Extension builder estimates (based on hourly rates) to build a single storey extension in WR5
Range from the cheapest single storey extension £38800 (Mr Fix Property Services based in WR2) to the dearest single storey extension £45840 (LCM Flat Roofing Ltd based in GL20).
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 WR5 by posting a job with HaMuch and we will send it to extension builders in WR5.
Estimates for common extension builder jobs in WR5;
| Job | Estimate |
| Underpinning a house | £17085 |
| Build a two storey extension | £87377 |
| Build a timber frame extension | £25585 |
| Install a swimming pool | £80585 |
| Cost to build a single storey extension | £41699 |
| Cost to build a side return extension | £32831 |
| Install an RSJ | £1785 |
| Build an outbuilding | £9585 |
| Build a mansard loft conversion | £51585 |
| Cost of a loft conversion | £29859 |
| Build a kitchen extension | £41585 |
| Build a hip to gable loft conversion | £41585 |
| Build a granny annexe | £86585 |
| Build a garden office | £9585 |
| Convert a garage | £15585 |
| Build a new garage | £18085 |
| Build a flat roof extension | £21585 |
| Build a dormer loft conversion | £41585 |
| Lay a concrete foundation | £5835 |
| Convert a bungalow loft | £28585 |
| Basement conversion cost | £32831 |