Range from the cheapest single storey extension £26000 (Gogoles based in E1) to the dearest single storey extension £48880 (PMG Design & Build Ltd based in E1).
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 E1W by posting a job with HaMuch and we will send it to extension builders in E1W.
Job | Estimate |
Underpinning a house | £17290 |
Build a two storey extension | £87686 |
Build a timber frame extension | £25790 |
Install a swimming pool | £80790 |
Cost to build a single storey extension | £45808 |
Cost to build a side return extension | £35142 |
Install an RSJ | £1990 |
Build an outbuilding | £9790 |
Build a mansard loft conversion | £51790 |
Cost of a loft conversion | £31785 |
Build a kitchen extension | £41790 |
Build a hip to gable loft conversion | £41790 |
Build a granny annexe | £86790 |
Build a garden office | £9790 |
Convert a garage | £15790 |
Build a new garage | £18290 |
Build a flat roof extension | £21790 |
Build a dormer loft conversion | £41790 |
Lay a concrete foundation | £6040 |
Convert a bungalow loft | £28790 |
Basement conversion cost | £35142 |