Range from the cheapest Basement conversion £25800 (Liverpool Direct Builders based in L14) to the dearest Basement conversion £38625 (Aurora Building company ltd based in L12).
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 L18 by posting a job with HaMuch and we will send it to extension builders in L18.
Job | Estimate |
Underpinning a house | £17079 |
Build a two storey extension | £87368 |
Build a timber frame extension | £25579 |
Install a swimming pool | £80579 |
Cost to build a single storey extension | £41574 |
Cost to build a side return extension | £32761 |
Install an RSJ | £1779 |
Build an outbuilding | £9579 |
Build a mansard loft conversion | £51579 |
Cost of a loft conversion | £29801 |
Build a kitchen extension | £41579 |
Build a hip to gable loft conversion | £41579 |
Build a granny annexe | £86579 |
Build a garden office | £9579 |
Convert a garage | £15579 |
Build a new garage | £18079 |
Build a flat roof extension | £21579 |
Build a dormer loft conversion | £41579 |
Lay a concrete foundation | £5829 |
Convert a bungalow loft | £28579 |
Basement conversion cost | £32761 |