Cheapest builders to convert your basement in BS30
Range from the cheapest Basement conversion £34440 (Sps construction based in BS16) to the dearest Basement conversion £40200 (JM Building Services based in BS4).
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 BS30 by posting a job with HaMuch and we will send it to extension builders in BS30.
Estimates for common extension builder jobs in BS30;
| Job | Estimate |
| Underpinning a house | £17306 |
| Build a two storey extension | £87709 |
| Build a timber frame extension | £25806 |
| Install a swimming pool | £80806 |
| Cost to build a single storey extension | £46115 |
| Cost to build a side return extension | £35315 |
| Install an RSJ | £2006 |
| Build an outbuilding | £9806 |
| Build a mansard loft conversion | £51806 |
| Cost of a loft conversion | £31929 |
| Build a kitchen extension | £41806 |
| Build a hip to gable loft conversion | £41806 |
| Build a granny annexe | £86806 |
| Build a garden office | £9806 |
| Convert a garage | £15806 |
| Build a new garage | £18306 |
| Build a flat roof extension | £21806 |
| Build a dormer loft conversion | £41806 |
| Lay a concrete foundation | £6056 |
| Convert a bungalow loft | £28806 |
| Basement conversion cost | £35315 |