Cheapest builders to convert your basement in NN9
Range from the cheapest Basement conversion £15180 (Swift Serve Solutions Ltd based in NN8) to the dearest Basement conversion £46500 (STRANDOR ROOFING LTD based in NN6).
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 NN9 by posting a job with HaMuch and we will send it to extension builders in NN9.
Estimates for common extension builder jobs in NN9;
| Job | Estimate |
| Underpinning a house | £17161 |
| Build a two storey extension | £87492 |
| Build a timber frame extension | £25661 |
| Install a swimming pool | £80661 |
| Cost to build a single storey extension | £43229 |
| Cost to build a side return extension | £33691 |
| Install an RSJ | £1861 |
| Build an outbuilding | £9661 |
| Build a mansard loft conversion | £51661 |
| Cost of a loft conversion | £30576 |
| Build a kitchen extension | £41661 |
| Build a hip to gable loft conversion | £41661 |
| Build a granny annexe | £86661 |
| Build a garden office | £9661 |
| Convert a garage | £15661 |
| Build a new garage | £18161 |
| Build a flat roof extension | £21661 |
| Build a dormer loft conversion | £41661 |
| Lay a concrete foundation | £5911 |
| Convert a bungalow loft | £28661 |
| Basement conversion cost | £33691 |