Extension builder estimates (based on hourly rates) to build a single storey extension in CT16
Range from the cheapest single storey extension £30800 (SG Groundworks based in CT14) to the dearest single storey extension £58000 (IAN HOTHAM BUILDING & MAINTENANCE based in CT18).
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 CT16 by posting a job with HaMuch and we will send it to extension builders in CT16.
Estimates for common extension builder jobs in CT16;
| Job | Estimate |
| Underpinning a house | £17070 |
| Build a two storey extension | £87355 |
| Build a timber frame extension | £25570 |
| Install a swimming pool | £80570 |
| Cost to build a single storey extension | £41405 |
| Cost to build a side return extension | £32665 |
| Install an RSJ | £1770 |
| Build an outbuilding | £9570 |
| Build a mansard loft conversion | £51570 |
| Cost of a loft conversion | £29721 |
| Build a kitchen extension | £41570 |
| Build a hip to gable loft conversion | £41570 |
| Build a granny annexe | £86570 |
| Build a garden office | £9570 |
| Convert a garage | £15570 |
| Build a flat roof extension | £21570 |
| Build a dormer loft conversion | £41570 |
| Lay a concrete foundation | £5820 |
| Convert a bungalow loft | £28570 |
| Basement conversion cost | £32665 |