Cheapest builders to convert your basement in SO31
Range from the cheapest Basement conversion £32010 (Dial An MOT based in SO15) to the dearest Basement conversion £37500 (ITD Builders Ltd based in PO14).
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 SO31 by posting a job with HaMuch and we will send it to extension builders in SO31.
Estimates for common extension builder jobs in SO31;
| Job | Estimate |
| Underpinning a house | £17232 |
| Build a two storey extension | £87598 |
| Build a timber frame extension | £25732 |
| Install a swimming pool | £80732 |
| Cost to build a single storey extension | £44637 |
| Cost to build a side return extension | £34483 |
| Install an RSJ | £1932 |
| Build an outbuilding | £9732 |
| Build a mansard loft conversion | £51732 |
| Cost of a loft conversion | £31236 |
| Build a kitchen extension | £41732 |
| Build a hip to gable loft conversion | £41732 |
| Build a granny annexe | £86732 |
| Build a garden office | £9732 |
| Convert a garage | £15732 |
| Build a new garage | £18232 |
| Build a flat roof extension | £21732 |
| Build a dormer loft conversion | £41732 |
| Lay a concrete foundation | £5982 |
| Convert a bungalow loft | £28732 |
| Basement conversion cost | £34483 |