Range from the cheapest single storey extension £34000 (ANDYWORKS & son Ltd based in SO50) to the dearest single storey extension £48400 (A W PAVING LTD based in SO31).
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 So by posting a job with HaMuch and we will send it to extension builders in So.
Job | Estimate |
Underpinning a house | £17218 |
Build a two storey extension | £87577 |
Build a timber frame extension | £25718 |
Install a swimming pool | £80718 |
Cost to build a single storey extension | £44362 |
Cost to build a side return extension | £34328 |
Install an RSJ | £1918 |
Build an outbuilding | £9718 |
Build a mansard loft conversion | £51718 |
Cost of a loft conversion | £31107 |
Build a kitchen extension | £41718 |
Build a hip to gable loft conversion | £41718 |
Build a granny annexe | £86718 |
Build a garden office | £9718 |
Convert a garage | £15718 |
Build a new garage | £18218 |
Build a flat roof extension | £21718 |
Build a dormer loft conversion | £41718 |
Lay a concrete foundation | £5968 |
Convert a bungalow loft | £28718 |
Basement conversion cost | £34328 |