Range from the cheapest Basement conversion £35340 (Mackenzie Hughes Ltd based in EH8) to the dearest Basement conversion £36870 (The Brunstane Group based in EH15).
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 Portobello by posting a job with HaMuch and we will send it to extension builders in Portobello.
15/12/2023
Basement conversion
Job | Estimate |
Underpinning a house | £17374 |
Build a two storey extension | £87811 |
Build a timber frame extension | £25874 |
Install a swimming pool | £80874 |
Cost to build a single storey extension | £47485 |
Cost to build a side return extension | £36085 |
Install an RSJ | £2074 |
Build an outbuilding | £9874 |
Build a mansard loft conversion | £51874 |
Cost of a loft conversion | £32571 |
Build a kitchen extension | £41874 |
Build a hip to gable loft conversion | £41874 |
Build a granny annexe | £86874 |
Build a garden office | £9874 |
Convert a garage | £15874 |
Build a new garage | £18374 |
Build a flat roof extension | £21874 |
Build a dormer loft conversion | £41874 |
Lay a concrete foundation | £6124 |
Convert a bungalow loft | £28874 |
Basement conversion cost | £36085 |