Bathroom Renovation Orpington
Bathroom and wet-room refurbishment in Orpington, tanked, plumbed and tiled by one team.
- Rated 4.9 from 31 reviews on MyBuilder
- London guide: £6,000 to £20,000+
- 10 to 15 working days on site
- Free design visit, itemised quote
GS Renovation creates bathrooms, en-suites and wet rooms throughout Orpington, working within the practical dimensions of the area's 1930s and post-war semis and bungalows. We handle the waterproofing, drainage, tiling, heating and fit-out so your new bathroom looks precise and, more importantly, stays watertight for the long term.
In Orpington, 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 Orpington: we carry the tanking, plumbing and tiling as one contract, with the electrics certified by a registered electrician.
Price guide
| Work | Indicative London range |
|---|---|
| Bathroom renovation, full refit | £6,000 to £20,000+ |
Indicative London ranges (MyBuilder and Checkatrade, 2026), not a quotation. Prices checked September 2026. Full breakdown: Bathroom Renovation Cost.
Quick estimate for Orpington
Orpington range: choose above
How the job runs
- Free design visit at your Orpington home and an itemised quote.
- Strip-out, then first-fix plumbing and electrics.
- Tanking to the wet areas, then tiling.
- Sanitaryware and second fix, with notifiable electrics certified by a registered electrician. Typically 10 to 15 working days on site.

Wet rooms and waterproofing in Orpington
A lasting bathroom starts with what you cannot see. Before any tile is laid, we tank and waterproof the walls and floor so moisture never reaches the structure of your Orpington home. This matters especially in wet rooms and walk-in showers, where water is not contained by a tray. We form falls to the drain, seal every junction and only then move on to the finishes.
Correct drainage and ventilation are just as important in these houses. We set waste runs to the right falls, upgrade extraction to clear humidity, and specify materials that suit a room in constant use. Underfloor heating warms the floor and helps surfaces dry quickly, while carefully planned tiling and lighting turn a purely functional room into a calm, well-finished space.
Housing in Orpington
The Council Tax list puts Orpington at about 10,530 homes, 17% flats against 83% houses; 6% went up before 1919, 39% between the wars and 55% after 1945. A semi in Orpington can vent its bathroom through the flank, and 33% of homes here are semi-detached.
A second bathroom in an Orpington semi starts with the drainage
An extra bathroom or en-suite on the first floor of an Orpington semi is mainly a drainage question. The new WC has to reach a soil stack, and a house of the 1930s was typically built with one bathroom and one stack placed for it. Where the new room sits on the other side of the house, the choices are a long run under the floor, which the joists may not allow at the fall needed, a new external stack, or a macerator. The first two are drainage work under the building regulations, so Bromley needs a full plans application or a building notice, the notice deposited at least two days before work starts.
A new stack on the outside follows the wall below it, and on a semi-detached or detached house, 51% of the Orpington stock, the flank wall can be the only clear route. Before the room is designed, check where the underground drain runs and whether a new connection or inspection chamber is needed, because that decides whether the ground floor and the side path are dug up too. We draw the full route from WC to drain at survey, so the bathroom layout is fitted to a drainage run that works rather than the other way round.
En-suites and space-saving layouts across BR6
Original bathrooms in Orpington's 1930s semis are often modest, and the landing or a spare bedroom corner can offer room for a new en-suite. We plan compact layouts that fit a shower, basin and WC without feeling cramped, routing new drainage and water supplies discreetly through the existing structure and coordinating any minor structural adjustments under building regulations.
In these 1930s houses the trick is making every centimetre earn its place. Wall-hung sanitaryware, recessed niches and slim shower enclosures free up floor space and light, while considered tiling makes a small room feel larger. Bathroom electrics such as extractor fans, heated towel rails and shaver points are notifiable when they add a circuit or sit in a shower zone, and a registered electrician certifies that work as part of a complete, ready-to-use bathroom.
- Underfloor heating and heated towel rails
- Bespoke vanity units and storage
- Drainage falls set to the gully in wet rooms
VOA Council Tax stock of properties, March 2025, for Orpington West, Orpington East and Orpington South. Counts rounded by the VOA.
