Extension builder estimates (based on hourly rates) to build a single storey extension in NN8
Range from the cheapest single storey extension £10320 (Swift Serve Solutions Ltd based in NN8) to the dearest single storey extension £66000 (STRANDOR ROOFING LTD based in NN6).
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 NN8 by posting a job with HaMuch and we will send it to extension builders in NN8.
Estimates for common extension builder jobs in NN8;
| Job | Estimate |
| Underpinning a house | £17091 |
| Build a two storey extension | £87387 |
| Build a timber frame extension | £25591 |
| Install a swimming pool | £80591 |
| Cost to build a single storey extension | £41821 |
| Cost to build a side return extension | £32899 |
| Install an RSJ | £1791 |
| Build an outbuilding | £9591 |
| Build a mansard loft conversion | £51591 |
| Cost of a loft conversion | £29916 |
| Build a kitchen extension | £41591 |
| Build a hip to gable loft conversion | £41591 |
| Build a granny annexe | £86591 |
| Build a garden office | £9591 |
| Convert a garage | £15591 |
| Build a new garage | £18091 |
| Build a flat roof extension | £21591 |
| Build a dormer loft conversion | £41591 |
| Lay a concrete foundation | £5841 |
| Convert a bungalow loft | £28591 |
| Basement conversion cost | £32899 |