Extension builder estimates (based on hourly rates) to build a single storey extension in Sidmouth
Range from the cheapest single storey extension £30800 (RIDGE ROOF & BLDNG MAINT LTD based in EX14) 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 Sidmouth by posting a job with HaMuch and we will send it to extension builders in Sidmouth.
Estimates for common extension builder jobs in Sidmouth;
| Job | Estimate |
| Underpinning a house | £17052 |
| Build a two storey extension | £87328 |
| Build a timber frame extension | £25552 |
| Install a swimming pool | £80552 |
| Cost to build a single storey extension | £41040 |
| Cost to build a side return extension | £32460 |
| Install an RSJ | £1752 |
| Build an outbuilding | £9552 |
| Build a mansard loft conversion | £51552 |
| Cost of a loft conversion | £29550 |
| Build a kitchen extension | £41552 |
| Build a hip to gable loft conversion | £41552 |
| Build a granny annexe | £86552 |
| Build a garden office | £9552 |
| Convert a garage | £15552 |
| Build a new garage | £18052 |
| Build a flat roof extension | £21552 |
| Build a dormer loft conversion | £41552 |
| Lay a concrete foundation | £5802 |
| Convert a bungalow loft | £28552 |
| Basement conversion cost | £32460 |