Range from the cheapest single storey extension £20880 (Leon Morgan based in NP12) to the dearest single storey extension £42160 (JSP Building Contractors Ltd based in NP4).
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 CF82 by posting a job with HaMuch and we will send it to extension builders in CF82.
Job | Estimate |
Underpinning a house | £16915 |
Build a two storey extension | £87123 |
Build a timber frame extension | £25415 |
Install a swimming pool | £80415 |
Cost to build a single storey extension | £38307 |
Cost to build a side return extension | £30923 |
Install an RSJ | £1615 |
Build an outbuilding | £9415 |
Build a mansard loft conversion | £51415 |
Cost of a loft conversion | £28269 |
Build a kitchen extension | £41415 |
Build a hip to gable loft conversion | £41415 |
Build a granny annexe | £86415 |
Build a garden office | £9415 |
Convert a garage | £15415 |
Build a new garage | £17915 |
Build a flat roof extension | £21415 |
Build a dormer loft conversion | £41415 |
Lay a concrete foundation | £5665 |
Convert a bungalow loft | £28415 |
Basement conversion cost | £30923 |