Cheapest builders to convert your basement in S80
Range from the cheapest Basement conversion £28500 (R Watson Builders based in S43) to the dearest Basement conversion £51000 (Green Exteriors Ltd based in S60).
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 S80 by posting a job with HaMuch and we will send it to extension builders in S80.
Estimates for common extension builder jobs in S80;
| Job | Estimate |
| Underpinning a house | £17337 |
| Build a two storey extension | £87755 |
| Build a timber frame extension | £25837 |
| Install a swimming pool | £80837 |
| Cost to build a single storey extension | £46736 |
| Cost to build a side return extension | £35664 |
| Install an RSJ | £2037 |
| Build an outbuilding | £9837 |
| Build a mansard loft conversion | £51837 |
| Cost of a loft conversion | £32220 |
| Build a kitchen extension | £41837 |
| Build a hip to gable loft conversion | £41837 |
| Build a granny annexe | £86837 |
| Build a garden office | £9837 |
| Convert a garage | £15837 |
| Build a new garage | £18337 |
| Build a flat roof extension | £21837 |
| Build a dormer loft conversion | £41837 |
| Lay a concrete foundation | £6087 |
| Convert a bungalow loft | £28837 |
| Basement conversion cost | £35664 |