Range from the cheapest Basement conversion £25800 (R i daniels based in SA14) to the dearest Basement conversion £42000 (KD Construction based in SA15).
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 SA15 by posting a job with HaMuch and we will send it to extension builders in SA15.
Job | Estimate |
Underpinning a house | £17044 |
Build a two storey extension | £87316 |
Build a timber frame extension | £25544 |
Install a swimming pool | £80544 |
Cost to build a single storey extension | £40880 |
Cost to build a side return extension | £32370 |
Install an RSJ | £1744 |
Build an outbuilding | £9544 |
Build a mansard loft conversion | £51544 |
Cost of a loft conversion | £29475 |
Build a kitchen extension | £41544 |
Build a hip to gable loft conversion | £41544 |
Build a granny annexe | £86544 |
Build a garden office | £9544 |
Convert a garage | £15544 |
Build a new garage | £18044 |
Build a flat roof extension | £21544 |
Build a dormer loft conversion | £41544 |
Lay a concrete foundation | £5794 |
Convert a bungalow loft | £28544 |
Basement conversion cost | £32370 |