Range from the cheapest single storey extension £42640 (J & S Autos (Glasgow) Ltd based in G51) to the dearest single storey extension £46960 (KFM Developments LTD based in G52).
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 Darnley by posting a job with HaMuch and we will send it to extension builders in Darnley.
Job | Estimate |
Underpinning a house | £17292 |
Build a two storey extension | £87688 |
Build a timber frame extension | £25792 |
Install a swimming pool | £80792 |
Cost to build a single storey extension | £45834 |
Cost to build a side return extension | £35156 |
Install an RSJ | £1992 |
Build an outbuilding | £9792 |
Build a mansard loft conversion | £51792 |
Cost of a loft conversion | £31797 |
Build a kitchen extension | £41792 |
Build a hip to gable loft conversion | £41792 |
Build a granny annexe | £86792 |
Build a garden office | £9792 |
Convert a garage | £15792 |
Build a new garage | £18292 |
Build a flat roof extension | £21792 |
Build a dormer loft conversion | £41792 |
Lay a concrete foundation | £6042 |
Convert a bungalow loft | £28792 |
Basement conversion cost | £35156 |