Range from the cheapest Basement conversion £31200 (Rafix Building based in N15) to the dearest Basement conversion £46500 (Romex Building Service based in N22).
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 N8 by posting a job with HaMuch and we will send it to extension builders in N8.
Job | Estimate |
Underpinning a house | £17422 |
Build a two storey extension | £87883 |
Build a timber frame extension | £25922 |
Install a swimming pool | £80922 |
Cost to build a single storey extension | £48445 |
Cost to build a side return extension | £36625 |
Install an RSJ | £2122 |
Build an outbuilding | £9922 |
Build a mansard loft conversion | £51922 |
Cost of a loft conversion | £33021 |
Build a kitchen extension | £41922 |
Build a hip to gable loft conversion | £41922 |
Build a granny annexe | £86922 |
Build a garden office | £9922 |
Convert a garage | £15922 |
Build a new garage | £18422 |
Build a flat roof extension | £21922 |
Build a dormer loft conversion | £41922 |
Lay a concrete foundation | £6172 |
Convert a bungalow loft | £28922 |
Basement conversion cost | £36625 |