Extension builder estimates (based on hourly rates) to build a single storey extension in CV1
Range from the cheapest single storey extension £30800 (SOS Home Improvements Ltd based in CV32) to the dearest single storey extension £42480 (Oakwood Construction based in CV4).
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 CV1 by posting a job with HaMuch and we will send it to extension builders in CV1.
Estimates for common extension builder jobs in CV1;
| Job | Estimate |
| Underpinning a house | £17011 |
| Build a two storey extension | £87267 |
| Build a timber frame extension | £25511 |
| Install a swimming pool | £80511 |
| Cost to build a single storey extension | £40227 |
| Cost to build a side return extension | £32003 |
| Install an RSJ | £1711 |
| Build an outbuilding | £9511 |
| Build a mansard loft conversion | £51511 |
| Cost of a loft conversion | £29169 |
| Build a kitchen extension | £41511 |
| Build a hip to gable loft conversion | £41511 |
| Build a granny annexe | £86511 |
| Build a garden office | £9511 |
| Convert a garage | £15511 |
| Build a flat roof extension | £21511 |
| Build a dormer loft conversion | £41511 |
| Lay a concrete foundation | £5761 |
| Convert a bungalow loft | £28511 |
| Basement conversion cost | £32003 |