Extension builder estimates (based on hourly rates) to build a single storey extension in CA16
Range from the cheapest single storey extension £38320 (NEWBY BUILDING & CONSTRUCTION based in CA10) to the dearest single storey extension £42960 (ROJ.house based in LA9).
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 CA16 by posting a job with HaMuch and we will send it to extension builders in CA16.
Estimates for common extension builder jobs in CA16;
| Job | Estimate |
| Underpinning a house | £17058 |
| Build a two storey extension | £87337 |
| Build a timber frame extension | £25558 |
| Install a swimming pool | £80558 |
| Cost to build a single storey extension | £41160 |
| Cost to build a side return extension | £32528 |
| Install an RSJ | £1758 |
| Build an outbuilding | £9558 |
| Build a mansard loft conversion | £51558 |
| Cost of a loft conversion | £29606 |
| Build a kitchen extension | £41558 |
| Build a hip to gable loft conversion | £41558 |
| Build a granny annexe | £86558 |
| Build a garden office | £9558 |
| Convert a garage | £15558 |
| Build a new garage | £18058 |
| Build a flat roof extension | £21558 |
| Build a dormer loft conversion | £41558 |
| Lay a concrete foundation | £5808 |
| Convert a bungalow loft | £28558 |
| Basement conversion cost | £32528 |
Rates for other CA16 trades
Extension Builders in CA16
| Business name | Single storey extension cost |
|---|---|
| NEWBY BUILDING & CONSTRUCTION, , CA10 | £38320 |
| ROJ.house, Cumbria, LA9 | £42960 |
| STEPHEN FELLER (BUILDER), , LA9 | £41360 |
| Absolute Build, Kendal, LA9 | £42000 |