Extension builder estimates (based on hourly rates) to build a single storey extension in Garndolbenmaen
Range from the cheapest single storey extension £31600 (Building & Flat Roofing Contractors based in LL54) to the dearest single storey extension £42000 (W F CLAYTON & CO LTD based in LL57).
Comparing extension builders estimates for fitting a downstairs toilet 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 to build a single storey extension in Garndolbenmaen by posting a job with HaMuch and we will send it to extension builders in Garndolbenmaen.
Estimates for common extension builder jobs in Garndolbenmaen;
| Job | Estimate |
| Underpinning a house | £16808 |
| Build a two storey extension | £86962 |
| Build a timber frame extension | £25308 |
| Install a swimming pool | £80308 |
| Cost to build a single storey extension | £36160 |
| Cost to build a side return extension | £29715 |
| Install an RSJ | £1508 |
| Build an outbuilding | £9308 |
| Build a mansard loft conversion | £51308 |
| Cost of a loft conversion | £27263 |
| Build a kitchen extension | £41308 |
| Build a hip to gable loft conversion | £41308 |
| Build a granny annexe | £86308 |
| Build a garden office | £9308 |
| Convert a garage | £15308 |
| Build a new garage | £17808 |
| Build a flat roof extension | £21308 |
| Build a dormer loft conversion | £41308 |
| Lay a concrete foundation | £5558 |
| Convert a bungalow loft | £28308 |
| Basement conversion cost | £29715 |
Rates for other Garndolbenmaen trades
Extension Builders in Garndolbenmaen
| Business name | Single storey extension cost |
|---|---|
| Bryn Pritchard Ltd - Building Contractors, Garndolbenmaen, LL51 | £40080 |
| W A Mitchell, Caernarfon, LL54 | £34000 |
| Building & Flat Roofing Contractors, Caernarfon, LL54 | £31600 |
| WJ Builders, Pwllheli, LL53 | £32400 |
| Balmoral joinery/construction , Gaerwen gwynedd , LL60 | £36880 |
| W F CLAYTON & CO LTD, Bangor, LL57 | £42000 |