Extension builder estimates (based on hourly rates) to build a single storey extension in Cannon Street
Range from the cheapest single storey extension £46960 (Volute London based in EC4N) to the dearest single storey extension £48880 (GenUp Digital based in EC3M).
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 Cannon Street by posting a job with HaMuch and we will send it to extension builders in Cannon Street.
Estimates for common extension builder jobs in Cannon Street;
| Job | Estimate |
| Underpinning a house | £17384 |
| Build a two storey extension | £87825 |
| Build a timber frame extension | £25884 |
| Install a swimming pool | £80884 |
| Cost to build a single storey extension | £47670 |
| Cost to build a side return extension | £36190 |
| Install an RSJ | £2084 |
| Build an outbuilding | £9884 |
| Build a mansard loft conversion | £51884 |
| Cost of a loft conversion | £32658 |
| Build a kitchen extension | £41884 |
| Build a hip to gable loft conversion | £41884 |
| Build a granny annexe | £86884 |
| Build a garden office | £9884 |
| Convert a garage | £15884 |
| Build a new garage | £18384 |
| Build a flat roof extension | £21884 |
| Build a dormer loft conversion | £41884 |
| Lay a concrete foundation | £6134 |
| Convert a bungalow loft | £28884 |
| Basement conversion cost | £36190 |