Extension builder estimates (based on hourly rates) to build a single storey extension in Penrhyndeudraeth
Range from the cheapest single storey extension £31600 (Building & Flat Roofing Contractors based in LL54) to the dearest single storey extension £36720 (Hughes Construction 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 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
Single storey extension cost in Penrhyndeudraeth
| Business name | Single storey extension cost |
|---|---|
| Building & Flat Roofing Contractors, Caernarfon, LL54 | £31600 |
| W A Mitchell, Caernarfon, LL54 | £34000 |
| WJ Builders, Pwllheli, LL53 | £32400 |
| Hughes Construction, , LL57 | £36720 |