Range from the cheapest Basement conversion £29400 (Q-SERVICES based in E17) to the dearest Basement conversion £52800 (Iservices-uk Ltd based in E17).
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 Waltham by posting a job with HaMuch and we will send it to extension builders in Waltham.
Job | Estimate |
Underpinning a house | £17457 |
Build a two storey extension | £87936 |
Build a timber frame extension | £25957 |
Install a swimming pool | £80957 |
Cost to build a single storey extension | £49142 |
Cost to build a side return extension | £37018 |
Install an RSJ | £2157 |
Build an outbuilding | £9957 |
Build a mansard loft conversion | £51957 |
Cost of a loft conversion | £33348 |
Build a kitchen extension | £41957 |
Build a hip to gable loft conversion | £41957 |
Build a granny annexe | £86957 |
Build a garden office | £9957 |
Convert a garage | £15957 |
Build a new garage | £18457 |
Build a flat roof extension | £21957 |
Build a dormer loft conversion | £41957 |
Lay a concrete foundation | £6207 |
Convert a bungalow loft | £28957 |
Basement conversion cost | £37018 |