Extension builder estimates (based on hourly rates) to build a single storey extension in NR5
Range from the cheapest single storey extension £32400 (RM contractors based in Nr20) to the dearest single storey extension £47600 (Halls Property Services Ltd - Independent Network Installer based in NR11).
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 NR5 by posting a job with HaMuch and we will send it to extension builders in NR5.
Estimates for common extension builder jobs in NR5;
| Job | Estimate |
| Underpinning a house | £16918 |
| Build a two storey extension | £87126 |
| Build a timber frame extension | £25418 |
| Install a swimming pool | £80418 |
| Cost to build a single storey extension | £38352 |
| Cost to build a side return extension | £30948 |
| Install an RSJ | £1618 |
| Build an outbuilding | £9418 |
| Build a mansard loft conversion | £51418 |
| Cost of a loft conversion | £28290 |
| Build a kitchen extension | £41418 |
| Build a hip to gable loft conversion | £41418 |
| Build a granny annexe | £86418 |
| Build a garden office | £9418 |
| Convert a garage | £15418 |
| Build a new garage | £17918 |
| Build a flat roof extension | £21418 |
| Build a dormer loft conversion | £41418 |
| Lay a concrete foundation | £5668 |
| Convert a bungalow loft | £28418 |
| Basement conversion cost | £30948 |