Cheapest builders to convert your basement in Penrhyndeudraeth
Range from the cheapest Basement conversion £27150 (Building & Flat Roofing Contractors based in LL54) to the dearest Basement conversion £30030 (Hughes Construction 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 Penrhyndeudraeth by posting a job with HaMuch and we will send it to extension builders in Penrhyndeudraeth.
Estimates for common extension builder jobs in Penrhyndeudraeth;
| Job | Estimate |
| Underpinning a house | £16684 |
| Build a two storey extension | £86776 |
| Build a timber frame extension | £25184 |
| Install a swimming pool | £80184 |
| Cost to build a single storey extension | £33680 |
| Cost to build a side return extension | £28320 |
| Install an RSJ | £1384 |
| Build an outbuilding | £9184 |
| Build a mansard loft conversion | £51184 |
| Cost of a loft conversion | £26100 |
| Build a kitchen extension | £41184 |
| Build a hip to gable loft conversion | £41184 |
| Build a granny annexe | £86184 |
| Build a garden office | £9184 |
| Convert a garage | £15184 |
| Build a new garage | £17684 |
| Build a flat roof extension | £21184 |
| Build a dormer loft conversion | £41184 |
| Lay a concrete foundation | £5434 |
| Convert a bungalow loft | £28184 |
| Basement conversion cost | £28320 |
Rates for other Penrhyndeudraeth trades
Basement conversion cost in Penrhyndeudraeth
| Business name | Basement conversion cost |
|---|---|
| Building & Flat Roofing Contractors, Caernarfon, LL54 | £27150 |
| W A Mitchell, Caernarfon, LL54 | £28500 |
| WJ Builders, Pwllheli, LL53 | £27600 |
| Hughes Construction, , LL57 | £30030 |