Extension builder estimates (based on hourly rates) to build a single storey extension in Hampshire
Range from the cheapest single storey extension £42000 (Southdowns Builders Ltd based in GU31) to the dearest single storey extension £58000 (J Sutton Property Service based in GU35).
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 Hampshire by posting a job with HaMuch and we will send it to extension builders in Hampshire.
Estimates for common extension builder jobs in Hampshire;
| Job | Estimate |
| Underpinning a house | £17354 |
| Build a two storey extension | £87781 |
| Build a timber frame extension | £25854 |
| Install a swimming pool | £80854 |
| Cost to build a single storey extension | £47075 |
| Cost to build a side return extension | £35855 |
| Install an RSJ | £2054 |
| Build an outbuilding | £9854 |
| Build a mansard loft conversion | £51854 |
| Cost of a loft conversion | £32379 |
| Build a kitchen extension | £41854 |
| Build a hip to gable loft conversion | £41854 |
| Build a granny annexe | £86854 |
| Build a garden office | £9854 |
| Convert a garage | £15854 |
| Build a new garage | £18354 |
| Build a flat roof extension | £21854 |
| Build a dormer loft conversion | £41854 |
| Lay a concrete foundation | £6104 |
| Convert a bungalow loft | £28854 |
| Basement conversion cost | £35855 |