Range from the cheapest single storey extension £20880 (Leon Morgan based in NP12) to the dearest single storey extension £42800 (Kingsley Developments based in NP20).
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 NP12 by posting a job with HaMuch and we will send it to extension builders in NP12.
Job | Estimate |
Underpinning a house | £16939 |
Build a two storey extension | £87159 |
Build a timber frame extension | £25439 |
Install a swimming pool | £80439 |
Cost to build a single storey extension | £38781 |
Cost to build a side return extension | £31189 |
Install an RSJ | £1639 |
Build an outbuilding | £9439 |
Build a mansard loft conversion | £51439 |
Cost of a loft conversion | £28491 |
Build a kitchen extension | £41439 |
Build a hip to gable loft conversion | £41439 |
Build a granny annexe | £86439 |
Build a garden office | £9439 |
Convert a garage | £15439 |
Build a new garage | £17939 |
Build a flat roof extension | £21439 |
Build a dormer loft conversion | £41439 |
Lay a concrete foundation | £5689 |
Convert a bungalow loft | £28439 |
Basement conversion cost | £31189 |