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 NE66 by posting a job with HaMuch and we will send it to extension builders in NE66.

| Business name | Single storey extension cost |
|---|---|
| K B Surveying, Northumberland, NE65 | £54,680 |
| Smailes Construction Ltd, The Fourways 2, 6 Dilston Terrace, Amble, Northumberland, NE65 | £53,400 |
| GIBSON BUILDERS & CONTR LTD, Wooler , NE71 | £40,600 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Ashington | £37 | £235 |
| Single Storey Extension near Blyth | £36 | £242 |
| Single Storey Extension near Cramlington | £31 | £221 |
| Single Storey Extension near Whitley Bay | £33 | £227 |
| Single Storey Extension near Longbenton | £29 | £204 |
| Single Storey Extension near North Tyneside | £30 | £216 |
| Single Storey Extension near Tynemouth | £30 | £219 |
| Single Storey Extension near Wallsend | £30 | £211 |