Range from the cheapest single storey extension £47,000 (THOMPSON BUILDERS based in HU18) to the dearest single storey extension £55,000 (J S ROOFING & GUTTERING LIMITED based in YO25).
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 Carnaby by posting a job with HaMuch and we will send it to extension builders in Carnaby.

| Business name | Single storey extension cost |
|---|---|
| Roof Force Roofing Specialists Limited, 104 St. Johns Street,, Bridlington, Engl, YO16 | £49,400 |
| Room at the Top Loft Conversions, Bridlington, YO16 | £48,120 |
| NORCON CONSTRUCTION LTD, Filey, YO14 | £48,600 |
| J S ROOFING & GUTTERING LIMITED , Yorkshire, YO25 | £55,000 |
| THOMPSON BUILDERS, Hornsea, HU18 | £47,000 |
| Manor Farm Contractors, East Riding Of Yorkshire, YO25 | £47,480 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Bridlington | £28 | £211 |
| Single Storey Extension near Scarborough | £24 | £190 |
| Single Storey Extension near Beverley | £24 | £187 |
| Single Storey Extension near East Riding | £24 | £187 |
| Single Storey Extension near Hull | £25 | £195 |
| Single Storey Extension near Willerby | £25 | £193 |
| Single Storey Extension near Goole | £24 | £196 |