The GS Renovation Difference in Orpington
Orpington homeowners choose GS Renovation for bathrooms because we get the hidden work right, from tanking and drainage to compliant electrics, before the finishes go on. Our founder's 30+ years on the tools means we know how to fit modern wet rooms and en-suites into 1930s and post-war layouts. One team handles waterproofing, tiling, heating and fit-out, so nothing is left half done.
My husband and I are extremely pleased with the work. The standard of the work is outstanding and Saiid has a great eye for detail and will not leave…
Excellent service. George's knowledge and skills are the best in the market. He knows what he is doing, does really high quality work, gives good…
George was brilliant. Lovely bloke, very reasonably priced and a perfectionist to boot. He completed our small kitchen renovation with care and great…
FAQ
Frequently Asked Questions about Bathroom Renovation Orpington
What is included in your bathroom renovation price in Orpington?
A GS Renovation price for bathroom renovation in Orpington includes everything needed to finish the work and get it signed off, within £6,000 to £20,000 or more (indicative). That covers labour, materials, any Part P electrical certificate, building regulations compliance for any new drainage, extraction or notifiable electrics, and making good. Anything uncertain at the BR6 property is flagged before starting rather than added later.
Can you fit a wet room in my 1930s Orpington house?
Yes. The key in an older Orpington home is thorough tanking and waterproofing, plus forming the right floor falls so water drains properly without a tray. We upgrade the drainage and ventilation, add underfloor heating if you wish, and tile to a high finish. New circuits and shower-zone work are notifiable under Part P and are certified by a registered electrician as part of the job.
How long will my Orpington bathroom renovation take?
Allow 10 to 15 working days. Within that, strip-out and first fix take the opening stretch, then boarding and tanking, then tiling and the suite. The tanking and grout both need drying time nobody can shortcut. If the house has a single bathroom, the plumber leaves a usable toilet overnight whenever the stage permits, and a ground-floor cloakroom, where one exists, takes the pressure off.
Can I add a downstairs shower room in my Orpington house?
Often, yes. A ground-floor shower room can connect directly to the drains outside, which is easier than upstairs. On a concrete floor, the slab may need cutting for the waste and shower drain. It needs extraction ducted outside under Part F and any new circuit or shower-zone work notifiable under Part P.
Can I remove the hot water cylinder from my Orpington bathroom?
Yes, if you switch to a combi boiler. The cylinder in the airing cupboard is no longer needed, freeing space. But a combi relies on mains pressure, so check the flow first. The boiler change is done by a Gas Safe engineer before the bathroom work.
Do Orpington bathroom walls need special boards before tiling?
In wet areas, yes. Tiles in a shower should go onto cement board or a purpose-made waterproof board, and that area is tanked before any adhesive goes on. Standard plasterboard softens if water gets behind the grout, and the tiles then loosen. In a 1930s house with old plaster, the shower walls are usually stripped back and reboarded rather than tiled over.
How does Bromley know a new Orpington bathroom has been inspected?
Through the stages in its acknowledgement letter, which the person undertaking the work must notify, and a completion inspection at the end. For a bathroom with new drainage the stage that matters is the pipework before the floor is closed, so the runs stay visible until it has been seen. Bromley cannot issue a Completion Certificate unless a Notice of Completion is submitted with the request for that final visit.
Can the bathroom in a newer Orpington house be moved across the landing?
Possibly, but the joists decide. 11% of Orpington homes were built in 2000 or later, and houses of that age may have engineered timber joists or metal web joists, which cannot be notched like sawn timber. Holes are only allowed in the zones the manufacturer sets, so a waste pipe crossing the landing may need to run parallel to the joists or be boxed below the ceiling. Lift a board and check before the layout is fixed.
What should an Orpington flat owner check before a bathroom refit?
The lease first. 17% of Orpington homes are flats, and a bathroom refit in one sits directly over someone else's ceiling. Check whether the lease needs the freeholder's consent to move sanitaryware or alter the waste, and whether it restricts hard floor finishes. Then plan the waterproofing under the tiles and around the tray as the main defence against a leak below, and confirm access to the shared stack for the connection.
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