Cheapest builders to convert your basement in LL41
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 LL41 by posting a job with HaMuch and we will send it to extension builders in LL41.
Estimates for common extension builder jobs in LL41;
| Job | Estimate |
| Underpinning a house | £16846 |
| Build a two storey extension | £87019 |
| Build a timber frame extension | £25346 |
| Install a swimming pool | £80346 |
| Cost to build a single storey extension | £36920 |
| Cost to build a side return extension | £30143 |
| Install an RSJ | £1546 |
| Build an outbuilding | £9346 |
| Build a mansard loft conversion | £51346 |
| Cost of a loft conversion | £27619 |
| Build a kitchen extension | £41346 |
| Build a hip to gable loft conversion | £41346 |
| Build a granny annexe | £86346 |
| Build a garden office | £9346 |
| Convert a garage | £15346 |
| Build a new garage | £17846 |
| Build a flat roof extension | £21346 |
| Build a dormer loft conversion | £41346 |
| Lay a concrete foundation | £5596 |
| Convert a bungalow loft | £28346 |
| Basement conversion cost | £30143 |
Rates for other LL41 trades
Extension Builders in LL41
| Business name | Basement conversion cost |
|---|---|
| Bryn Pritchard Ltd - Building Contractors, Garndolbenmaen, LL51 | £31920 |
| Building & Flat Roofing Contractors, Caernarfon, LL54 | £27150 |
| W A Mitchell, Caernarfon, LL54 | £28500 |
| W F CLAYTON & CO LTD, Bangor, LL57 | £33000 |