Cheapest builders to convert your basement in Cosgrove
Range from the cheapest Basement conversion £33000 (R&R CONSTRUCTION based in MK12) to the dearest Basement conversion £37230 (Dallcompanies Limited based in MK4).
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 Cosgrove by posting a job with HaMuch and we will send it to extension builders in Cosgrove.
Estimates for common extension builder jobs in Cosgrove;
| Job | Estimate |
| Underpinning a house | £17305 |
| Build a two storey extension | £87708 |
| Build a timber frame extension | £25805 |
| Install a swimming pool | £80805 |
| Cost to build a single storey extension | £46102 |
| Cost to build a side return extension | £35308 |
| Install an RSJ | £2005 |
| Build an outbuilding | £9805 |
| Build a mansard loft conversion | £51805 |
| Cost of a loft conversion | £31923 |
| Build a kitchen extension | £41805 |
| Build a hip to gable loft conversion | £41805 |
| Build a granny annexe | £86805 |
| Build a garden office | £9805 |
| Convert a garage | £15805 |
| Build a new garage | £18305 |
| Build a flat roof extension | £21805 |
| Build a dormer loft conversion | £41805 |
| Lay a concrete foundation | £6055 |
| Convert a bungalow loft | £28805 |
| Basement conversion cost | £35308 |