleworth homeowner knows where the bathroom renovation figure might move before signing anything. The Hounslow Council fee and the engineer's fee are already included rather than sprung later. Nothing is added to the Hounslow account without your written agreement. Ring 07472 424 226 if you want the TW7 risks explained before quoting. 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.

How soon could you begin bathroom renovation work at a TW7 address?

It varies through the year and you will get the real answer. GS Renovation will not open a TW7 property for bathroom renovation until the team can stay on it to the end, which is why an Isleworth start date is committed rather than provisional. Approvals from Hounslow Council run alongside. Call 07472 424 226 and we will check the next available Hounslow slot. Email info@gsrenovationltd.co.uk with the TW7 postcode and we will confirm the position.

Is your bathroom renovation work in Isleworth guaranteed?

Yes. Installations carry a five year guarantee, and GS Renovation is fully insured for every bathroom renovation project at a TW7 address. Alongside that you receive the Hounslow Council completion certificate for the structural work, which is the document that matters when an Isleworth property changes hands. Aftercare goes through the same number you used during the job. Ring 07472 424 226 at any point afterwards in Hounslow. The guarantee and the certificate are both handed over at TW7.

Does a new bathroom in Isleworth need planning permission?

Not for internal work. Converting a bedroom to a bathroom in an Isleworth house is an internal alteration, so planning is not engaged, though building regulations are. External changes such as a new soil vent pipe on a TW7 property may need permission in a conservation area.

Can you handle bathroom renovation in a late Victorian and Edwardian property in Isleworth?

Yes, and it is the sort of property we are on most weeks. Bathroom renovation at a TW7 address of that age needs the structure confirmed before design, so GS Renovation appoints an engineer where the work requires one and builds to their specification. Hounslow Council inspects at the defined stages. The Isleworth survey costs nothing and carries no obligation. Ring 07472 424 226 and we will describe recent bathroom renovation projects on similar TW7 houses in Hounslow.

Do I need planning permission for a new bathroom in my Isleworth home?

No. Fitting or reconfiguring a bathroom or en-suite inside your Isleworth home does not need planning permission. However, the electrical work is notifiable under building regulations, so it must be installed and certified correctly, and new drainage or waste connections must also comply. We handle those approvals for you. Planning permission only becomes relevant if the bathroom forms part of an extension to the property.

How do I check whether you cover my TW7 address for bathroom renovation?

The fastest way is a phone call. Give us the TW7 postcode and we will confirm whether bathroom renovation at that address sits inside our Isleworth and Hounslow patch, usually within a minute. GS Renovation would rather turn work down honestly than quote and hope. A free survey can be booked at the same time. Building control goes through Hounslow Council where the work requires it. Nothing is owed for the TW7 reply or the Isleworth survey.

Every Service, One Team

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The same trusted team, 30+ years' hands-on experience and free, no-obligation quotes apply to every GS Renovation service in Isleworth. Explore what else we do locally:

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Free, no-obligation quote for bathroom renovation in Isleworth. Rated 4.9 from 31 reviews on MyBuilder, fully insured, and building control handled for you.

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