Range from the cheapest Basement conversion £26700 (OCC Construction based in NE10) to the dearest Basement conversion £42000 (Premier Preservations Ltd based in NE23).
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 NE20 by posting a job with HaMuch and we will send it to extension builders in NE20.
Job | Estimate |
Underpinning a house | £17200 |
Build a two storey extension | £87550 |
Build a timber frame extension | £25700 |
Install a swimming pool | £80700 |
Cost to build a single storey extension | £44003 |
Cost to build a side return extension | £34127 |
Install an RSJ | £1900 |
Build an outbuilding | £9700 |
Build a mansard loft conversion | £51700 |
Cost of a loft conversion | £30939 |
Build a kitchen extension | £41700 |
Build a hip to gable loft conversion | £41700 |
Build a granny annexe | £86700 |
Build a garden office | £9700 |
Convert a garage | £15700 |
Build a new garage | £18200 |
Build a flat roof extension | £21700 |
Build a dormer loft conversion | £41700 |
Lay a concrete foundation | £5950 |
Convert a bungalow loft | £28700 |
Basement conversion cost | £34127 |