Bathroom Renovation Hornchurch
Bathroom and wet-room refurbishment in Hornchurch, 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 Hornchurch, from family bathrooms in 1930s semis to new en-suites and wet rooms in interwar houses throughout RM11. We handle the waterproofing, drainage, ventilation, tiling and heating as a complete job, so the finished room is watertight and built to cope with daily use.
In Hornchurch, 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 Hornchurch: 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 Hornchurch
Hornchurch range: choose above
How the job runs
- Free design visit at your Hornchurch 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 tanking in Hornchurch homes
A wet room or a level-access walk-in shower is a popular upgrade in Hornchurch, whether to modernise a dated bathroom or to make one that works long term. These installations only succeed if the waterproofing is done properly, so we tank the floor and walls, form the falls to the drain and seal every junction before a single tile goes on. Skipping this stage is the usual cause of leaks in older houses.
Interwar houses often have solid or suspended timber floors that need the right build-up to take a wet room, along with drainage that has to be rerouted to suit the new layout. We upgrade extraction so moisture is removed rather than left to damage plaster, and the notifiable electrics for showers and heating are certified by a registered electrician under Part P. The result is a wet room that stays dry outside the shower zone.
Housing in Hornchurch
About 9,530 homes are listed for Hornchurch, and the mix is 75% houses to 26% flats, with 49% built after 1945, 48% in 1919 to 1939 and 3% earlier. 23% of homes here are terraced; a terrace bathroom in Hornchurch vents front, back or up, never into a party wall.
Extra bathrooms in a Hornchurch house meant for sharing
Some owners add an en-suite to each bedroom before letting a Hornchurch house by the room, and in Havering the change of use, rather than the bathrooms, can need planning permission before any plumbing. Havering has two Article 4 Directions on houses in multiple occupation. Outside the Brooklands, Romford Town, Heaton and Gooshays wards, one of them means turning a flat, terraced house or semi-detached house into a house in multiple occupation needs planning permission. In Hornchurch, 26% of homes are flats and 23% are terraced houses, and semis are named too, so check the ward and the planning position before the first en-suite is drawn.
More bathrooms also change the services behind them. A combination boiler serves one shower well and two poorly, so three or four en-suites generally point to a stored hot water cylinder and a check on the incoming main. Each new en-suite needs a waste route to the soil stack at a workable fall and an extract fan ducted to outside. Plan them as one layout in a Hornchurch house, stacking new rooms over each other where the floor plan allows, so the pipework shares a route instead of crossing every joist on the floor.
En-suites and space-saving layouts in RM11
Adding an en-suite to a Hornchurch bedroom, or reworking a small original bathroom, is largely a question of clever planning. In interwar houses we borrow space from a landing, an oversized bedroom or a redundant airing cupboard, then design the layout so the door, basin and shower do not fight each other. Wall-hung fittings and a slim shower enclosure free up floor space in a tight room.
We finish these rooms to last, with underfloor heating for warmth without a bulky radiator, quality tiling laid on properly prepared surfaces, and ventilation sized for the space. Plumbing and drainage are reworked to reach the new position, and the electrics are certified by a registered electrician under Part P. Because internal bathroom work needs no planning permission, the focus stays entirely on getting the waterproofing, layout and finish right for your specific house.
- Floor strengthening before large-format tiles or stone
- Ventilation and extraction ducted to outside
- Downstairs cloakroom and WC installation
VOA Council Tax stock of properties, March 2025, for Hornchurch, Emerson Park and Hylands. Counts rounded by the VOA.
Trusted Bathroom Renovation in Hornchurch
Hornchurch homeowners choose GS Renovation because we get the parts that fail hidden right, tanking, drainage and ventilation, before any tile is laid. We plan space-saving layouts for interwar rooms, install underfloor heating and have the electrics certified by a registered electrician. With our founder's 30+ years on the tools, you get a watertight bathroom finished by one reliable team.
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…
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…
George was very friendly and helpful from start to finish. He worked really hard to ensure our kitchen was installed to a high standard and was…
FAQ
Frequently Asked Questions about Bathroom Renovation Hornchurch
How do you price bathroom renovation in Hornchurch?
Pricing bathroom renovation for a Hornchurch property starts with an RM11 survey and ends with a written figure inside £6,000 to £20,000 or more (indicative). The key physical check comes first: soil stack distance decides where a Hornchurch WC can go. The quotation then splits into structure, services and finishes, with Part F extraction to outside, and Part P certification for any new circuit shown separately.
Can you fit a wet room in my 1930s Hornchurch house?
Yes. The key in an interwar Hornchurch house is proper tanking, correct floor build-up and reliable drainage, which we handle before tiling so the room stays watertight. We upgrade the extraction to remove moisture, reroute the waste to suit the layout, and the shower and heating electrics are certified by a registered electrician under Part P. No planning permission is needed for an internal bathroom, so we focus on getting the waterproofing right.
How long does a bathroom refit take in a Hornchurch house?
Usually 10 to 15 working days. The order is strip-out, then first fix with the waste falls set before any tray goes down, then boarding and tanking, then tiling, then second fix. Tanking needs time to cure before tiles go on, and that step cannot be hurried without risking leaks into the room below.
Where will the extractor fan in my Hornchurch bathroom vent to?
Outside, as Part F requires. A fan on an outside wall is the simplest route. An internal bathroom, or one with the fan in the ceiling, runs a duct across the loft to a soffit or roof vent. That duct is insulated where it passes through a cold loft, otherwise condensation runs back down into the fan.
What electrical rules apply to a Hornchurch bathroom?
The room is divided into zones around the bath and shower, which set what fittings and ratings may go where. A new shower circuit, electric underfloor heating or an extra lighting circuit is notifiable under Part P, and a registered electrician certifies it. Cables are placed at first fix, so the layout must be settled before boarding goes on.
What should I think about when renovating a bathroom in a Hornchurch flat?
The ceiling below belongs to someone else. Flats are about a quarter of Hornchurch homes, and a leak from your tray lands in a neighbour's room, so tanking and tested waste connections matter more. The soil stack is shared, and moving the toilet away from it may need the freeholder's written consent under the lease. Access for the stack connection is agreed first.
How far ahead must Havering hear about a Hornchurch bathroom that needs building control?
If the work goes in on a building notice, Havering asks for it at least 48 hours before work starts. A like for like refit needs none, but a bathroom where there was none, or a new connection to the soil stack or drain, brings building control in. Submit early enough for the surveyor to see the new drainage before it is boxed in and tiled, because that is the inspection most easily missed.
Where does the soil pipe run on a 1930s Hornchurch semi, and why does it matter?
On a 1930s semi the original soil pipe runs down an outside wall, where it may still be cast iron. An en-suite placed near that wall drains easily. One placed across the house needs a new branch through the floor void, and joists running the wrong way can block the fall. Check the joist direction and the condition of the stack before choosing the room, and replace any cracked cast iron section while access equipment is up.
Is a building notice the right route for a Hornchurch bathroom refit?
For bathroom work that needs building control at all, it usually is. Havering sees the building notice as suited to minor projects, including changes inside the home, and the charge matches the full plans route for the same work. A building notice has no formal plan approval, so drainage falls and the extract route are checked on site. New drainage near a public sewer needs full plans instead. Have the waste route marked on the floor before first fix, so the surveyor sees it before the boards go down.
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