Range from the cheapest single storey extension £34000 (C O JOYCE LIMITED based in BA16) 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 TA15 by posting a job with HaMuch and we will send it to extension builders in TA15.
Job | Estimate |
Underpinning a house | £17369 |
Build a two storey extension | £87804 |
Build a timber frame extension | £25869 |
Install a swimming pool | £80869 |
Cost to build a single storey extension | £47382 |
Cost to build a side return extension | £36028 |
Install an RSJ | £2069 |
Build an outbuilding | £9869 |
Build a mansard loft conversion | £51869 |
Cost of a loft conversion | £32523 |
Build a kitchen extension | £41869 |
Build a hip to gable loft conversion | £41869 |
Build a granny annexe | £86869 |
Build a garden office | £9869 |
Convert a garage | £15869 |
Build a new garage | £18369 |
Build a flat roof extension | £21869 |
Build a dormer loft conversion | £41869 |
Lay a concrete foundation | £6119 |
Convert a bungalow loft | £28869 |
Basement conversion cost | £36028 |