Extension builder estimates (based on hourly rates) to build a single storey extension in City Of Derby
Range from the cheapest single storey extension £40720 (Lychgate Homes Ltd & Lychgate Bespoke Build Ltd based in LE65) to the dearest single storey extension £58000 (Top Floar Property Services based in DE14).
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 City Of Derby by posting a job with HaMuch and we will send it to extension builders in City Of Derby.
Estimates for common extension builder jobs in City Of Derby;
| Job | Estimate |
| Underpinning a house | £17191 |
| Build a two storey extension | £87536 |
| Build a timber frame extension | £25691 |
| Install a swimming pool | £80691 |
| Cost to build a single storey extension | £43811 |
| Cost to build a side return extension | £34019 |
| Install an RSJ | £1891 |
| Build an outbuilding | £9691 |
| Build a mansard loft conversion | £51691 |
| Cost of a loft conversion | £30849 |
| Build a kitchen extension | £41691 |
| Build a hip to gable loft conversion | £41691 |
| Build a granny annexe | £86691 |
| Build a garden office | £9691 |
| Convert a garage | £15691 |
| Build a new garage | £18191 |
| Build a flat roof extension | £21691 |
| Build a dormer loft conversion | £41691 |
| Lay a concrete foundation | £5941 |
| Convert a bungalow loft | £28691 |
| Basement conversion cost | £34019 |