Range from the cheapest single storey extension £38800 (Build Your Rooms Ltd based in WS15) to the dearest single storey extension £42960 (Carol Ash based in ST16).
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 ST16 by posting a job with HaMuch and we will send it to extension builders in ST16.
Job | Estimate |
Underpinning a house | £17075 |
Build a two storey extension | £87363 |
Build a timber frame extension | £25575 |
Install a swimming pool | £80575 |
Cost to build a single storey extension | £41507 |
Cost to build a side return extension | £32723 |
Install an RSJ | £1775 |
Build an outbuilding | £9575 |
Build a mansard loft conversion | £51575 |
Cost of a loft conversion | £29769 |
Build a kitchen extension | £41575 |
Build a hip to gable loft conversion | £41575 |
Build a granny annexe | £86575 |
Build a garden office | £9575 |
Convert a garage | £15575 |
Build a new garage | £18075 |
Build a flat roof extension | £21575 |
Build a dormer loft conversion | £41575 |
Lay a concrete foundation | £5825 |
Convert a bungalow loft | £28575 |
Basement conversion cost | £32723 |