Range from the cheapest single storey extension £29200 (Peter Borowski based in LA3) to the dearest single storey extension £50000 (MIKE CROWE BUILDING & CONSTRUC based in LA12).
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 LA17 by posting a job with HaMuch and we will send it to extension builders in LA17.
Job | Estimate |
Underpinning a house | £16974 |
Build a two storey extension | £87212 |
Build a timber frame extension | £25474 |
Install a swimming pool | £80474 |
Cost to build a single storey extension | £39487 |
Cost to build a side return extension | £31586 |
Install an RSJ | £1674 |
Build an outbuilding | £9474 |
Build a mansard loft conversion | £51474 |
Cost of a loft conversion | £28822 |
Build a kitchen extension | £41474 |
Build a hip to gable loft conversion | £41474 |
Build a granny annexe | £86474 |
Build a garden office | £9474 |
Convert a garage | £15474 |
Build a new garage | £17974 |
Build a flat roof extension | £21474 |
Build a dormer loft conversion | £41474 |
Lay a concrete foundation | £5724 |
Convert a bungalow loft | £28474 |
Basement conversion cost | £31586 |