Range from the cheapest single storey extension £34000 (Howden Build based in DN17) to the dearest single storey extension £74000 (Green Exteriors Ltd based in S60).
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 Intake by posting a job with HaMuch and we will send it to extension builders in Intake.
27/03/2024
Single storey extension
Job | Estimate |
Underpinning a house | £17242 |
Build a two storey extension | £87613 |
Build a timber frame extension | £25742 |
Install a swimming pool | £80742 |
Cost to build a single storey extension | £44842 |
Cost to build a side return extension | £34598 |
Install an RSJ | £1942 |
Build an outbuilding | £9742 |
Build a mansard loft conversion | £51742 |
Cost of a loft conversion | £31332 |
Build a kitchen extension | £41742 |
Build a hip to gable loft conversion | £41742 |
Build a granny annexe | £86742 |
Build a garden office | £9742 |
Convert a garage | £15742 |
Build a new garage | £18242 |
Build a flat roof extension | £21742 |
Build a dormer loft conversion | £41742 |
Lay a concrete foundation | £5992 |
Convert a bungalow loft | £28742 |
Basement conversion cost | £34598 |