Cheapest builders to convert your basement in MK18
Range from the cheapest Basement conversion £31200 (1994 based in OX26) to the dearest Basement conversion £37680 (GDM Electrical Buckinghamshire Ltd based in LU7).
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 MK18 by posting a job with HaMuch and we will send it to extension builders in MK18.
Estimates for common extension builder jobs in MK18;
| Job | Estimate |
| Underpinning a house | £17259 |
| Build a two storey extension | £87638 |
| Build a timber frame extension | £25759 |
| Install a swimming pool | £80759 |
| Cost to build a single storey extension | £45174 |
| Cost to build a side return extension | £34786 |
| Install an RSJ | £1959 |
| Build an outbuilding | £9759 |
| Build a mansard loft conversion | £51759 |
| Cost of a loft conversion | £31488 |
| Build a kitchen extension | £41759 |
| Build a hip to gable loft conversion | £41759 |
| Build a granny annexe | £86759 |
| Build a garden office | £9759 |
| Convert a garage | £15759 |
| Build a new garage | £18259 |
| Build a flat roof extension | £21759 |
| Build a dormer loft conversion | £41759 |
| Lay a concrete foundation | £6009 |
| Convert a bungalow loft | £28759 |
| Basement conversion cost | £34786 |