Cheapest builders to convert your basement in E5
Range from the cheapest Basement conversion £33000 (Ian Shillingford based in E10) to the dearest Basement conversion £60000 (Gardening Life Ltd based in E10).
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 E5 by posting a job with HaMuch and we will send it to extension builders in E5.
Estimates for common extension builder jobs in E5;
| Job | Estimate |
| Underpinning a house | £17502 |
| Build a two storey extension | £88003 |
| Build a timber frame extension | £26002 |
| Install a swimming pool | £81002 |
| Cost to build a single storey extension | £50038 |
| Cost to build a side return extension | £37522 |
| Install an RSJ | £2202 |
| Build an outbuilding | £10002 |
| Build a mansard loft conversion | £52002 |
| Cost of a loft conversion | £33768 |
| Build a kitchen extension | £42002 |
| Build a hip to gable loft conversion | £42002 |
| Build a granny annexe | £87002 |
| Build a garden office | £10002 |
| Convert a garage | £16002 |
| Build a new garage | £18502 |
| Build a flat roof extension | £22002 |
| Build a dormer loft conversion | £42002 |
| Lay a concrete foundation | £6252 |
| Convert a bungalow loft | £29002 |
| Basement conversion cost | £37522 |