Cheapest builders to convert your basement in CM16
Range from the cheapest Basement conversion £31200 (Mayfair Site Services Ltd based in CM19) to the dearest Basement conversion £37500 (RBM Building based in en9).
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 CM16 by posting a job with HaMuch and we will send it to extension builders in CM16.
Estimates for common extension builder jobs in CM16;
| Job | Estimate |
| Underpinning a house | £17348 |
| Build a two storey extension | £87772 |
| Build a timber frame extension | £25848 |
| Install a swimming pool | £80848 |
| Cost to build a single storey extension | £46966 |
| Cost to build a side return extension | £35794 |
| Install an RSJ | £2048 |
| Build an outbuilding | £9848 |
| Build a mansard loft conversion | £51848 |
| Cost of a loft conversion | £32328 |
| Build a kitchen extension | £41848 |
| Build a hip to gable loft conversion | £41848 |
| Build a granny annexe | £86848 |
| Build a garden office | £9848 |
| Convert a garage | £15848 |
| Build a new garage | £18348 |
| Build a flat roof extension | £21848 |
| Build a dormer loft conversion | £41848 |
| Lay a concrete foundation | £6098 |
| Convert a bungalow loft | £28848 |
| Basement conversion cost | £35794 |