Extension builder estimates (based on hourly rates) to build a single storey extension in Criccieth
Range from the cheapest single storey extension £31600 (Building & Flat Roofing Contractors based in LL54) to the dearest single storey extension £36880 (Balmoral joinery/construction based in LL60).
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 Criccieth by posting a job with HaMuch and we will send it to extension builders in Criccieth.
Estimates for common extension builder jobs in Criccieth;
| Job | Estimate |
| Underpinning a house | £16686 |
| Build a two storey extension | £86779 |
| Build a timber frame extension | £25186 |
| Install a swimming pool | £80186 |
| Cost to build a single storey extension | £33720 |
| Cost to build a side return extension | £28343 |
| Install an RSJ | £1386 |
| Build an outbuilding | £9186 |
| Build a mansard loft conversion | £51186 |
| Cost of a loft conversion | £26119 |
| Build a kitchen extension | £41186 |
| Build a hip to gable loft conversion | £41186 |
| Build a granny annexe | £86186 |
| Build a garden office | £9186 |
| Convert a garage | £15186 |
| Build a new garage | £17686 |
| Build a flat roof extension | £21186 |
| Build a dormer loft conversion | £41186 |
| Lay a concrete foundation | £5436 |
| Convert a bungalow loft | £28186 |
| Basement conversion cost | £28343 |
Rates for other Criccieth trades
Single storey extension cost in Criccieth
| Business name | Single storey extension cost |
|---|---|
| WJ Builders, Pwllheli, LL53 | £32400 |
| W A Mitchell, Caernarfon, LL54 | £34000 |
| Building & Flat Roofing Contractors, Caernarfon, LL54 | £31600 |
| Balmoral joinery/construction , Gaerwen gwynedd , LL60 | £36880 |