Range from the cheapest Basement conversion £21120 (Leon Morgan based in NP12) to the dearest Basement conversion £51000 (SES Building & Energy Solutions Ltd based in CF34).
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 CF43 by posting a job with HaMuch and we will send it to extension builders in CF43.
Job | Estimate |
Underpinning a house | £16969 |
Build a two storey extension | £87204 |
Build a timber frame extension | £25469 |
Install a swimming pool | £80469 |
Cost to build a single storey extension | £39389 |
Cost to build a side return extension | £31531 |
Install an RSJ | £1669 |
Build an outbuilding | £9469 |
Build a mansard loft conversion | £51469 |
Cost of a loft conversion | £28776 |
Build a kitchen extension | £41469 |
Build a hip to gable loft conversion | £41469 |
Build a granny annexe | £86469 |
Build a garden office | £9469 |
Convert a garage | £15469 |
Build a new garage | £17969 |
Build a flat roof extension | £21469 |
Build a dormer loft conversion | £41469 |
Lay a concrete foundation | £5719 |
Convert a bungalow loft | £28469 |
Basement conversion cost | £31531 |