Range from the cheapest Basement conversion £28500 (JUST ONE BUILDING SERVICES based in RH11) to the dearest Basement conversion £42000 (Hasibuilder based in Rh10).
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 Horsham by posting a job with HaMuch and we will send it to extension builders in Horsham.
Job | Estimate |
Underpinning a house | £17309 |
Build a two storey extension | £87714 |
Build a timber frame extension | £25809 |
Install a swimming pool | £80809 |
Cost to build a single storey extension | £46186 |
Cost to build a side return extension | £35354 |
Install an RSJ | £2009 |
Build an outbuilding | £9809 |
Build a mansard loft conversion | £51809 |
Cost of a loft conversion | £31962 |
Build a kitchen extension | £41809 |
Build a hip to gable loft conversion | £41809 |
Build a granny annexe | £86809 |
Build a garden office | £9809 |
Convert a garage | £15809 |
Build a flat roof extension | £21809 |
Build a dormer loft conversion | £41809 |
Lay a concrete foundation | £6059 |
Convert a bungalow loft | £28809 |
Basement conversion cost | £35354 |