Range from the cheapest single storey extension £47120 (Cortec Ltd based in GU7) to the dearest single storey extension £82000 (Websites 4 Trades based in GU7).
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 Gu by posting a job with HaMuch and we will send it to extension builders in Gu.
19/04/2024
Single storey extension
Job | Estimate |
Underpinning a house | £17541 |
Build a two storey extension | £88061 |
Build a timber frame extension | £26041 |
Install a swimming pool | £81041 |
Cost to build a single storey extension | £50819 |
Cost to build a side return extension | £37961 |
Install an RSJ | £2241 |
Build an outbuilding | £10041 |
Build a mansard loft conversion | £52041 |
Cost of a loft conversion | £34134 |
Build a kitchen extension | £42041 |
Build a hip to gable loft conversion | £42041 |
Build a granny annexe | £87041 |
Build a garden office | £10041 |
Convert a garage | £16041 |
Build a new garage | £18541 |
Build a flat roof extension | £22041 |
Build a dormer loft conversion | £42041 |
Lay a concrete foundation | £6291 |
Convert a bungalow loft | £29041 |
Basement conversion cost | £37961 |