Cheapest builders to convert your basement in Lewisham
Range from the cheapest Basement conversion £33000 (IDEAL BUILDING SOLUTIONS based in SE8) to the dearest Basement conversion £36870 (Dule Vida Property Design Ltd based in SE13).
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 Lewisham by posting a job with HaMuch and we will send it to extension builders in Lewisham.
Estimates for common extension builder jobs in Lewisham;
| Job | Estimate |
| Underpinning a house | £17375 |
| Build a two storey extension | £87813 |
| Build a timber frame extension | £25875 |
| Install a swimming pool | £80875 |
| Cost to build a single storey extension | £47504 |
| Cost to build a side return extension | £36096 |
| Install an RSJ | £2075 |
| Build an outbuilding | £9875 |
| Build a mansard loft conversion | £51875 |
| Cost of a loft conversion | £32580 |
| Build a kitchen extension | £41875 |
| Build a hip to gable loft conversion | £41875 |
| Build a granny annexe | £86875 |
| Build a garden office | £9875 |
| Convert a garage | £15875 |
| Build a new garage | £18375 |
| Build a flat roof extension | £21875 |
| Build a dormer loft conversion | £41875 |
| Lay a concrete foundation | £6125 |
| Convert a bungalow loft | £28875 |
| Basement conversion cost | £36096 |