Range from the cheapest single storey extension £29200 (P K BUILDING based in TA8) to the dearest single storey extension £54800 (WMP Builders based in TA9).
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 BS23 by posting a job with HaMuch and we will send it to extension builders in BS23.
Job | Estimate |
Underpinning a house | £17171 |
Build a two storey extension | £87506 |
Build a timber frame extension | £25671 |
Install a swimming pool | £80671 |
Cost to build a single storey extension | £43414 |
Cost to build a side return extension | £33796 |
Install an RSJ | £1871 |
Build an outbuilding | £9671 |
Build a mansard loft conversion | £51671 |
Cost of a loft conversion | £30663 |
Build a kitchen extension | £41671 |
Build a hip to gable loft conversion | £41671 |
Build a granny annexe | £86671 |
Build a garden office | £9671 |
Convert a garage | £15671 |
Build a new garage | £18171 |
Build a flat roof extension | £21671 |
Build a dormer loft conversion | £41671 |
Lay a concrete foundation | £5921 |
Convert a bungalow loft | £28671 |
Basement conversion cost | £33796 |