Luxury bathroom and wet-room refurbishment in Hemel Hempstead. Trusted, professional, 30+ years' hands-on experience.
GS Renovation fits bathrooms in Hemel Hempstead, from a same layout replacement to moving the room to a different part of the house. The tiling and the sanitaryware are the visible part. Where the waste runs, how it vents and what consents apply are the parts that decide whether the room works in five years.

Moving a bathroom is a drainage job first. Thames Water requires a build over agreement if you build within 1 metre of a public lateral drain. It does not permit internal manholes either, so a manhole that would end up inside a new footprint has to be relocated. Where the new bathroom sits in a small rear addition or over a drain run, that is settled before anything is ordered.
Inside the house the constraint is fall and access. A soil pipe needs enough fall to reach the stack, and a concealed waste still needs a way to be rodded. We set the pipework out first, test it, then board, tank and tile over it. Working the other way round is how a new bathroom gets opened up again six months later.
A new pipe on that elevation needs planning permission. In the Hemel Hempstead conservation area, installing, altering or replacing a chimney, flue or soil vent pipe on a wall or roof slope that fronts a highway and forms the principal or side elevation requires planning permission. Moving a bathroom to the front of the house can trigger that, and so can replacing an existing pipe on the same wall.
Outside the conservation area boundary the position is different, and the pipe is a Building Regulations matter. We check which applies at survey rather than at the point the scaffold arrives. Where permission would be needed, an internal soil stack is worth pricing as the alternative before any application is made.
On a bathroom we treat the first fix as the important part. Drainage, ventilation, electrical zones and waterproofing are set out and tested before anything is tiled, because every one of those is buried by the finish and expensive to reach afterwards. The same team does the plumbing, the electrics, the plastering and the tiling, so the falls and the setting out are agreed once. We are fully insured, we work clean in an occupied house, and quotations are free and carry no obligation.
Really happy with the quality of remedial works carried out by George in putting other previous tradesman work right. He was very helpful, honest and…
George is a very hard working builder, and has done a fantastic job on replacing my Bathroom. His attention to detail was great and I wouldn't…
He was very very good. He just got on with the job and we was beey pleased with the result. He Also cleaned everything away when he finished. Will…
FAQ
Very, and deliberately so. Quoting bathroom renovation low to win a Hemel Hempstead job and correcting it later is the commonest complaint homeowners have about builders, and it is not how GS Renovation operates. We survey the HP1 address, itemise, and stand behind the total. Anything genuinely unforeseen is costed and agreed before further work. Ring 07472 424 226 and ask GS Renovation for the HP1 breakdown before you compare it with another Hemel Hempstead quotation for bathroom renovation. 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.
The floor structure decides it. A bath, a screed and a tiled floor weigh a great deal more than a carpeted bedroom, so the joists, their span and their condition are checked before a layout is fixed. Where the existing structure will not take it, the engineer designs the strengthening. That work is notifiable, and Hertfordshire Building Control on 01438 879990 inspects it, as Dacorum does not run its own service.
Not into the frame itself without the engineer's agreement. The character statement records timber framed dwellings in the Old Town from the late 15th century to the early 18th century. It records that exposed framing is rare, frames having been modernised with the addition of 18th or 19th century brick skins. A chase can therefore land in structure rather than infill. Surface routes, boxing or a service void are the alternatives we price.
It can be, but a gravity run is designed for first. A waste with enough fall to the stack, and rodding access kept, is what we set out and test before anything is boarded, tanked or tiled. Where the layout will not allow it, the pumped installation forms part of the notifiable work inspected by Hertfordshire Building Control on 01438 879990, so it is declared rather than buried quietly.
Only a survey of the joists answers that. Housebuilding at Bennetts End began in 1951, and a filled cast iron bath concentrates a heavy load on a small area of floor. We lift boards, measure the joists and their span, and check their condition and any earlier notching. Where strengthening is needed the engineer designs it, and Hertfordshire Building Control on 01438 879990 inspects structural work of that kind.
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 Hemel Hempstead. Explore what else we do locally:
Same Service, Nearby Areas
We carry out bathroom renovation across Hemel Hempstead and the surrounding areas. Explore a nearby location:
Free, no-obligation quote for bathroom renovation in Hemel Hempstead. Rated 4.9 from 31 reviews on MyBuilder, fully insured, and building control handled for you.