Range from the cheapest single storey extension £39,000 (L.M Landscapes & Driveways based in Tw15) to the dearest single storey extension £54,360 (GDC Design & Build based in TW19).
Comparing extension builders estimates for fitting a downstairs toilet gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to build a single storey extension in Stanwell by posting a job with HaMuch and we will send it to extension builders in Stanwell.

"Single storey extension"
SHEPPERTON
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Staines-upon-Thames | £36 | £231 |
| Single Storey Extension near Egham | £36 | £227 |
| Single Storey Extension near Sunbury-on-Thames | £37 | £242 |
| Single Storey Extension near Windsor & Maidenhead | £36 | £238 |
| Single Storey Extension near Windsor | £36 | £238 |
| Single Storey Extension near Slough | £36 | £238 |
| Single Storey Extension near Hounslow | £37 | £243 |
| Single Storey Extension near New Haw | £37 | £236 |
| Single Storey Extension near Walton-on-Thames | £37 | £238 |
| Single Storey Extension near Hillingdon | £56 | £240 |