Extension builder estimates (based on hourly rates) to build a single storey extension in Rotherham
Range from the cheapest single storey extension £35600 (Fairleigh Construction Ltd based in S60) to the dearest single storey extension £170000 (C S Roofing & Building based in S8).
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 Rotherham by posting a job with HaMuch and we will send it to extension builders in Rotherham.
Estimates for common extension builder jobs in Rotherham;
| Job | Estimate |
| Underpinning a house | £17597 |
| Build a two storey extension | £88145 |
| Build a timber frame extension | £26097 |
| Install a swimming pool | £81097 |
| Cost to build a single storey extension | £51933 |
| Cost to build a side return extension | £38587 |
| Install an RSJ | £2297 |
| Build an outbuilding | £10097 |
| Build a mansard loft conversion | £52097 |
| Cost of a loft conversion | £34656 |
| Build a kitchen extension | £42097 |
| Build a hip to gable loft conversion | £42097 |
| Build a granny annexe | £87097 |
| Build a garden office | £10097 |
| Convert a garage | £16097 |
| Build a flat roof extension | £22097 |
| Build a dormer loft conversion | £42097 |
| Lay a concrete foundation | £6347 |
| Convert a bungalow loft | £29097 |
| Basement conversion cost | £38587 |