Cheapest builders to convert your basement in WD6
Range from the cheapest Basement conversion £33000 (PROGRESSIVE DESIGN based in WD6) to the dearest Basement conversion £46500 (CLJ Building Ltd based in HA7).
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 WD6 by posting a job with HaMuch and we will send it to extension builders in WD6.
Estimates for common extension builder jobs in WD6;
| Job | Estimate |
| Underpinning a house | £17415 |
| Build a two storey extension | £87872 |
| Build a timber frame extension | £25915 |
| Install a swimming pool | £80915 |
| Cost to build a single storey extension | £48298 |
| Cost to build a side return extension | £36542 |
| Install an RSJ | £2115 |
| Build an outbuilding | £9915 |
| Build a mansard loft conversion | £51915 |
| Cost of a loft conversion | £32952 |
| Build a kitchen extension | £41915 |
| Build a hip to gable loft conversion | £41915 |
| Build a granny annexe | £86915 |
| Build a garden office | £9915 |
| Convert a garage | £15915 |
| Build a new garage | £18415 |
| Build a flat roof extension | £21915 |
| Build a dormer loft conversion | £41915 |
| Lay a concrete foundation | £6165 |
| Convert a bungalow loft | £28915 |
| Basement conversion cost | £36542 |