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Bathroom Renovation Chesham

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

A bathroom renovation is decided by drainage, floor structure and waterproofing, in that order. We handle the strip out, the alterations, the tanking, the tiling and the making good, and we coordinate the building control application and inspections where they are needed. Where a wall or a floor is structural we appoint a structural engineer and build to their calculations. This page covers what a bathroom job runs into on a Chesham property.

A walk-in shower built by GS Renovation, tiled in large format marble-effect porcelain with a lit recess
A low profile tray with a linear waste, black framed screen and a lit niche formed in the tiling.

Bathroom waste in Chesham joins a network the neighbourhood plan flags

Thames Water is the sewerage undertaker for Chesham, and the Chesham Neighbourhood Plan records existing problems with the capacity and quality of the local sewage network. Moving a soil pipe, adding a second bathroom or fitting a shower where a bath stood all change what leaves the house. The stack position, the vent and the fall get checked at survey rather than assumed from the plan.

Where a bathroom moves into a room that never had one, the waste run is the constraint that decides the layout. We set that out before tiles or sanitaryware are chosen, so the drawing survives contact with the floor joists.

Chesham has more purpose built flats than detached houses

Detached houses accounted for 1,696 of the 9,395 Chesham households counted at the 2021 census, fewer than the 1,842 in purpose built flats. The census counted those households across the three middle layer super output areas that cover the town, named Chesham West, Chesham East and Chesham South. The parish had a 2021 population of approximately 23,700, which represents growth of 13 per cent since 2001.

A bathroom in a flat is a different job from a bathroom in a house. There is a dwelling below, a freeholder's consent to consider, and tanking that has to be right the first time. We set out which of those apply to your property at survey, before anything is stripped out.

The completion certificate depends on paperwork at both ends of the job

For building regulations applications received after 1 October 2023, Buckinghamshire Council cannot issue a completion certificate without a notification of completion form, and confirmation that the works satisfied the definition of commencement. A bathroom that involves structural alteration or new drainage is notifiable work, and that certificate is what a buyer's solicitor asks for later.

We make the application, give the notices, book the inspections and submit the completion notification. One point of contact covers the strip out, the structural work, the plumbing, the tiling and the sign off.

  • Freestanding and built-in bath installation
  • Soil pipe and waste re-routing within the floor build-up
  • Niches, benches and recessed storage formed in the wet area
  • Floor strengthening before large-format tiles or stone
  • Walk-in showers and wet-room installation
Service areaChesham · HP5
Local authorityBuckinghamshire Council
Part ofBuckinghamshire · about 18 miles from our base
Typical homesA Victorian market town core with interwar and postwar estate housing
Also covered nearbyAmersham, Berkhamsted, Tring, Beaconsfield and Hemel Hempstead

The GS Renovation Difference in Chesham

A bathroom is decided by where the waste can go, and that is worth knowing before any tile is chosen. We survey the existing stack, the fall and the vent, confirm what the floor structure will take, and set the layout around those answers rather than around a showroom drawing. Where the work is notifiable, we coordinate the building control application, the inspections and the completion notification, so the certificate exists when a solicitor eventually asks for it. One point of contact covers the strip out, the first fix, the tanking, the tiling and the making good. GS Renovation Ltd is fully insured, registered in England, company number 14611254, and quotations are free and without obligation.

  • Neighbours given notice before the noisy stages
  • Tile setting out planned so cuts land where they are not seen
  • The shortest sensible downtime where it is the only bathroom
  • Honest updates if a date or a detail has to move
  • Dust screens and floor protection in occupied homes
  • 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
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★★★★★ 4.9 average from 31 verified reviews on MyBuilder

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Saaid is the best craftsman I have worked with. He knows what he is doing from the very beginning. He has a great knowledge of construction…
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The kitchen has been fitted to the high standard. Saaid was polite, professional, tidy, he pays attention to a little details that make huge…
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George always kept to commitments and arrived on time. He offered helpful suggestions during his initial visit and promptly provided a reasonably…
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FAQ

Frequently Asked Questions about Bathroom Renovation Chesham

Do you charge for a survey before quoting bathroom renovation in Chesham?

No. The survey is free and carries no obligation, whether the property is in Chesham or over in Amersham. We look at the HP5 address, explain what bathroom renovation would involve in a home of that age, and follow up with a written quotation. If you decide against it, GS Renovation does not chase you. That applies right across Chesham and the rest of Buckinghamshire, so ring 07472 424 226 whenever it happens to suit. 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.

Can an en suite be added to a three bedroom house?

Where the waste can reach the stack and the floor will carry the load, yes. Three bedroom homes are the largest group in Chesham, at 3,766 of the 9,394 households recorded in the 2021 census bedroom count. The limits are the joist direction, the depth available for a fall, and where the soil stack already runs. Notching joists to win that fall is structural work, so the engineer decides it.

Can a wet room be formed on a suspended timber floor?

It can, with the floor structure altered to take a level deck and the tanking carried up the walls. Terraced houses accounted for 2,551 of the 9,395 Chesham households counted in 2021, and an upstairs floor in a terrace is timber. Lowering a deck means altering joists, which is the engineer's decision rather than the tiler's. We settle the build up and the fall before sanitaryware is chosen.

Does a new soil pipe on the front of the house need consent?

It can, where the house stands in the Chesham Conservation Area or is listed. That conservation area is numbered T10, designated in 1970 under the Civic Amenities Act 1967 and amended by Chiltern District Council in 1987. A new pipe on a street facing elevation is a visible change, and the Chesham Design Code sets what those elevations may be built in. Where a run can go to the rear instead, it does.

The new ground floor bathroom needs the floor dug out for drainage. What is under it?

In the valley bottoms it can be Head. The British Geological Survey maps Head deposits at Lowndes Park, in Newtown and along the Ashley Green Road side of Chesham, and describes Head as poorly sorted and poorly stratified angular rock debris, or clayey hillwash and soil creep. Cutting a drainage run through that is not the same as cutting one in chalk, and it changes how the floor is reinstated.

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