Cheapest builders to convert your basement in LL70
Range from the cheapest Basement conversion £27150 (Building & Flat Roofing Contractors based in LL54) to the dearest Basement conversion £33000 (W F CLAYTON & CO LTD based in LL57).
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 LL70 by posting a job with HaMuch and we will send it to extension builders in LL70.
Estimates for common extension builder jobs in LL70;
| Job | Estimate |
| Underpinning a house | £16825 |
| Build a two storey extension | £86987 |
| Build a timber frame extension | £25325 |
| Install a swimming pool | £80325 |
| Cost to build a single storey extension | £36496 |
| Cost to build a side return extension | £29904 |
| Install an RSJ | £1525 |
| Build an outbuilding | £9325 |
| Build a mansard loft conversion | £51325 |
| Cost of a loft conversion | £27420 |
| Build a kitchen extension | £41325 |
| Build a hip to gable loft conversion | £41325 |
| Build a granny annexe | £86325 |
| Build a garden office | £9325 |
| Convert a garage | £15325 |
| Build a new garage | £17825 |
| Build a flat roof extension | £21325 |
| Build a dormer loft conversion | £41325 |
| Lay a concrete foundation | £5575 |
| Convert a bungalow loft | £28325 |
| Basement conversion cost | £29904 |
Rates for other LL70 trades
Extension Builders in LL70
| Business name | Basement conversion cost |
|---|---|
| Property Maintenance Solutions, Benllech , LL74 | £29400 |
| Glyndwr Roofing & Building Services, , LL65 | £29850 |
| Balmoral joinery/construction , Gaerwen gwynedd , LL60 | £30120 |
| W F CLAYTON & CO LTD, Bangor, LL57 | £33000 |
| Building & Flat Roofing Contractors, Caernarfon, LL54 | £27150 |