Range from the cheapest Basement conversion £22200 (RJW's Gardens based in MK45) to the dearest Basement conversion £40200 (JMO Construction Ltd based in PE19).
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 Kempston by posting a job with HaMuch and we will send it to extension builders in Kempston.
Job | Estimate |
Underpinning a house | £17330 |
Build a two storey extension | £87746 |
Build a timber frame extension | £25830 |
Install a swimming pool | £80830 |
Cost to build a single storey extension | £46608 |
Cost to build a side return extension | £35592 |
Install an RSJ | £2030 |
Build an outbuilding | £9830 |
Build a mansard loft conversion | £51830 |
Cost of a loft conversion | £32160 |
Build a kitchen extension | £41830 |
Build a hip to gable loft conversion | £41830 |
Build a granny annexe | £86830 |
Build a garden office | £9830 |
Convert a garage | £15830 |
Build a new garage | £18330 |
Build a flat roof extension | £21830 |
Build a dormer loft conversion | £41830 |
Lay a concrete foundation | £6080 |
Convert a bungalow loft | £28830 |
Basement conversion cost | £35592 |