Range from the cheapest Basement conversion £32460 (Willow Building & Resin Drives Ltd based in M33) to the dearest Basement conversion £33720 (Wholesale Clothing based in M8).
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 M21 by posting a job with HaMuch and we will send it to extension builders in M21.
Job | Estimate |
Underpinning a house | £17094 |
Build a two storey extension | £87391 |
Build a timber frame extension | £25594 |
Install a swimming pool | £80594 |
Cost to build a single storey extension | £41885 |
Cost to build a side return extension | £32935 |
Install an RSJ | £1794 |
Build an outbuilding | £9594 |
Build a mansard loft conversion | £51594 |
Cost of a loft conversion | £29946 |
Build a kitchen extension | £41594 |
Build a hip to gable loft conversion | £41594 |
Build a granny annexe | £86594 |
Build a garden office | £9594 |
Convert a garage | £15594 |
Build a new garage | £18094 |
Build a flat roof extension | £21594 |
Build a dormer loft conversion | £41594 |
Lay a concrete foundation | £5844 |
Convert a bungalow loft | £28594 |
Basement conversion cost | £32935 |