Range from the cheapest Basement conversion £29400 (1st Fix Home Improvements based in CM9) to the dearest Basement conversion £37500 (Mr. based in CM1).
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 CM3 by posting a job with HaMuch and we will send it to extension builders in CM3.
Job | Estimate |
Underpinning a house | £17233 |
Build a two storey extension | £87599 |
Build a timber frame extension | £25733 |
Install a swimming pool | £80733 |
Cost to build a single storey extension | £44656 |
Cost to build a side return extension | £34494 |
Install an RSJ | £1933 |
Build an outbuilding | £9733 |
Build a mansard loft conversion | £51733 |
Cost of a loft conversion | £31245 |
Build a kitchen extension | £41733 |
Build a hip to gable loft conversion | £41733 |
Build a granny annexe | £86733 |
Build a garden office | £9733 |
Convert a garage | £15733 |
Build a new garage | £18233 |
Build a flat roof extension | £21733 |
Build a dormer loft conversion | £41733 |
Lay a concrete foundation | £5983 |
Convert a bungalow loft | £28733 |
Basement conversion cost | £34494 |