Range from the cheapest Basement conversion £35880 (Cortec Ltd based in GU7) to the dearest Basement conversion £55500 (Websites 4 Trades based in GU7).
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 Guildford by posting a job with HaMuch and we will send it to extension builders in Guildford.
Job | Estimate |
Underpinning a house | £17545 |
Build a two storey extension | £88068 |
Build a timber frame extension | £26045 |
Install a swimming pool | £81045 |
Cost to build a single storey extension | £50902 |
Cost to build a side return extension | £38008 |
Install an RSJ | £2245 |
Build an outbuilding | £10045 |
Build a mansard loft conversion | £52045 |
Cost of a loft conversion | £34173 |
Build a kitchen extension | £42045 |
Build a hip to gable loft conversion | £42045 |
Build a granny annexe | £87045 |
Build a garden office | £10045 |
Convert a garage | £16045 |
Build a flat roof extension | £22045 |
Build a dormer loft conversion | £42045 |
Lay a concrete foundation | £6295 |
Convert a bungalow loft | £29045 |
Basement conversion cost | £38008 |