Range from the cheapest single storey extension £34000 (Poundbury Build and Maintenance based in DT1) to the dearest single storey extension £75280 (Ashlar Historic Building Repairs based in DT6).
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 DT6 by posting a job with HaMuch and we will send it to extension builders in DT6.
Job | Estimate |
Underpinning a house | £17374 |
Build a two storey extension | £87810 |
Build a timber frame extension | £25874 |
Install a swimming pool | £80874 |
Cost to build a single storey extension | £47472 |
Cost to build a side return extension | £36078 |
Install an RSJ | £2074 |
Build an outbuilding | £9874 |
Build a mansard loft conversion | £51874 |
Cost of a loft conversion | £32565 |
Build a kitchen extension | £41874 |
Build a hip to gable loft conversion | £41874 |
Build a granny annexe | £86874 |
Build a garden office | £9874 |
Convert a garage | £15874 |
Build a flat roof extension | £21874 |
Build a dormer loft conversion | £41874 |
Lay a concrete foundation | £6124 |
Convert a bungalow loft | £28874 |
Basement conversion cost | £36078 |