Range from the cheapest single storey extension £47280 (Back to Front Exterior Design Consultancy based in GU9) to the dearest single storey extension £74000 (BZ GARDENS based in GU12).
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 GU11 by posting a job with HaMuch and we will send it to extension builders in GU11.
Job | Estimate |
Underpinning a house | £17452 |
Build a two storey extension | £87928 |
Build a timber frame extension | £25952 |
Install a swimming pool | £80952 |
Cost to build a single storey extension | £49034 |
Cost to build a side return extension | £36956 |
Install an RSJ | £2152 |
Build an outbuilding | £9952 |
Build a mansard loft conversion | £51952 |
Cost of a loft conversion | £33297 |
Build a kitchen extension | £41952 |
Build a hip to gable loft conversion | £41952 |
Build a granny annexe | £86952 |
Build a garden office | £9952 |
Convert a garage | £15952 |
Build a new garage | £18452 |
Build a flat roof extension | £21952 |
Build a dormer loft conversion | £41952 |
Lay a concrete foundation | £6202 |
Convert a bungalow loft | £28952 |
Basement conversion cost | £36956 |