Extension builder estimates (based on hourly rates) to build a single storey extension in Warrington
Range from the cheapest single storey extension £34000 (A.G.J. Site Services based in WA5) to the dearest single storey extension £51600 (GUD Builders based in WA10).
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 Warrington by posting a job with HaMuch and we will send it to extension builders in Warrington.
Estimates for common extension builder jobs in Warrington;
| Job | Estimate |
| Underpinning a house | £17056 |
| Build a two storey extension | £87334 |
| Build a timber frame extension | £25556 |
| Install a swimming pool | £80556 |
| Cost to build a single storey extension | £41117 |
| Cost to build a side return extension | £32503 |
| Install an RSJ | £1756 |
| Build an outbuilding | £9556 |
| Build a mansard loft conversion | £51556 |
| Cost of a loft conversion | £29586 |
| Build a kitchen extension | £41556 |
| Build a hip to gable loft conversion | £41556 |
| Build a granny annexe | £86556 |
| Build a garden office | £9556 |
| Convert a garage | £15556 |
| Build a flat roof extension | £21556 |
| Build a dormer loft conversion | £41556 |
| Lay a concrete foundation | £5806 |
| Convert a bungalow loft | £28556 |
| Basement conversion cost | £32503 |