Range from the cheapest single storey extension £40,600 (GIBSON BUILDERS & CONTR LTD based in NE71) to the dearest single storey extension £54,680 (K B Surveying based in NE65).
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 Chathill by posting a job with HaMuch and we will send it to extension builders in Chathill.

| Business name | Single storey extension cost |
|---|---|
| GIBSON BUILDERS & CONTR LTD, Wooler , NE71 | £40,600 |
| K B Surveying, Northumberland, NE65 | £54,680 |
| Smailes Construction Ltd, The Fourways 2, 6 Dilston Terrace, Amble, Northumberland, NE65 | £53,400 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Ashington | £37 | £235 |
| Single Storey Extension near Blyth | £36 | £242 |