Cheapest builders to convert your basement in Gwent
Range from the cheapest Basement conversion £25800 (A.Gaddarn Builders based in NP11) to the dearest Basement conversion £37500 (Jb maintenance and construction Ltd based in CF3).
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 Gwent by posting a job with HaMuch and we will send it to extension builders in Gwent.
Estimates for common extension builder jobs in Gwent;
| Job | Estimate |
| Underpinning a house | £17063 |
| Build a two storey extension | £87345 |
| Build a timber frame extension | £25563 |
| Install a swimming pool | £80563 |
| Cost to build a single storey extension | £41264 |
| Cost to build a side return extension | £32586 |
| Install an RSJ | £1763 |
| Build an outbuilding | £9563 |
| Build a mansard loft conversion | £51563 |
| Cost of a loft conversion | £29655 |
| Build a kitchen extension | £41563 |
| Build a hip to gable loft conversion | £41563 |
| Build a granny annexe | £86563 |
| Build a garden office | £9563 |
| Convert a garage | £15563 |
| Build a new garage | £18063 |
| Build a flat roof extension | £21563 |
| Build a dormer loft conversion | £41563 |
| Lay a concrete foundation | £5813 |
| Convert a bungalow loft | £28563 |
| Basement conversion cost | £32586 |