Extension builder estimates (based on hourly rates) to build a single storey extension in BD11
Range from the cheapest single storey extension £29200 (T & B Builders based in WF17) to the dearest single storey extension £45200 (DAVID HARRISON BUILDING based in BD12).
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 BD11 by posting a job with HaMuch and we will send it to extension builders in BD11.
Estimates for common extension builder jobs in BD11;
| Job | Estimate |
| Underpinning a house | £17075 |
| Build a two storey extension | £87363 |
| Build a timber frame extension | £25575 |
| Install a swimming pool | £80575 |
| Cost to build a single storey extension | £41507 |
| Cost to build a side return extension | £32723 |
| Install an RSJ | £1775 |
| Build an outbuilding | £9575 |
| Build a mansard loft conversion | £51575 |
| Cost of a loft conversion | £29769 |
| Build a kitchen extension | £41575 |
| Build a hip to gable loft conversion | £41575 |
| Build a granny annexe | £86575 |
| Build a garden office | £9575 |
| Convert a garage | £15575 |
| Build a new garage | £18075 |
| Build a flat roof extension | £21575 |
| Build a dormer loft conversion | £41575 |
| Lay a concrete foundation | £5825 |
| Convert a bungalow loft | £28575 |
| Basement conversion cost | £32723 |