Range from the cheapest single storey extension £45200 (A W Fascias based in S5) to the dearest single storey extension £170000 (C S Roofing & Building based in S8).
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 Longley by posting a job with HaMuch and we will send it to extension builders in Longley.
Job | Estimate |
Underpinning a house | £17615 |
Build a two storey extension | £88173 |
Build a timber frame extension | £26115 |
Install a swimming pool | £81115 |
Cost to build a single storey extension | £52304 |
Cost to build a side return extension | £38796 |
Install an RSJ | £2315 |
Build an outbuilding | £10115 |
Build a mansard loft conversion | £52115 |
Cost of a loft conversion | £34830 |
Build a kitchen extension | £42115 |
Build a hip to gable loft conversion | £42115 |
Build a granny annexe | £87115 |
Build a garden office | £10115 |
Convert a garage | £16115 |
Build a new garage | £18615 |
Build a flat roof extension | £22115 |
Build a dormer loft conversion | £42115 |
Lay a concrete foundation | £6365 |
Convert a bungalow loft | £29115 |
Basement conversion cost | £38796 |