Range from the cheapest Basement conversion £29400 (KMT Building services LTD based in NW9) to the dearest Basement conversion £37500 (Arrow London Builders Ltd based in NW4).
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 NW9 by posting a job with HaMuch and we will send it to extension builders in NW9.
Job | Estimate |
Underpinning a house | £17352 |
Build a two storey extension | £87778 |
Build a timber frame extension | £25852 |
Install a swimming pool | £80852 |
Cost to build a single storey extension | £47037 |
Cost to build a side return extension | £35833 |
Install an RSJ | £2052 |
Build an outbuilding | £9852 |
Build a mansard loft conversion | £51852 |
Cost of a loft conversion | £32361 |
Build a kitchen extension | £41852 |
Build a hip to gable loft conversion | £41852 |
Build a granny annexe | £86852 |
Build a garden office | £9852 |
Convert a garage | £15852 |
Build a flat roof extension | £21852 |
Build a dormer loft conversion | £41852 |
Lay a concrete foundation | £6102 |
Convert a bungalow loft | £28852 |
Basement conversion cost | £35833 |