Range from the cheapest single storey extension £34000 (C O JOYCE LIMITED based in BA16) to the dearest single storey extension £58000 (Neil Massey Roofing Contractor based in BA21).
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 Castle Cary by posting a job with HaMuch and we will send it to extension builders in Castle Cary.
Job | Estimate |
Underpinning a house | £17298 |
Build a two storey extension | £87697 |
Build a timber frame extension | £25798 |
Install a swimming pool | £80798 |
Cost to build a single storey extension | £45962 |
Cost to build a side return extension | £35228 |
Install an RSJ | £1998 |
Build an outbuilding | £9798 |
Build a mansard loft conversion | £51798 |
Cost of a loft conversion | £31857 |
Build a kitchen extension | £41798 |
Build a hip to gable loft conversion | £41798 |
Build a granny annexe | £86798 |
Build a garden office | £9798 |
Convert a garage | £15798 |
Build a new garage | £18298 |
Build a flat roof extension | £21798 |
Build a dormer loft conversion | £41798 |
Lay a concrete foundation | £6048 |
Convert a bungalow loft | £28798 |
Basement conversion cost | £35228 |