Range from the cheapest Basement conversion £35880 (Coopers of Surrey Ltd based in KT12) to the dearest Basement conversion £38760 (DITTON CONSTRUCTION LIMITED based in KT12).
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 Walton-on-thames by posting a job with HaMuch and we will send it to extension builders in Walton-on-thames.
Job | Estimate |
Underpinning a house | £17417 |
Build a two storey extension | £87876 |
Build a timber frame extension | £25917 |
Install a swimming pool | £80917 |
Cost to build a single storey extension | £48349 |
Cost to build a side return extension | £36571 |
Install an RSJ | £2117 |
Build an outbuilding | £9917 |
Build a mansard loft conversion | £51917 |
Cost of a loft conversion | £32976 |
Build a kitchen extension | £41917 |
Build a hip to gable loft conversion | £41917 |
Build a granny annexe | £86917 |
Build a garden office | £9917 |
Convert a garage | £15917 |
Build a new garage | £18417 |
Build a flat roof extension | £21917 |
Build a dormer loft conversion | £41917 |
Lay a concrete foundation | £6167 |
Convert a bungalow loft | £28917 |
Basement conversion cost | £36571 |