Cheapest builders to convert your basement in NR1
Range from the cheapest Basement conversion £25800 (Maxxrenovations, extensions based in NR29) to the dearest Basement conversion £32370 (Planet ozone ltd based in Nr9).
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 NR1 by posting a job with HaMuch and we will send it to extension builders in NR1.
Estimates for common extension builder jobs in NR1;
| Job | Estimate |
| Underpinning a house | £16898 |
| Build a two storey extension | £87098 |
| Build a timber frame extension | £25398 |
| Install a swimming pool | £80398 |
| Cost to build a single storey extension | £37968 |
| Cost to build a side return extension | £30732 |
| Install an RSJ | £1598 |
| Build an outbuilding | £9398 |
| Build a mansard loft conversion | £51398 |
| Cost of a loft conversion | £28110 |
| Build a kitchen extension | £41398 |
| Build a hip to gable loft conversion | £41398 |
| Build a granny annexe | £86398 |
| Build a garden office | £9398 |
| Convert a garage | £15398 |
| Build a new garage | £17898 |
| Build a flat roof extension | £21398 |
| Build a dormer loft conversion | £41398 |
| Lay a concrete foundation | £5648 |
| Convert a bungalow loft | £28398 |
| Basement conversion cost | £30732 |