Range from the cheapest single storey extension £40400 (Ciara Construction Company based in B45) to the dearest single storey extension £66000 (TG Building Services & Son based in B71).
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 B17 by posting a job with HaMuch and we will send it to extension builders in B17.
Job | Estimate |
Underpinning a house | £17121 |
Build a two storey extension | £87432 |
Build a timber frame extension | £25621 |
Install a swimming pool | £80621 |
Cost to build a single storey extension | £42422 |
Cost to build a side return extension | £33238 |
Install an RSJ | £1821 |
Build an outbuilding | £9621 |
Build a mansard loft conversion | £51621 |
Cost of a loft conversion | £30198 |
Build a kitchen extension | £41621 |
Build a hip to gable loft conversion | £41621 |
Build a granny annexe | £86621 |
Build a garden office | £9621 |
Convert a garage | £15621 |
Build a new garage | £18121 |
Build a flat roof extension | £21621 |
Build a dormer loft conversion | £41621 |
Lay a concrete foundation | £5871 |
Convert a bungalow loft | £28621 |
Basement conversion cost | £33238 |