Range from the cheapest Basement conversion £23100 (Garden landscapes landscape based in CF35) to the dearest Basement conversion £32370 (J.S. Builders based in CF39).
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 Porthcawl by posting a job with HaMuch and we will send it to extension builders in Porthcawl.
Job | Estimate |
Underpinning a house | £16948 |
Build a two storey extension | £87172 |
Build a timber frame extension | £25448 |
Install a swimming pool | £80448 |
Cost to build a single storey extension | £38960 |
Cost to build a side return extension | £31290 |
Install an RSJ | £1648 |
Build an outbuilding | £9448 |
Build a mansard loft conversion | £51448 |
Cost of a loft conversion | £28575 |
Build a kitchen extension | £41448 |
Build a hip to gable loft conversion | £41448 |
Build a granny annexe | £86448 |
Build a garden office | £9448 |
Convert a garage | £15448 |
Build a new garage | £17948 |
Build a flat roof extension | £21448 |
Build a dormer loft conversion | £41448 |
Lay a concrete foundation | £5698 |
Convert a bungalow loft | £28448 |
Basement conversion cost | £31290 |