Extension builder estimates (based on hourly rates) to build a single storey extension in Leicester Square
Range from the cheapest single storey extension £46960 (HouseUP based in WC2H) to the dearest single storey extension £48880 (Gil Construction Ltd based in WC2H).
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 Leicester Square by posting a job with HaMuch and we will send it to extension builders in Leicester Square.
Estimates for common extension builder jobs in Leicester Square;
| Job | Estimate |
| Underpinning a house | £17406 |
| Build a two storey extension | £87858 |
| Build a timber frame extension | £25906 |
| Install a swimming pool | £80906 |
| Cost to build a single storey extension | £48112 |
| Cost to build a side return extension | £36438 |
| Install an RSJ | £2106 |
| Build an outbuilding | £9906 |
| Build a mansard loft conversion | £51906 |
| Cost of a loft conversion | £32865 |
| Build a kitchen extension | £41906 |
| Build a hip to gable loft conversion | £41906 |
| Build a granny annexe | £86906 |
| Build a garden office | £9906 |
| Convert a garage | £15906 |
| Build a new garage | £18406 |
| Build a flat roof extension | £21906 |
| Build a dormer loft conversion | £41906 |
| Lay a concrete foundation | £6156 |
| Convert a bungalow loft | £28906 |
| Basement conversion cost | £36438 |