Cheapest builders to convert your basement in CF81
Range from the cheapest Basement conversion £21120 (Leon Morgan based in NP12) to the dearest Basement conversion £33090 (JSP Building Contractors Ltd based in NP4).
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 CF81 by posting a job with HaMuch and we will send it to extension builders in CF81.
Estimates for common extension builder jobs in CF81;
| Job | Estimate |
| Underpinning a house | £16923 |
| Build a two storey extension | £87135 |
| Build a timber frame extension | £25423 |
| Install a swimming pool | £80423 |
| Cost to build a single storey extension | £38461 |
| Cost to build a side return extension | £31009 |
| Install an RSJ | £1623 |
| Build an outbuilding | £9423 |
| Build a mansard loft conversion | £51423 |
| Cost of a loft conversion | £28341 |
| Build a kitchen extension | £41423 |
| Build a hip to gable loft conversion | £41423 |
| Build a granny annexe | £86423 |
| Build a garden office | £9423 |
| Convert a garage | £15423 |
| Build a new garage | £17923 |
| Build a flat roof extension | £21423 |
| Build a dormer loft conversion | £41423 |
| Lay a concrete foundation | £5673 |
| Convert a bungalow loft | £28423 |
| Basement conversion cost | £31009 |