- Postcode districts
- SM1, SM5, SM6
- Nearby
- Sutton, Mitcham and Morden
- Guide price
- £550–£4,400
- Typical time on site
- half a day to 3 days
- Water
- Very hard across most of Greater London
- Survey
- Free, at your home
What does a new shower cost in Carshalton?
In Carshalton, a new shower typically costs £550–£4,400 including VAT, based on London prices. We adjust the national guide for London, where prices are typically about 25% above the UK average. The figure depends on the size of the room, whether anything moves, and the products you pick.
Shower swap
- Existing supply and position
New shower over bath
- Tiling the bath surround
New shower with enclosure
- Tray, enclosure and valve
Guide prices for Carshalton including VAT. Your itemised written quote after the free survey is the price that counts.
Working in Carshalton
We work right across Carshalton — SM1, SM5 and SM6 — and in neighbouring Sutton and Mitcham.
In Carshalton, many bathrooms are in flats or converted houses, so we check lease consents, access and the floor below before we price. If the shower in your Carshalton home swings between hot and cold, a thermostatic valve is usually the fix. If you want a shower in your Carshalton home that works when the boiler is off, an electric shower is worth considering, as long as the consumer unit can take the circuit.
Most of Greater London has very hard water. If your supply in Carshalton is the same, limescale on shower glass and heads is a real issue: easy-clean glass, rub-clean nozzles and a squeegee make a big difference. Hardness varies street by street, so check the figure for your postcode with your water supplier.
What the job includes
- Removal of the old shower, a full-flow test and a handover on isolating and descaling it
- A bath screen, tray or enclosure where the shower is new
- For an electric shower, a check of the consumer unit and whether a new dedicated circuit is needed
- A check of your hot-water system, water pressure and flow rate
Decisions to make first
Electric shower
Heats cold mains water as it flows, so it works without stored hot water. Higher kW units give more flow; 8.5 to 10.5 kW models need a dedicated circuit, often 40 to 45 amps.
Exposed or concealed
An exposed bar valve fixes onto the tiles and is easy to service. A concealed valve sits in the wall for a cleaner look but needs careful setting-out and a plan for access.
Rules that apply in England
In England, an electric shower usually needs its own dedicated circuit, often 40 to 45 amps for an 8.5 to 10.5 kW unit, and a new circuit is notifiable under Part P. The Part G limit of 48 °C applies to a new bath in a new dwelling or one created by change of use, not to a shower, but a thermostatic valve gives similar protection. An unvented cylinder fitted to improve the shower must be installed by a G3-qualified installer.
