Range from the cheapest Basement conversion £31200 (Select Property Services based in LE67) to the dearest Basement conversion £46500 (Roofseal based in B77).
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 DE12 by posting a job with HaMuch and we will send it to extension builders in DE12.
Job | Estimate |
Underpinning a house | £17204 |
Build a two storey extension | £87556 |
Build a timber frame extension | £25704 |
Install a swimming pool | £80704 |
Cost to build a single storey extension | £44074 |
Cost to build a side return extension | £34166 |
Install an RSJ | £1904 |
Build an outbuilding | £9704 |
Build a mansard loft conversion | £51704 |
Cost of a loft conversion | £30972 |
Build a kitchen extension | £41704 |
Build a hip to gable loft conversion | £41704 |
Build a granny annexe | £86704 |
Build a garden office | £9704 |
Convert a garage | £15704 |
Build a new garage | £18204 |
Build a flat roof extension | £21704 |
Build a dormer loft conversion | £41704 |
Lay a concrete foundation | £5954 |
Convert a bungalow loft | £28704 |
Basement conversion cost | £34166 |