Extension builder estimates (based on hourly rates) to build a single storey extension in BH17
Range from the cheapest single storey extension £30800 (GMD Roofing based in BH15) to the dearest single storey extension £46800 (Ground Up Building Services Ltd based in BH15).
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 BH17 by posting a job with HaMuch and we will send it to extension builders in BH17.
Estimates for common extension builder jobs in BH17;
| Job | Estimate |
| Underpinning a house | £17197 |
| Build a two storey extension | £87545 |
| Build a timber frame extension | £25697 |
| Install a swimming pool | £80697 |
| Cost to build a single storey extension | £43939 |
| Cost to build a side return extension | £34091 |
| Install an RSJ | £1897 |
| Build an outbuilding | £9697 |
| Build a mansard loft conversion | £51697 |
| Cost of a loft conversion | £30909 |
| Build a kitchen extension | £41697 |
| Build a hip to gable loft conversion | £41697 |
| Build a granny annexe | £86697 |
| Build a garden office | £9697 |
| Convert a garage | £15697 |
| Build a new garage | £18197 |
| Build a flat roof extension | £21697 |
| Build a dormer loft conversion | £41697 |
| Lay a concrete foundation | £5947 |
| Convert a bungalow loft | £28697 |
| Basement conversion cost | £34091 |