Range from the cheapest Basement conversion £25800 (Aquatec Builder based in OL10) to the dearest Basement conversion £33630 (AJD Developments based in M24).
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 OL9 by posting a job with HaMuch and we will send it to extension builders in OL9.
Job | Estimate |
Underpinning a house | £17033 |
Build a two storey extension | £87299 |
Build a timber frame extension | £25533 |
Install a swimming pool | £80533 |
Cost to build a single storey extension | £40656 |
Cost to build a side return extension | £32244 |
Install an RSJ | £1733 |
Build an outbuilding | £9533 |
Build a mansard loft conversion | £51533 |
Cost of a loft conversion | £29370 |
Build a kitchen extension | £41533 |
Build a hip to gable loft conversion | £41533 |
Build a granny annexe | £86533 |
Build a garden office | £9533 |
Convert a garage | £15533 |
Build a new garage | £18033 |
Build a flat roof extension | £21533 |
Build a dormer loft conversion | £41533 |
Lay a concrete foundation | £5783 |
Convert a bungalow loft | £28533 |
Basement conversion cost | £32244 |