Extension builder estimates (based on hourly rates) to build a single storey extension in LN1
Range from the cheapest single storey extension £32400 (KIPS BUILDERS based in NG34) to the dearest single storey extension £46960 (Gilman+Child based in DN22).
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 LN1 by posting a job with HaMuch and we will send it to extension builders in LN1.
Estimates for common extension builder jobs in LN1;
| Job | Estimate |
| Underpinning a house | £17014 |
| Build a two storey extension | £87271 |
| Build a timber frame extension | £25514 |
| Install a swimming pool | £80514 |
| Cost to build a single storey extension | £40278 |
| Cost to build a side return extension | £32032 |
| Install an RSJ | £1714 |
| Build an outbuilding | £9514 |
| Build a mansard loft conversion | £51514 |
| Cost of a loft conversion | £29193 |
| Build a kitchen extension | £41514 |
| Build a hip to gable loft conversion | £41514 |
| Build a granny annexe | £86514 |
| Build a garden office | £9514 |
| Convert a garage | £15514 |
| Build a new garage | £18014 |
| Build a flat roof extension | £21514 |
| Build a dormer loft conversion | £41514 |
| Lay a concrete foundation | £5764 |
| Convert a bungalow loft | £28514 |
| Basement conversion cost | £32032 |