Cheapest builders to convert your basement in Tonna
Range from the cheapest Basement conversion £31110 (G Wager Building Maintenance based in SA13) to the dearest Basement conversion £32820 (3 B's based in SA2).
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 Tonna by posting a job with HaMuch and we will send it to extension builders in Tonna.
Estimates for common extension builder jobs in Tonna;
| Job | Estimate |
| Underpinning a house | £17040 |
| Build a two storey extension | £87311 |
| Build a timber frame extension | £25540 |
| Install a swimming pool | £80540 |
| Cost to build a single storey extension | £40810 |
| Cost to build a side return extension | £32330 |
| Install an RSJ | £1740 |
| Build an outbuilding | £9540 |
| Build a mansard loft conversion | £51540 |
| Cost of a loft conversion | £29442 |
| Build a kitchen extension | £41540 |
| Build a hip to gable loft conversion | £41540 |
| Build a granny annexe | £86540 |
| Build a garden office | £9540 |
| Convert a garage | £15540 |
| Build a new garage | £18040 |
| Build a flat roof extension | £21540 |
| Build a dormer loft conversion | £41540 |
| Lay a concrete foundation | £5790 |
| Convert a bungalow loft | £28540 |
| Basement conversion cost | £32330 |