Extension builder estimates (based on hourly rates) to build a single storey extension in Oxford
Range from the cheapest single storey extension £37040 (MJD Builder based in OX5) to the dearest single storey extension £56400 (Adrian Jenkins Building Services based in OX2).
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 Oxford by posting a job with HaMuch and we will send it to extension builders in Oxford.
Estimates for common extension builder jobs in Oxford;
| Job | Estimate |
| Underpinning a house | £17332 |
| Build a two storey extension | £87748 |
| Build a timber frame extension | £25832 |
| Install a swimming pool | £80832 |
| Cost to build a single storey extension | £46634 |
| Cost to build a side return extension | £35606 |
| Install an RSJ | £2032 |
| Build an outbuilding | £9832 |
| Build a mansard loft conversion | £51832 |
| Cost of a loft conversion | £32172 |
| Build a kitchen extension | £41832 |
| Build a hip to gable loft conversion | £41832 |
| Build a granny annexe | £86832 |
| Build a garden office | £9832 |
| Convert a garage | £15832 |
| Build a flat roof extension | £21832 |
| Build a dormer loft conversion | £41832 |
| Lay a concrete foundation | £6082 |
| Convert a bungalow loft | £28832 |
| Basement conversion cost | £35606 |