Bathroom Renovation Addiscombe
Bathroom and wet-room refurbishment in Addiscombe, 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 renovates bathrooms across Addiscombe, fitting them into the closet wings and box rooms of the Victorian and Edwardian terraces that line many of Addiscombe's streets. We handle the waterproofing, drainage, tiling and heating, turning dated or awkward period bathrooms into wet rooms, en-suites and well-planned family bathrooms.
In Addiscombe, 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 Addiscombe: 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.
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How the job runs
- Free design visit at your Addiscombe 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.
Waterproofing and wet rooms in Addiscombe
Many Addiscombe bathrooms sit in the rear closet wing, often over a single-storey structure with solid walls and older joists. Getting the waterproofing right matters here, so before a single tile goes on we tank the walls and floor, forming a continuous membrane that protects the fabric of the terrace from leaks and long-term damp.
For a walk-in shower or a full wet room we set the drainage falls correctly and, on a suspended timber floor, reinforce and level it to take the finish. Ventilation is planned in from the start with proper extraction, because these period rooms hold moisture. The result is a watertight bathroom that copes with daily family use without the damp problems older CR0 bathrooms often develop.
Housing in Addiscombe
The stock in Addiscombe runs to roughly 11,740 dwellings, 45% of them flats and 55% houses, built 52% before 1919, 21% between 1919 and 1939 and 27% after 1945. 41% of homes here are terraced; a terrace bathroom in Addiscombe vents front, back or up, never into a party wall.
Box room bathrooms and closet wing refits in Addiscombe
Croydon states that building control approval is not needed for refurbishing an existing bathroom or toilet, and it lists installing a new bathroom among the minor works a building notice is aimed at. In an Addiscombe terrace the existing bathroom is often at the back, over the kitchen in the closet wing, and a refit there is the first kind of job. Turning the small front bedroom over the hall into a second bathroom is the second kind, so the notice goes in before any pipe is run.
The box room is a harder place for a bathroom than it looks. It sits at the front while the soil stack is at the back, and the waste has to cross the house between joists that may run the wrong way for it. A toilet there needs a proper fall to the stack or a new stack, and a macerator is accepted only where another toilet in the house drains by gravity. In a house built before 1919, and 52% of Addiscombe homes were, a full bath also needs joists that can carry it, which the survey checks.
Space-saving bathrooms for CR0 period homes
Space is tight in an Addiscombe terrace, and a bathroom off the closet wing rarely has an inch to spare. We plan the layout carefully, using wall-hung sanitaryware, compact and back-to-wall units and clever storage to make a small room feel generous while keeping it fully usable. Underfloor heating frees up the wall space a radiator would have taken.
En-suites are a frequent request, often carved out of a corner of a main bedroom to serve a growing family. We route the drainage back to the existing stack, upgrade the ventilation and tile throughout, and where new circuits or circuits in the zones around the bath or shower are altered, the work is notifiable under Part P and certified by a registered electrician or notified to building control. Small period spaces are exactly where careful planning pays off.
- Drainage falls set to the gully in wet rooms
- Wall and floor tiling in stone, porcelain or mosaic
- Complete bathroom design and planning
VOA Council Tax stock of properties, March 2025, for Addiscombe North, Addiscombe East and Addiscombe West. Counts rounded by the VOA.
Why Addiscombe Homeowners Choose GS Renovation
Addiscombe homeowners choose GS Renovation for bathrooms because we get the parts you cannot see right first, the tanking, the drainage falls and the ventilation, before the tiling and fittings go on. We are used to fitting bathrooms and en-suites into the tight closet wings of CR0 terraces, with electrics certified by a registered electrician and neat, watertight work backed by our founder's 30+ years on the tools.
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…
Saiid did a complete refurbishment of our small bathroom. This involved ripping out the existing bath/shower, basin, toilet, pipework, and tiles and…
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 Addiscombe
How much should an Addiscombe homeowner set aside for bathroom renovation?
An Addiscombe homeowner should set aside the scoped figure for bathroom renovation, typically within £6,000 to £20,000 or more (indicative), plus an allowance for the unseen. GS Renovation prices what the CR0 survey shows and names what could change once the structure of a bay-fronted Victorian home is opened. The cost of Part P certification for any new circuit or work in the bath and shower zones belongs in the same budget.
Can you fit a wet room in the closet-wing bathroom of my Addiscombe terrace?
Yes. Closet-wing bathrooms are a typical spot for a wet room in Addiscombe. On a period suspended floor we reinforce and level the structure, tank the walls and floor to form a continuous waterproof membrane, set the drainage falls and add proper ventilation. Then we tile throughout and can include underfloor heating to save wall space in the tight footprint.
Can I add a bathroom in the loft of my Addiscombe house?
Yes, if the drainage can reach the soil stack. A loft bathroom in an Addiscombe terrace needs its waste to fall down to the existing stack, usually on the rear wall, so the room is best placed above it. Hot water pressure at the top of the house also needs checking, and the joists may need strengthening.
What if my Addiscombe bathroom is above a neighbour's flat?
Then any leak ends up in their ceiling, so the details matter more. Shower areas are tanked before any tile goes on, the waste gradient is fixed before the tray is bedded, and joints stay reachable behind an access panel. Flats make up 45% of Addiscombe homes, and the lease commonly asks for the freeholder's consent to bathroom changes, since a leak or a blocked stack affects the whole building.
Can I have electric underfloor heating in my Addiscombe bathroom?
Yes, laid under the tiles on a suitable base. It runs off a dedicated protected circuit, certified by a registered electrician under Part P. The mat goes down after the floor is boarded and before tiling, with a floor sensor wired to the thermostat. Over a timber floor in an Addiscombe house, the boards must be stiff enough not to crack tiles.
How long does an Addiscombe bathroom refit take?
Usually 10 to 15 working days. The sequence is fixed: strip-out, first fix plumbing and electrics, any floor repairs, then tanking in wet areas, which must be allowed to cure before tiling. Sanitaryware, taps and the extractor are connected last. Addiscombe households with one bathroom should plan where to wash for most of that period.
How are the Croydon inspections for a new Addiscombe bathroom booked?
Online, once a valid building notice is in, and each visit must be booked at least 2 working days in advance. Inspections run between 10:30am and 3:30pm on weekdays only. For a new bathroom in an Addiscombe house the drainage is seen before the floor goes back, so the plumber's first fix is planned around the booked slot. A tiler arriving before that visit means lifting finished work.
Does a new bathroom floor in an Addiscombe flat need sound insulation?
Not by regulation for a refit, but it is the moment to add it. The sound rules apply to new flats and conversions, not to replacing a bathroom in an existing one. 45% of Addiscombe homes are flats, though, and in a converted house the floor between flats is often thin. With the boards up anyway, mineral wool between the joists and a heavier deck under the new floor cut the noise of a flushing toilet reaching the neighbour.
Could an old Addiscombe house still have lead water pipes worth replacing?
It could. 52% of Addiscombe homes were built before 1919, long before lead supply pipes stopped being fitted. Look where the main enters the house, usually under the kitchen sink or the hall floor: lead is dull grey, soft and joined with swollen wiped joints. A bathroom refit is a sensible moment to replace the internal run, and the water supplier can advise on the pipe outside the boundary.
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