Cheapest builders to convert your basement in BH11
Range from the cheapest Basement conversion £29400 (ALWYN DOMINEY based in BH12) to the dearest Basement conversion £35700 (A Q Roofing & Lofts Ltd based in BH8).
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 BH11 by posting a job with HaMuch and we will send it to extension builders in BH11.
Estimates for common extension builder jobs in BH11;
| Job | Estimate |
| Underpinning a house | £17253 |
| Build a two storey extension | £87629 |
| Build a timber frame extension | £25753 |
| Install a swimming pool | £80753 |
| Cost to build a single storey extension | £45053 |
| Cost to build a side return extension | £34717 |
| Install an RSJ | £1953 |
| Build an outbuilding | £9753 |
| Build a mansard loft conversion | £51753 |
| Cost of a loft conversion | £31431 |
| Build a kitchen extension | £41753 |
| Build a hip to gable loft conversion | £41753 |
| Build a granny annexe | £86753 |
| Build a garden office | £9753 |
| Convert a garage | £15753 |
| Build a new garage | £18253 |
| Build a flat roof extension | £21753 |
| Build a dormer loft conversion | £41753 |
| Lay a concrete foundation | £6003 |
| Convert a bungalow loft | £28753 |
| Basement conversion cost | £34717 |