Cheapest builders to convert your basement in Wallingford
Range from the cheapest Basement conversion £33000 (G Collins Fencing based in RG8) to the dearest Basement conversion £37050 (BA Knott Oxford Ltd based in OX4).
Comparing extension builders estimates for a Basement conversion 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 for the cost to convert a basement in Wallingford by posting a job with HaMuch and we will send it to extension builders in Wallingford.
Estimates for common extension builder jobs in Wallingford;
| Job | Estimate |
| Underpinning a house | £17347 |
| Build a two storey extension | £87771 |
| Build a timber frame extension | £25847 |
| Install a swimming pool | £80847 |
| Cost to build a single storey extension | £46941 |
| Cost to build a side return extension | £35779 |
| Install an RSJ | £2047 |
| Build an outbuilding | £9847 |
| Build a mansard loft conversion | £51847 |
| Cost of a loft conversion | £32316 |
| Build a kitchen extension | £41847 |
| Build a hip to gable loft conversion | £41847 |
| Build a granny annexe | £86847 |
| Build a garden office | £9847 |
| Convert a garage | £15847 |
| Build a new garage | £18347 |
| Build a flat roof extension | £21847 |
| Build a dormer loft conversion | £41847 |
| Lay a concrete foundation | £6097 |
| Convert a bungalow loft | £28847 |
| Basement conversion cost | £35779 |