Range from the cheapest single storey extension £39,000 (Turner Trades based in RG30) to the dearest single storey extension £63,000 (Inspiral based in RG30).
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 RG4 by posting a job with HaMuch and we will send it to extension builders in RG4.

"Single storey extension. Adding second storey to side extension."
RG9
"Single storey extension"
RG10
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Caversham | £33 | £229 |
| Single Storey Extension near Reading | £36 | £230 |
| Single Storey Extension near Woodley | £37 | £232 |
| Single Storey Extension near Wokingham | £35 | £241 |
| Single Storey Extension near Bracknell Forest | £35 | £248 |
| Single Storey Extension near Bracknell | £36 | £248 |
| Single Storey Extension near Maidenhead | £36 | £236 |
| Single Storey Extension near Sandhurst | £35 | £242 |
| Single Storey Extension near South Oxfordshire | £32 | £229 |
| Single Storey Extension near Wycombe | £34 | £234 |