Extension builder estimates (based on hourly rates) to build a single storey extension in HD8
Range from the cheapest single storey extension £29200 (T & B Builders based in WF17) to the dearest single storey extension £86800 (Diamond Construction (Glazing) based in HX6).
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 HD8 by posting a job with HaMuch and we will send it to extension builders in HD8.
Estimates for common extension builder jobs in HD8;
| Job | Estimate |
| Underpinning a house | £17160 |
| Build a two storey extension | £87489 |
| Build a timber frame extension | £25660 |
| Install a swimming pool | £80660 |
| Cost to build a single storey extension | £43190 |
| Cost to build a side return extension | £33670 |
| Install an RSJ | £1860 |
| Build an outbuilding | £9660 |
| Build a mansard loft conversion | £51660 |
| Cost of a loft conversion | £30558 |
| Build a kitchen extension | £41660 |
| Build a hip to gable loft conversion | £41660 |
| Build a granny annexe | £86660 |
| Build a garden office | £9660 |
| Convert a garage | £15660 |
| Build a new garage | £18160 |
| Build a flat roof extension | £21660 |
| Build a dormer loft conversion | £41660 |
| Lay a concrete foundation | £5910 |
| Convert a bungalow loft | £28660 |
| Basement conversion cost | £33670 |