Range from the cheapest single storey extension £40720 (Limehouse design & build based in YO26) to the dearest single storey extension £43280 (Zia Developments based in LS17).
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 Boston Spa by posting a job with HaMuch and we will send it to extension builders in Boston Spa.
Job | Estimate |
Underpinning a house | £17089 |
Build a two storey extension | £87384 |
Build a timber frame extension | £25589 |
Install a swimming pool | £80589 |
Cost to build a single storey extension | £41789 |
Cost to build a side return extension | £32881 |
Install an RSJ | £1789 |
Build an outbuilding | £9589 |
Build a mansard loft conversion | £51589 |
Cost of a loft conversion | £29901 |
Build a kitchen extension | £41589 |
Build a hip to gable loft conversion | £41589 |
Build a granny annexe | £86589 |
Build a garden office | £9589 |
Convert a garage | £15589 |
Build a new garage | £18089 |
Build a flat roof extension | £21589 |
Build a dormer loft conversion | £41589 |
Lay a concrete foundation | £5839 |
Convert a bungalow loft | £28589 |
Basement conversion cost | £32881 |