Cheapest builders to convert your basement in B17
Range from the cheapest Basement conversion £32100 (Ciara Construction Company based in B45) to the dearest Basement conversion £46500 (TG Building Services & Son based in B71).
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 B17 by posting a job with HaMuch and we will send it to extension builders in B17.
Estimates for common extension builder jobs in B17;
| Job | Estimate |
| Underpinning a house | £17121 |
| Build a two storey extension | £87432 |
| Build a timber frame extension | £25621 |
| Install a swimming pool | £80621 |
| Cost to build a single storey extension | £42422 |
| Cost to build a side return extension | £33238 |
| Install an RSJ | £1821 |
| Build an outbuilding | £9621 |
| Build a mansard loft conversion | £51621 |
| Cost of a loft conversion | £30198 |
| Build a kitchen extension | £41621 |
| Build a hip to gable loft conversion | £41621 |
| Build a granny annexe | £86621 |
| Build a garden office | £9621 |
| Convert a garage | £15621 |
| Build a new garage | £18121 |
| Build a flat roof extension | £21621 |
| Build a dormer loft conversion | £41621 |
| Lay a concrete foundation | £5871 |
| Convert a bungalow loft | £28621 |
| Basement conversion cost | £33238 |