Extension builder estimates (based on hourly rates) to build a single storey extension in NP19
Range from the cheapest single storey extension £29200 (A.Gaddarn Builders based in NP11) to the dearest single storey extension £54800 (MERIT SW LTD based in Bs20).
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 NP19 by posting a job with HaMuch and we will send it to extension builders in NP19.
Estimates for common extension builder jobs in NP19;
| Job | Estimate |
| Underpinning a house | £17025 |
| Build a two storey extension | £87287 |
| Build a timber frame extension | £25525 |
| Install a swimming pool | £80525 |
| Cost to build a single storey extension | £40496 |
| Cost to build a side return extension | £32154 |
| Install an RSJ | £1725 |
| Build an outbuilding | £9525 |
| Build a mansard loft conversion | £51525 |
| Cost of a loft conversion | £29295 |
| Build a kitchen extension | £41525 |
| Build a hip to gable loft conversion | £41525 |
| Build a granny annexe | £86525 |
| Build a garden office | £9525 |
| Convert a garage | £15525 |
| Build a new garage | £18025 |
| Build a flat roof extension | £21525 |
| Build a dormer loft conversion | £41525 |
| Lay a concrete foundation | £5775 |
| Convert a bungalow loft | £28525 |
| Basement conversion cost | £32154 |