Range from the cheapest Basement conversion £33000 (Ian Shillingford based in E10) to the dearest Basement conversion £60000 (Gardening Life Ltd based in E10).
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 Clapton by posting a job with HaMuch and we will send it to extension builders in Clapton.
30/08/2023
Side return extension
Job | Estimate |
Underpinning a house | £17503 |
Build a two storey extension | £88004 |
Build a timber frame extension | £26003 |
Install a swimming pool | £81003 |
Cost to build a single storey extension | £50051 |
Cost to build a side return extension | £37529 |
Install an RSJ | £2203 |
Build an outbuilding | £10003 |
Build a mansard loft conversion | £52003 |
Cost of a loft conversion | £33774 |
Build a kitchen extension | £42003 |
Build a hip to gable loft conversion | £42003 |
Build a granny annexe | £87003 |
Build a garden office | £10003 |
Convert a garage | £16003 |
Build a new garage | £18503 |
Build a flat roof extension | £22003 |
Build a dormer loft conversion | £42003 |
Lay a concrete foundation | £6253 |
Convert a bungalow loft | £29003 |
Basement conversion cost | £37529 |