Extension builder estimates (based on hourly rates) to build a single storey extension in SG10
Range from the cheapest single storey extension £26000 (V S M Property Services Ltd based in CM23) to the dearest single storey extension £50160 (Reid James Ltd based in SG11).
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 SG10 by posting a job with HaMuch and we will send it to extension builders in SG10.
Estimates for common extension builder jobs in SG10;
| Job | Estimate |
| Underpinning a house | £17325 |
| Build a two storey extension | £87737 |
| Build a timber frame extension | £25825 |
| Install a swimming pool | £80825 |
| Cost to build a single storey extension | £46493 |
| Cost to build a side return extension | £35527 |
| Install an RSJ | £2025 |
| Build an outbuilding | £9825 |
| Build a mansard loft conversion | £51825 |
| Cost of a loft conversion | £32106 |
| Build a kitchen extension | £41825 |
| Build a hip to gable loft conversion | £41825 |
| Build a granny annexe | £86825 |
| Build a garden office | £9825 |
| Convert a garage | £15825 |
| Build a new garage | £18325 |
| Build a flat roof extension | £21825 |
| Build a dormer loft conversion | £41825 |
| Lay a concrete foundation | £6075 |
| Convert a bungalow loft | £28825 |
| Basement conversion cost | £35527 |