Range from the cheapest single storey extension £35600 (M. L. Property solutions based in Gl15) to the dearest single storey extension £48400 (CJW BUILDING SERVICES LIMITED based in BS37).
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 GL12 by posting a job with HaMuch and we will send it to extension builders in GL12.
Job | Estimate |
Underpinning a house | £17180 |
Build a two storey extension | £87520 |
Build a timber frame extension | £25680 |
Install a swimming pool | £80680 |
Cost to build a single storey extension | £43600 |
Cost to build a side return extension | £33900 |
Install an RSJ | £1880 |
Build an outbuilding | £9680 |
Build a mansard loft conversion | £51680 |
Cost of a loft conversion | £30750 |
Build a kitchen extension | £41680 |
Build a hip to gable loft conversion | £41680 |
Build a granny annexe | £86680 |
Build a garden office | £9680 |
Convert a garage | £15680 |
Build a new garage | £18180 |
Build a flat roof extension | £21680 |
Build a dormer loft conversion | £41680 |
Lay a concrete foundation | £5930 |
Convert a bungalow loft | £28680 |
Basement conversion cost | £33900 |