Range from the cheapest single storey extension £20880 (Leon Morgan based in NP12) to the dearest single storey extension £48400 (Ullyses based in NP19).
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 NP15 by posting a job with HaMuch and we will send it to extension builders in NP15.
Job | Estimate |
Underpinning a house | £17003 |
Build a two storey extension | £87254 |
Build a timber frame extension | £25503 |
Install a swimming pool | £80503 |
Cost to build a single storey extension | £40054 |
Cost to build a side return extension | £31906 |
Install an RSJ | £1703 |
Build an outbuilding | £9503 |
Build a mansard loft conversion | £51503 |
Cost of a loft conversion | £29088 |
Build a kitchen extension | £41503 |
Build a hip to gable loft conversion | £41503 |
Build a granny annexe | £86503 |
Build a garden office | £9503 |
Convert a garage | £15503 |
Build a new garage | £18003 |
Build a flat roof extension | £21503 |
Build a dormer loft conversion | £41503 |
Lay a concrete foundation | £5753 |
Convert a bungalow loft | £28503 |
Basement conversion cost | £31906 |