Range from the cheapest single storey extension £44400 (Stephen Graver based in BA14) to the dearest single storey extension £82000 (Adams Of Bath Property Services based in BA2).
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 BA11 by posting a job with HaMuch and we will send it to extension builders in BA11.
Job | Estimate |
Underpinning a house | £17344 |
Build a two storey extension | £87767 |
Build a timber frame extension | £25844 |
Install a swimming pool | £80844 |
Cost to build a single storey extension | £46890 |
Cost to build a side return extension | £35750 |
Install an RSJ | £2044 |
Build an outbuilding | £9844 |
Build a mansard loft conversion | £51844 |
Cost of a loft conversion | £32292 |
Build a kitchen extension | £41844 |
Build a hip to gable loft conversion | £41844 |
Build a granny annexe | £86844 |
Build a garden office | £9844 |
Convert a garage | £15844 |
Build a new garage | £18344 |
Build a flat roof extension | £21844 |
Build a dormer loft conversion | £41844 |
Lay a concrete foundation | £6094 |
Convert a bungalow loft | £28844 |
Basement conversion cost | £35750 |