Cheapest builders to convert your basement in BS13
Range from the cheapest Basement conversion £34530 (PROLINE BUILDING SERVICES LIMI based in BS41) 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 BS13 by posting a job with HaMuch and we will send it to extension builders in BS13.
Estimates for common extension builder jobs in BS13;
| Job | Estimate |
| Underpinning a house | £17303 |
| Build a two storey extension | £87705 |
| Build a timber frame extension | £25803 |
| Install a swimming pool | £80803 |
| Cost to build a single storey extension | £46064 |
| Cost to build a side return extension | £35286 |
| Install an RSJ | £2003 |
| Build an outbuilding | £9803 |
| Build a mansard loft conversion | £51803 |
| Cost of a loft conversion | £31905 |
| Build a kitchen extension | £41803 |
| Build a hip to gable loft conversion | £41803 |
| Build a granny annexe | £86803 |
| Build a garden office | £9803 |
| Convert a garage | £15803 |
| Build a flat roof extension | £21803 |
| Build a dormer loft conversion | £41803 |
| Lay a concrete foundation | £6053 |
| Convert a bungalow loft | £28803 |
| Basement conversion cost | £35286 |