Extension builder estimates (based on hourly rates) to build a single storey extension in East Devon
Range from the cheapest single storey extension £29200 (SUMNER CONSTRUCTION based in EX16) to the dearest single storey extension £50800 (Mew Developments Ltd based in DT7).
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 East Devon by posting a job with HaMuch and we will send it to extension builders in East Devon.
Estimates for common extension builder jobs in East Devon;
| Job | Estimate |
| Underpinning a house | £17033 |
| Build a two storey extension | £87300 |
| Build a timber frame extension | £25533 |
| Install a swimming pool | £80533 |
| Cost to build a single storey extension | £40662 |
| Cost to build a side return extension | £32248 |
| Install an RSJ | £1733 |
| Build an outbuilding | £9533 |
| Build a mansard loft conversion | £51533 |
| Cost of a loft conversion | £29373 |
| Build a kitchen extension | £41533 |
| Build a hip to gable loft conversion | £41533 |
| Build a granny annexe | £86533 |
| Build a garden office | £9533 |
| Convert a garage | £15533 |
| Build a flat roof extension | £21533 |
| Build a dormer loft conversion | £41533 |
| Lay a concrete foundation | £5783 |
| Convert a bungalow loft | £28533 |
| Basement conversion cost | £32248 |