Extension builder estimates (based on hourly rates) to build a single storey extension in Henfield
Range from the cheapest single storey extension £42000 (JG Brickwork Services Limited based in RH15) to the dearest single storey extension £50000 (RJ's Carpentry Construction based in RH15).
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 Henfield by posting a job with HaMuch and we will send it to extension builders in Henfield.
Estimates for common extension builder jobs in Henfield;
| Job | Estimate |
| Underpinning a house | £17240 |
| Build a two storey extension | £87611 |
| Build a timber frame extension | £25740 |
| Install a swimming pool | £80740 |
| Cost to build a single storey extension | £44810 |
| Cost to build a side return extension | £34580 |
| Install an RSJ | £1940 |
| Build an outbuilding | £9740 |
| Build a mansard loft conversion | £51740 |
| Cost of a loft conversion | £31317 |
| Build a kitchen extension | £41740 |
| Build a hip to gable loft conversion | £41740 |
| Build a granny annexe | £86740 |
| Build a garden office | £9740 |
| Convert a garage | £15740 |
| Build a new garage | £18240 |
| Build a flat roof extension | £21740 |
| Build a dormer loft conversion | £41740 |
| Lay a concrete foundation | £5990 |
| Convert a bungalow loft | £28740 |
| Basement conversion cost | £34580 |