Range from the cheapest single storey extension £24400 (RS Contractor based in LS24) to the dearest single storey extension £43440 (Edenvale Homes based in YO19).
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 York by posting a job with HaMuch and we will send it to extension builders in York.
Job | Estimate |
Underpinning a house | £17035 |
Build a two storey extension | £87303 |
Build a timber frame extension | £25535 |
Install a swimming pool | £80535 |
Cost to build a single storey extension | £40701 |
Cost to build a side return extension | £32269 |
Install an RSJ | £1735 |
Build an outbuilding | £9535 |
Build a mansard loft conversion | £51535 |
Cost of a loft conversion | £29391 |
Build a kitchen extension | £41535 |
Build a hip to gable loft conversion | £41535 |
Build a granny annexe | £86535 |
Build a garden office | £9535 |
Convert a garage | £15535 |
Build a new garage | £18035 |
Build a flat roof extension | £21535 |
Build a dormer loft conversion | £41535 |
Lay a concrete foundation | £5785 |
Convert a bungalow loft | £28535 |
Basement conversion cost | £32269 |