Range from the cheapest Basement conversion £25800 (Liverpool Direct Builders based in L14) to the dearest Basement conversion £38625 (Aurora Building company ltd based in L12).
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 L21 by posting a job with HaMuch and we will send it to extension builders in L21.
Job | Estimate |
Underpinning a house | £17056 |
Build a two storey extension | £87334 |
Build a timber frame extension | £25556 |
Install a swimming pool | £80556 |
Cost to build a single storey extension | £41126 |
Cost to build a side return extension | £32509 |
Install an RSJ | £1756 |
Build an outbuilding | £9556 |
Build a mansard loft conversion | £51556 |
Cost of a loft conversion | £29591 |
Build a kitchen extension | £41556 |
Build a hip to gable loft conversion | £41556 |
Build a granny annexe | £86556 |
Build a garden office | £9556 |
Convert a garage | £15556 |
Build a new garage | £18056 |
Build a flat roof extension | £21556 |
Build a dormer loft conversion | £41556 |
Lay a concrete foundation | £5806 |
Convert a bungalow loft | £28556 |
Basement conversion cost | £32509 |