Range from the cheapest Basement conversion £28500 (R Watson Builders based in S43) to the dearest Basement conversion £105000 (C S Roofing & Building based in S8).
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 DE45 by posting a job with HaMuch and we will send it to extension builders in DE45.
Job | Estimate |
Underpinning a house | £17523 |
Build a two storey extension | £88035 |
Build a timber frame extension | £26023 |
Install a swimming pool | £81023 |
Cost to build a single storey extension | £50461 |
Cost to build a side return extension | £37759 |
Install an RSJ | £2223 |
Build an outbuilding | £10023 |
Build a mansard loft conversion | £52023 |
Cost of a loft conversion | £33966 |
Build a kitchen extension | £42023 |
Build a hip to gable loft conversion | £42023 |
Build a granny annexe | £87023 |
Build a garden office | £10023 |
Convert a garage | £16023 |
Build a new garage | £18523 |
Build a flat roof extension | £22023 |
Build a dormer loft conversion | £42023 |
Lay a concrete foundation | £6273 |
Convert a bungalow loft | £29023 |
Basement conversion cost | £37759 |