Cheapest builders to convert your basement in Sunderland
Range from the cheapest Basement conversion £25800 (Dry Tec based in DH6) to the dearest Basement conversion £42900 (John Barrett Joiner Builder based in NE37).
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 Sunderland by posting a job with HaMuch and we will send it to extension builders in Sunderland.
Estimates for common extension builder jobs in Sunderland;
| Job | Estimate |
| Underpinning a house | £17123 |
| Build a two storey extension | £87434 |
| Build a timber frame extension | £25623 |
| Install a swimming pool | £80623 |
| Cost to build a single storey extension | £42454 |
| Cost to build a side return extension | £33256 |
| Install an RSJ | £1823 |
| Build an outbuilding | £9623 |
| Build a mansard loft conversion | £51623 |
| Cost of a loft conversion | £30213 |
| Build a kitchen extension | £41623 |
| Build a hip to gable loft conversion | £41623 |
| Build a granny annexe | £86623 |
| Build a garden office | £9623 |
| Convert a garage | £15623 |
| Build a flat roof extension | £21623 |
| Build a dormer loft conversion | £41623 |
| Lay a concrete foundation | £5873 |
| Convert a bungalow loft | £28623 |
| Basement conversion cost | £33256 |