Cheapest builders to convert your basement in SM7
Range from the cheapest Basement conversion £35430 (PDL Property Solutions based in SM7) to the dearest Basement conversion £37500 (CONSTRUCTION EXPRESS based in SM7).
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 SM7 by posting a job with HaMuch and we will send it to extension builders in SM7.
Estimates for common extension builder jobs in SM7;
| Job | Estimate |
| Underpinning a house | £17399 |
| Build a two storey extension | £87848 |
| Build a timber frame extension | £25899 |
| Install a swimming pool | £80899 |
| Cost to build a single storey extension | £47971 |
| Cost to build a side return extension | £36359 |
| Install an RSJ | £2099 |
| Build an outbuilding | £9899 |
| Build a mansard loft conversion | £51899 |
| Cost of a loft conversion | £32799 |
| Build a kitchen extension | £41899 |
| Build a hip to gable loft conversion | £41899 |
| Build a granny annexe | £86899 |
| Build a garden office | £9899 |
| Convert a garage | £15899 |
| Build a flat roof extension | £21899 |
| Build a dormer loft conversion | £41899 |
| Lay a concrete foundation | £6149 |
| Convert a bungalow loft | £28899 |
| Basement conversion cost | £36359 |