Extension builder estimates (based on hourly rates) to build a single storey extension in EN8
Range from the cheapest single storey extension £46320 (Herts Renovations based in EN7) to the dearest single storey extension £66000 (Flamstead Building Services Ltd based in EN8).
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 EN8 by posting a job with HaMuch and we will send it to extension builders in EN8.
Estimates for common extension builder jobs in EN8;
| Job | Estimate |
| Underpinning a house | £17405 |
| Build a two storey extension | £87858 |
| Build a timber frame extension | £25905 |
| Install a swimming pool | £80905 |
| Cost to build a single storey extension | £48106 |
| Cost to build a side return extension | £36434 |
| Install an RSJ | £2105 |
| Build an outbuilding | £9905 |
| Build a mansard loft conversion | £51905 |
| Cost of a loft conversion | £32862 |
| Build a kitchen extension | £41905 |
| Build a hip to gable loft conversion | £41905 |
| Build a granny annexe | £86905 |
| Build a garden office | £9905 |
| Convert a garage | £15905 |
| Build a new garage | £18405 |
| Build a flat roof extension | £21905 |
| Build a dormer loft conversion | £41905 |
| Lay a concrete foundation | £6155 |
| Convert a bungalow loft | £28905 |
| Basement conversion cost | £36434 |