Cheapest builders to convert your basement in WC1A
Range from the cheapest Basement conversion £35790 (HouseUP based in WC2H) to the dearest Basement conversion £36870 (My Lady Builder based in WC2H).
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 WC1A by posting a job with HaMuch and we will send it to extension builders in WC1A.
Estimates for common extension builder jobs in WC1A;
| Job | Estimate |
| Underpinning a house | £17402 |
| Build a two storey extension | £87853 |
| Build a timber frame extension | £25902 |
| Install a swimming pool | £80902 |
| Cost to build a single storey extension | £48035 |
| Cost to build a side return extension | £36395 |
| Install an RSJ | £2102 |
| Build an outbuilding | £9902 |
| Build a mansard loft conversion | £51902 |
| Cost of a loft conversion | £32829 |
| Build a kitchen extension | £41902 |
| Build a hip to gable loft conversion | £41902 |
| Build a granny annexe | £86902 |
| Build a garden office | £9902 |
| Convert a garage | £15902 |
| Build a new garage | £18402 |
| Build a flat roof extension | £21902 |
| Build a dormer loft conversion | £41902 |
| Lay a concrete foundation | £6152 |
| Convert a bungalow loft | £28902 |
| Basement conversion cost | £36395 |