Extension builder estimates (based on hourly rates) to build a single storey extension in Br
Range from the cheapest single storey extension £38800 (London Quality Construction Group Limited based in BR2) to the dearest single storey extension £58000 (Silverland design & build based in BR1).
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 Br by posting a job with HaMuch and we will send it to extension builders in Br.
Estimates for common extension builder jobs in Br;
| Job | Estimate |
| Underpinning a house | £17362 |
| Build a two storey extension | £87794 |
| Build a timber frame extension | £25862 |
| Install a swimming pool | £80862 |
| Cost to build a single storey extension | £47248 |
| Cost to build a side return extension | £35952 |
| Install an RSJ | £2062 |
| Build an outbuilding | £9862 |
| Build a mansard loft conversion | £51862 |
| Cost of a loft conversion | £32460 |
| Build a kitchen extension | £41862 |
| Build a hip to gable loft conversion | £41862 |
| Build a granny annexe | £86862 |
| Build a garden office | £9862 |
| Convert a garage | £15862 |
| Build a new garage | £18362 |
| Build a flat roof extension | £21862 |
| Build a dormer loft conversion | £41862 |
| Lay a concrete foundation | £6112 |
| Convert a bungalow loft | £28862 |
| Basement conversion cost | £35952 |