Range from the cheapest single storey extension £46640 (Firtree Building Services Ltd based in EN1) to the dearest single storey extension £66000 (Acme Lofts & Extensions based in EN2).
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 EN2 by posting a job with HaMuch and we will send it to extension builders in EN2.
Job | Estimate |
Underpinning a house | £17438 |
Build a two storey extension | £87907 |
Build a timber frame extension | £25938 |
Install a swimming pool | £80938 |
Cost to build a single storey extension | £48765 |
Cost to build a side return extension | £36805 |
Install an RSJ | £2138 |
Build an outbuilding | £9938 |
Build a mansard loft conversion | £51938 |
Cost of a loft conversion | £33171 |
Build a kitchen extension | £41938 |
Build a hip to gable loft conversion | £41938 |
Build a granny annexe | £86938 |
Build a garden office | £9938 |
Convert a garage | £15938 |
Build a new garage | £18438 |
Build a flat roof extension | £21938 |
Build a dormer loft conversion | £41938 |
Lay a concrete foundation | £6188 |
Convert a bungalow loft | £28938 |
Basement conversion cost | £36805 |