Cheapest builders to convert your basement in W6
Range from the cheapest Basement conversion £35610 (JNJ Building Services Ltd based in W12) to the dearest Basement conversion £36870 (The Home Refurbishment Company based in W6).
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 W6 by posting a job with HaMuch and we will send it to extension builders in W6.
Estimates for common extension builder jobs in W6;
| Job | Estimate |
| Underpinning a house | £17397 |
| Build a two storey extension | £87845 |
| Build a timber frame extension | £25897 |
| Install a swimming pool | £80897 |
| Cost to build a single storey extension | £47939 |
| Cost to build a side return extension | £36341 |
| Install an RSJ | £2097 |
| Build an outbuilding | £9897 |
| Build a mansard loft conversion | £51897 |
| Cost of a loft conversion | £32784 |
| Build a kitchen extension | £41897 |
| Build a hip to gable loft conversion | £41897 |
| Build a granny annexe | £86897 |
| Build a garden office | £9897 |
| Convert a garage | £15897 |
| Build a flat roof extension | £21897 |
| Build a dormer loft conversion | £41897 |
| Lay a concrete foundation | £6147 |
| Convert a bungalow loft | £28897 |
| Basement conversion cost | £36341 |