Cheapest builders to convert your basement in DL6
Range from the cheapest Basement conversion £24000 (Weathersealed UK based in DL1) to the dearest Basement conversion £51000 (Transform UK Developments Ltd based in TS11).
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 DL6 by posting a job with HaMuch and we will send it to extension builders in DL6.
Estimates for common extension builder jobs in DL6;
| Job | Estimate |
| Underpinning a house | £17092 |
| Build a two storey extension | £87388 |
| Build a timber frame extension | £25592 |
| Install a swimming pool | £80592 |
| Cost to build a single storey extension | £41840 |
| Cost to build a side return extension | £32910 |
| Install an RSJ | £1792 |
| Build an outbuilding | £9592 |
| Build a mansard loft conversion | £51592 |
| Cost of a loft conversion | £29925 |
| Build a kitchen extension | £41592 |
| Build a hip to gable loft conversion | £41592 |
| Build a granny annexe | £86592 |
| Build a garden office | £9592 |
| Convert a garage | £15592 |
| Build a new garage | £18092 |
| Build a flat roof extension | £21592 |
| Build a dormer loft conversion | £41592 |
| Lay a concrete foundation | £5842 |
| Convert a bungalow loft | £28592 |
| Basement conversion cost | £32910 |