Extension builder estimates (based on hourly rates) to build a single storey extension in EX24
Range from the cheapest single storey extension £34000 (MAPLEWOOD PROPERTY MAINTENANCE based in TA21) to the dearest single storey extension £75280 (Ashlar Historic Building Repairs based in DT6).
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 EX24 by posting a job with HaMuch and we will send it to extension builders in EX24.
Estimates for common extension builder jobs in EX24;
| Job | Estimate |
| Underpinning a house | £17223 |
| Build a two storey extension | £87585 |
| Build a timber frame extension | £25723 |
| Install a swimming pool | £80723 |
| Cost to build a single storey extension | £44464 |
| Cost to build a side return extension | £34386 |
| Install an RSJ | £1923 |
| Build an outbuilding | £9723 |
| Build a mansard loft conversion | £51723 |
| Cost of a loft conversion | £31155 |
| Build a kitchen extension | £41723 |
| Build a hip to gable loft conversion | £41723 |
| Build a granny annexe | £86723 |
| Build a garden office | £9723 |
| Convert a garage | £15723 |
| Build a new garage | £18223 |
| Build a flat roof extension | £21723 |
| Build a dormer loft conversion | £41723 |
| Lay a concrete foundation | £5973 |
| Convert a bungalow loft | £28723 |
| Basement conversion cost | £34386 |