Cheapest builders to convert your basement in G23
Range from the cheapest Basement conversion £30300 (Glencroft Builders Ltd based in G81) to the dearest Basement conversion £42000 (GK STONEMASONS based in G44).
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 G23 by posting a job with HaMuch and we will send it to extension builders in G23.
Estimates for common extension builder jobs in G23;
| Job | Estimate |
| Underpinning a house | £17294 |
| Build a two storey extension | £87690 |
| Build a timber frame extension | £25794 |
| Install a swimming pool | £80794 |
| Cost to build a single storey extension | £45872 |
| Cost to build a side return extension | £35178 |
| Install an RSJ | £1994 |
| Build an outbuilding | £9794 |
| Build a mansard loft conversion | £51794 |
| Cost of a loft conversion | £31815 |
| Build a kitchen extension | £41794 |
| Build a hip to gable loft conversion | £41794 |
| Build a granny annexe | £86794 |
| Build a garden office | £9794 |
| Convert a garage | £15794 |
| Build a new garage | £18294 |
| Build a flat roof extension | £21794 |
| Build a dormer loft conversion | £41794 |
| Lay a concrete foundation | £6044 |
| Convert a bungalow loft | £28794 |
| Basement conversion cost | £35178 |