Cheapest builders to convert your basement in SO45
Range from the cheapest Basement conversion £33810 (Dell Developments Ltd based in SO18) to the dearest Basement conversion £36600 (A W PAVING LTD based in SO31).
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 SO45 by posting a job with HaMuch and we will send it to extension builders in SO45.
Estimates for common extension builder jobs in SO45;
| Job | Estimate |
| Underpinning a house | £17230 |
| Build a two storey extension | £87595 |
| Build a timber frame extension | £25730 |
| Install a swimming pool | £80730 |
| Cost to build a single storey extension | £44598 |
| Cost to build a side return extension | £34462 |
| Install an RSJ | £1930 |
| Build an outbuilding | £9730 |
| Build a mansard loft conversion | £51730 |
| Cost of a loft conversion | £31218 |
| Build a kitchen extension | £41730 |
| Build a hip to gable loft conversion | £41730 |
| Build a granny annexe | £86730 |
| Build a garden office | £9730 |
| Convert a garage | £15730 |
| Build a new garage | £18230 |
| Build a flat roof extension | £21730 |
| Build a dormer loft conversion | £41730 |
| Lay a concrete foundation | £5980 |
| Convert a bungalow loft | £28730 |
| Basement conversion cost | £34462 |