Cheapest builders to convert your basement in Newmarket
Range from the cheapest Basement conversion £31200 (Sean W Scott General Builder based in IP28) to the dearest Basement conversion £36600 (L & S Builders & Brickwork based in IP33).
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 Newmarket by posting a job with HaMuch and we will send it to extension builders in Newmarket.
Estimates for common extension builder jobs in Newmarket;
| Job | Estimate |
| Underpinning a house | £17304 |
| Build a two storey extension | £87706 |
| Build a timber frame extension | £25804 |
| Install a swimming pool | £80804 |
| Cost to build a single storey extension | £46083 |
| Cost to build a side return extension | £35297 |
| Install an RSJ | £2004 |
| Build an outbuilding | £9804 |
| Build a mansard loft conversion | £51804 |
| Cost of a loft conversion | £31914 |
| Build a kitchen extension | £41804 |
| Build a hip to gable loft conversion | £41804 |
| Build a granny annexe | £86804 |
| Build a garden office | £9804 |
| Convert a garage | £15804 |
| Build a new garage | £18304 |
| Build a flat roof extension | £21804 |
| Build a dormer loft conversion | £41804 |
| Lay a concrete foundation | £6054 |
| Convert a bungalow loft | £28804 |
| Basement conversion cost | £35297 |