Cheapest builders to convert your basement in WC1X
Range from the cheapest Basement conversion £35790 (Otto & Mensah Build based in WC1N) to the dearest Basement conversion £51000 (Q Lofts and Extensions based in EC1R).
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 WC1X by posting a job with HaMuch and we will send it to extension builders in WC1X.
Estimates for common extension builder jobs in WC1X;
| Job | Estimate |
| Underpinning a house | £17455 |
| Build a two storey extension | £87933 |
| Build a timber frame extension | £25955 |
| Install a swimming pool | £80955 |
| Cost to build a single storey extension | £49104 |
| Cost to build a side return extension | £36996 |
| Install an RSJ | £2155 |
| Build an outbuilding | £9955 |
| Build a mansard loft conversion | £51955 |
| Cost of a loft conversion | £33330 |
| Build a kitchen extension | £41955 |
| Build a hip to gable loft conversion | £41955 |
| Build a granny annexe | £86955 |
| Build a garden office | £9955 |
| Convert a garage | £15955 |
| Build a new garage | £18455 |
| Build a flat roof extension | £21955 |
| Build a dormer loft conversion | £41955 |
| Lay a concrete foundation | £6205 |
| Convert a bungalow loft | £28955 |
| Basement conversion cost | £36996 |