Cheapest builders to convert your basement in TA20
Range from the cheapest Basement conversion £28500 (MAPLEWOOD PROPERTY MAINTENANCE based in TA21) to the dearest Basement conversion £51720 (Ashlar Historic Building Repairs based in DT6).
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 TA20 by posting a job with HaMuch and we will send it to extension builders in TA20.
Estimates for common extension builder jobs in TA20;
| Job | Estimate |
| Underpinning a house | £17313 |
| Build a two storey extension | £87720 |
| Build a timber frame extension | £25813 |
| Install a swimming pool | £80813 |
| Cost to build a single storey extension | £46262 |
| Cost to build a side return extension | £35398 |
| Install an RSJ | £2013 |
| Build an outbuilding | £9813 |
| Build a mansard loft conversion | £51813 |
| Cost of a loft conversion | £31998 |
| Build a kitchen extension | £41813 |
| Build a hip to gable loft conversion | £41813 |
| Build a granny annexe | £86813 |
| Build a garden office | £9813 |
| Convert a garage | £15813 |
| Build a new garage | £18313 |
| Build a flat roof extension | £21813 |
| Build a dormer loft conversion | £41813 |
| Lay a concrete foundation | £6063 |
| Convert a bungalow loft | £28813 |
| Basement conversion cost | £35398 |