Cheapest builders to convert your basement in SO42
Range from the cheapest Basement conversion £29400 (MARK STRIDE based in SO41) to the dearest Basement conversion £36510 (Advance Shutters Ltd based in SO41).
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 SO42 by posting a job with HaMuch and we will send it to extension builders in SO42.
Estimates for common extension builder jobs in SO42;
| Job | Estimate |
| Underpinning a house | £17195 |
| Build a two storey extension | £87543 |
| Build a timber frame extension | £25695 |
| Install a swimming pool | £80695 |
| Cost to build a single storey extension | £43901 |
| Cost to build a side return extension | £34069 |
| Install an RSJ | £1895 |
| Build an outbuilding | £9695 |
| Build a mansard loft conversion | £51695 |
| Cost of a loft conversion | £30891 |
| Build a kitchen extension | £41695 |
| Build a hip to gable loft conversion | £41695 |
| Build a granny annexe | £86695 |
| Build a garden office | £9695 |
| Convert a garage | £15695 |
| Build a new garage | £18195 |
| Build a flat roof extension | £21695 |
| Build a dormer loft conversion | £41695 |
| Lay a concrete foundation | £5945 |
| Convert a bungalow loft | £28695 |
| Basement conversion cost | £34069 |