- Postcode districts
- SM1, SM5, SM6
- Nearby
- Sutton, Mitcham and Morden
- Guide price
- £5,600–£10,500
- Typical time on site
- 5–8 working days
- Water
- Very hard across most of Greater London
- Survey
- Free, at your home
What does a small bathroom cost in Carshalton?
As a guide, budget £5,600 to £10,500 including VAT for a small bathroom in Carshalton; your written quote will pin it down. Labour costs in London put local prices at about 25% above the UK guide figure. The figure depends on the size of the room, whether anything moves, and the products you pick.
Essential
- Tiling to wet areas
Signature
- Walk-in shower in place of bath
Bespoke
- Recessed niches and concealed storage
Guide prices for Carshalton including VAT. Your itemised written quote after the free survey is the price that counts.
Working in Carshalton
In Carshalton we cover SM1, SM5 and SM6; we also cover Sutton, 1.9 miles away, 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 nobody in your Carshalton home has used the bath in years, we can price a walk-in shower layout next to a shorter bath so you can compare. We measure small bathrooms in Carshalton to the centimetre before quoting, because 50 mm can decide whether a larger tray fits.
Water across much of Greater London is very hard. We plan easy-clean glass, rimless toilets and finishes that do not show limescale. Hardness varies street by street, so check the figure for your postcode with your water supplier.
What the job includes
- Two or three layout options, each priced, so you can compare keeping the bath with a walk-in shower
- Shorter, narrower or shower baths where a full 1700 mm bath does not sit well
- Space-saving sanitaryware: a short-projection or wall-hung WC and a compact or semi-recessed basin
- Boarding, tanking and tiling, with larger tiles where they suit the walls to cut down grout lines
Decisions to make first
Storage
Recess shelves into stud walls or boxing, put a mirror cabinet over the basin and use the wall above the WC. Avoid floor-standing units in very tight rooms.
WC type
A short-projection close-coupled WC sits closer to the wall than a standard pan. A wall-hung WC on a concealed frame shows the floor beneath it and is easier to clean around.
Rules that apply in England
In England, changes to the wiring in a room with a bath or shower are notifiable under Part P, so use an electrician registered with a competent person scheme. If you replace the extractor fan, do not fit one that extracts less than the old one; Approved Document F gives 15 litres per second for an intermittent bathroom fan.

