- Postcode districts
- KT4, SM1, SM2, SM3, SM5, SM6
- Nearby
- Banstead, Ewell and Epsom
- Guide price
- £8,100–£16,250
- Typical time on site
- 6–12 working days
- Water
- Very hard across most of Greater London
- Survey
- Free, at your home
What does a loft bathroom cost in Sutton?
In Sutton, a loft bathroom typically costs £8,100–£16,250 including VAT, based on London prices. Prices in London run at about 25% above the national guide, mainly because of labour rates. The figure depends on the size of the room, whether anything moves, and the products you pick.
Refit
- Shower, basin and WC replaced
Signature
- Pump or macerator where needed
New loft bathroom
- Formed in an existing loft room
Guide prices for Sutton including VAT. Your itemised written quote after the free survey is the price that counts.
Working in Sutton
As well as Sutton itself (KT4, SM1, SM2 and 3 more postcode districts), we survey in Banstead, Ewell and Epsom.
London homes in Sutton often mean stairs, permits and neighbours below; we plan the logistics as carefully as the bathroom. We plan loft bathrooms in Sutton around the roof line, so the shower sits where you can stand and the eaves become storage. If your Sutton loft shower is weak or the waste drains slowly, the fix is often in the pump or the pipe fall rather than the shower itself.
Supplies across most of Greater London are very hard. If your supply in Sutton 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
- A survey of the headroom across the room, with the usable height marked at each fitting position
- A check of your hot-water system and of the pressure and flow you actually get at loft level
- A shower pump on a gravity system, an electric shower, or advice on moving to mains pressure, depending on your system
- Fitted furniture made to the eaves, so the low space behind the slope becomes storage
Decisions to make first
Gravity or pumped waste
Gravity is silent and maintenance-free. A pumped waste or macerator lets fittings sit away from the stack, provided the house has a WC on gravity drainage elsewhere.
Roof window
A roof window over the bath or shower brings daylight and fresh air, but plan the blind for privacy and expect condensation on cold glass.
Rules that apply in England
In England, new drainage and a new connection to the soil stack fall under Part H, a new bathroom needs extract of 15 litres per second intermittent or 8 litres per second continuous under Approved Document F, and new circuits are notifiable under Part P. If the work includes an unvented hot-water cylinder, it must be fitted by a G3-qualified installer.

