Cheapest builders to convert your basement in Newtown
Range from the cheapest Basement conversion £27060 (Extended living by Gilbert-Ash based in BT12) to the dearest Basement conversion £28500 (Colin Gilmore Building Contractor based in BT22).
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 Newtown by posting a job with HaMuch and we will send it to extension builders in Newtown.
Estimates for common extension builder jobs in Newtown;
| Job | Estimate |
| Underpinning a house | £16601 |
| Build a two storey extension | £86652 |
| Build a timber frame extension | £25101 |
| Install a swimming pool | £80101 |
| Cost to build a single storey extension | £32020 |
| Cost to build a side return extension | £27386 |
| Install an RSJ | £1301 |
| Build an outbuilding | £9101 |
| Build a mansard loft conversion | £51101 |
| Cost of a loft conversion | £25322 |
| Build a kitchen extension | £41101 |
| Build a hip to gable loft conversion | £41101 |
| Build a granny annexe | £86101 |
| Build a garden office | £9101 |
| Convert a garage | £15101 |
| Build a new garage | £17601 |
| Build a flat roof extension | £21101 |
| Build a dormer loft conversion | £41101 |
| Lay a concrete foundation | £5351 |
| Convert a bungalow loft | £28101 |
| Basement conversion cost | £27386 |