Range from the cheapest single storey extension £21200 (Clean Lawn Cut & Landscape based in KA7) to the dearest single storey extension £58000 (GK STONEMASONS based in G44).
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 KA1 by posting a job with HaMuch and we will send it to extension builders in KA1.
Job | Estimate |
Underpinning a house | £17166 |
Build a two storey extension | £87498 |
Build a timber frame extension | £25666 |
Install a swimming pool | £80666 |
Cost to build a single storey extension | £43312 |
Cost to build a side return extension | £33738 |
Install an RSJ | £1866 |
Build an outbuilding | £9666 |
Build a mansard loft conversion | £51666 |
Cost of a loft conversion | £30615 |
Build a kitchen extension | £41666 |
Build a hip to gable loft conversion | £41666 |
Build a granny annexe | £86666 |
Build a garden office | £9666 |
Convert a garage | £15666 |
Build a new garage | £18166 |
Build a flat roof extension | £21666 |
Build a dormer loft conversion | £41666 |
Lay a concrete foundation | £5916 |
Convert a bungalow loft | £28666 |
Basement conversion cost | £33738 |