Extension builder estimates (based on hourly rates) to build a single storey extension in OX26
Range from the cheapest single storey extension £37040 (MJD Builder based in OX5) to the dearest single storey extension £66000 (Land building services based in OX3).
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 OX26 by posting a job with HaMuch and we will send it to extension builders in OX26.
Estimates for common extension builder jobs in OX26;
| Job | Estimate |
| Underpinning a house | £17291 |
| Build a two storey extension | £87687 |
| Build a timber frame extension | £25791 |
| Install a swimming pool | £80791 |
| Cost to build a single storey extension | £45827 |
| Cost to build a side return extension | £35153 |
| Install an RSJ | £1991 |
| Build an outbuilding | £9791 |
| Build a mansard loft conversion | £51791 |
| Cost of a loft conversion | £31794 |
| Build a kitchen extension | £41791 |
| Build a hip to gable loft conversion | £41791 |
| Build a granny annexe | £86791 |
| Build a garden office | £9791 |
| Convert a garage | £15791 |
| Build a new garage | £18291 |
| Build a flat roof extension | £21791 |
| Build a dormer loft conversion | £41791 |
| Lay a concrete foundation | £6041 |
| Convert a bungalow loft | £28791 |
| Basement conversion cost | £35153 |