Range from the cheapest single storey extension £34000 (MJ Barker & Son based in WA11) to the dearest single storey extension £43120 (MT Group based in M41).
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 WA2 by posting a job with HaMuch and we will send it to extension builders in WA2.
Job | Estimate |
Underpinning a house | £17045 |
Build a two storey extension | £87317 |
Build a timber frame extension | £25545 |
Install a swimming pool | £80545 |
Cost to build a single storey extension | £40899 |
Cost to build a side return extension | £32381 |
Install an RSJ | £1745 |
Build an outbuilding | £9545 |
Build a mansard loft conversion | £51545 |
Cost of a loft conversion | £29484 |
Build a kitchen extension | £41545 |
Build a hip to gable loft conversion | £41545 |
Build a granny annexe | £86545 |
Build a garden office | £9545 |
Convert a garage | £15545 |
Build a new garage | £18045 |
Build a flat roof extension | £21545 |
Build a dormer loft conversion | £41545 |
Lay a concrete foundation | £5795 |
Convert a bungalow loft | £28545 |
Basement conversion cost | £32381 |