Range from the cheapest single storey extension £38800 (Sean W Scott General Builder based in IP28) to the dearest single storey extension £48240 (EXP Property Maintenance based in CB22).
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 Mark by posting a job with HaMuch and we will send it to extension builders in Mark.
Job | Estimate |
Underpinning a house | £17301 |
Build a two storey extension | £87701 |
Build a timber frame extension | £25801 |
Install a swimming pool | £80801 |
Cost to build a single storey extension | £46019 |
Cost to build a side return extension | £35261 |
Install an RSJ | £2001 |
Build an outbuilding | £9801 |
Build a mansard loft conversion | £51801 |
Cost of a loft conversion | £31884 |
Build a kitchen extension | £41801 |
Build a hip to gable loft conversion | £41801 |
Build a granny annexe | £86801 |
Build a garden office | £9801 |
Convert a garage | £15801 |
Build a new garage | £18301 |
Build a flat roof extension | £21801 |
Build a dormer loft conversion | £41801 |
Lay a concrete foundation | £6051 |
Convert a bungalow loft | £28801 |
Basement conversion cost | £35261 |