Cheapest builders to convert your basement in TW14
Range from the cheapest Basement conversion £30300 (FastFixRoofing & Building Ltd based in TW13) to the dearest Basement conversion £150000 (RS Rightsolution Ltd based in TW4).
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 TW14 by posting a job with HaMuch and we will send it to extension builders in TW14.
Estimates for common extension builder jobs in TW14;
| Job | Estimate |
| Underpinning a house | £17793 |
| Build a two storey extension | £88440 |
| Build a timber frame extension | £26293 |
| Install a swimming pool | £81293 |
| Cost to build a single storey extension | £55869 |
| Cost to build a side return extension | £40801 |
| Install an RSJ | £2493 |
| Build an outbuilding | £10293 |
| Build a mansard loft conversion | £52293 |
| Cost of a loft conversion | £36501 |
| Build a kitchen extension | £42293 |
| Build a hip to gable loft conversion | £42293 |
| Build a granny annexe | £87293 |
| Build a garden office | £10293 |
| Convert a garage | £16293 |
| Build a flat roof extension | £22293 |
| Build a dormer loft conversion | £42293 |
| Lay a concrete foundation | £6543 |
| Convert a bungalow loft | £29293 |
| Basement conversion cost | £40801 |