Cheapest builders to convert your basement in TN4
Range from the cheapest Basement conversion £28500 (Magnoli Home based in TN2) to the dearest Basement conversion £36600 (Tonbuild, Tonbridge Builders based in TN9).
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 TN4 by posting a job with HaMuch and we will send it to extension builders in TN4.
Estimates for common extension builder jobs in TN4;
| Job | Estimate |
| Underpinning a house | £17315 |
| Build a two storey extension | £87722 |
| Build a timber frame extension | £25815 |
| Install a swimming pool | £80815 |
| Cost to build a single storey extension | £46294 |
| Cost to build a side return extension | £35416 |
| Install an RSJ | £2015 |
| Build an outbuilding | £9815 |
| Build a mansard loft conversion | £51815 |
| Cost of a loft conversion | £32013 |
| Build a kitchen extension | £41815 |
| Build a hip to gable loft conversion | £41815 |
| Build a granny annexe | £86815 |
| Build a garden office | £9815 |
| Convert a garage | £15815 |
| Build a flat roof extension | £21815 |
| Build a dormer loft conversion | £41815 |
| Lay a concrete foundation | £6065 |
| Convert a bungalow loft | £28815 |
| Basement conversion cost | £35416 |