Range from the cheapest single storey extension £42000 (RCB Group Design & Build based in SE21) to the dearest single storey extension £58000 (Buci builders ltd based in SE27).
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 Crystal Palace by posting a job with HaMuch and we will send it to extension builders in Crystal Palace.
Job | Estimate |
Underpinning a house | £17395 |
Build a two storey extension | £87842 |
Build a timber frame extension | £25895 |
Install a swimming pool | £80895 |
Cost to build a single storey extension | £47894 |
Cost to build a side return extension | £36316 |
Install an RSJ | £2095 |
Build an outbuilding | £9895 |
Build a mansard loft conversion | £51895 |
Cost of a loft conversion | £32763 |
Build a kitchen extension | £41895 |
Build a hip to gable loft conversion | £41895 |
Build a granny annexe | £86895 |
Build a garden office | £9895 |
Convert a garage | £15895 |
Build a new garage | £18395 |
Build a flat roof extension | £21895 |
Build a dormer loft conversion | £41895 |
Lay a concrete foundation | £6145 |
Convert a bungalow loft | £28895 |
Basement conversion cost | £36316 |