Range from the cheapest Basement conversion £21120 (Leon Morgan based in NP12) to the dearest Basement conversion £33090 (JSP Building Contractors Ltd based in NP4).
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 NP24 by posting a job with HaMuch and we will send it to extension builders in NP24.
Job | Estimate |
Underpinning a house | £16923 |
Build a two storey extension | £87135 |
Build a timber frame extension | £25423 |
Install a swimming pool | £80423 |
Cost to build a single storey extension | £38461 |
Cost to build a side return extension | £31009 |
Install an RSJ | £1623 |
Build an outbuilding | £9423 |
Build a mansard loft conversion | £51423 |
Cost of a loft conversion | £28341 |
Build a kitchen extension | £41423 |
Build a hip to gable loft conversion | £41423 |
Build a granny annexe | £86423 |
Build a garden office | £9423 |
Convert a garage | £15423 |
Build a new garage | £17923 |
Build a flat roof extension | £21423 |
Build a dormer loft conversion | £41423 |
Lay a concrete foundation | £5673 |
Convert a bungalow loft | £28423 |
Basement conversion cost | £31009 |