Range from the cheapest Basement conversion £28500 (J&J Builders based in DN2) to the dearest Basement conversion £36240 (Maison Frais based in S26).
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 Bassetlaw by posting a job with HaMuch and we will send it to extension builders in Bassetlaw.
Job | Estimate |
Underpinning a house | £17216 |
Build a two storey extension | £87573 |
Build a timber frame extension | £25716 |
Install a swimming pool | £80716 |
Cost to build a single storey extension | £44310 |
Cost to build a side return extension | £34300 |
Install an RSJ | £1916 |
Build an outbuilding | £9716 |
Build a mansard loft conversion | £51716 |
Cost of a loft conversion | £31083 |
Build a kitchen extension | £41716 |
Build a hip to gable loft conversion | £41716 |
Build a granny annexe | £86716 |
Build a garden office | £9716 |
Convert a garage | £15716 |
Build a flat roof extension | £21716 |
Build a dormer loft conversion | £41716 |
Lay a concrete foundation | £5966 |
Convert a bungalow loft | £28716 |
Basement conversion cost | £34300 |