Extension builder estimates (based on hourly rates) to build a single storey extension in Barnsley
Range from the cheapest single storey extension £34000 (Jcr based in Hd8) to the dearest single storey extension £74000 (Green Exteriors Ltd based in S60).
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 Barnsley by posting a job with HaMuch and we will send it to extension builders in Barnsley.
Estimates for common extension builder jobs in Barnsley;
| Job | Estimate |
| Underpinning a house | £17251 |
| Build a two storey extension | £87626 |
| Build a timber frame extension | £25751 |
| Install a swimming pool | £80751 |
| Cost to build a single storey extension | £45014 |
| Cost to build a side return extension | £34696 |
| Install an RSJ | £1951 |
| Build an outbuilding | £9751 |
| Build a mansard loft conversion | £51751 |
| Cost of a loft conversion | £31413 |
| Build a kitchen extension | £41751 |
| Build a hip to gable loft conversion | £41751 |
| Build a granny annexe | £86751 |
| Build a garden office | £9751 |
| Convert a garage | £15751 |
| Build a flat roof extension | £21751 |
| Build a dormer loft conversion | £41751 |
| Lay a concrete foundation | £6001 |
| Convert a bungalow loft | £28751 |
| Basement conversion cost | £34696 |