Extension builder estimates (based on hourly rates) to build a single storey extension in Northwich
Range from the cheapest single storey extension £38800 (SLE Services based in CW8) to the dearest single storey extension £58000 (IAN BARLOW BUILDERS based in CW8).
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 Northwich by posting a job with HaMuch and we will send it to extension builders in Northwich.
Estimates for common extension builder jobs in Northwich;
| Job | Estimate |
| Underpinning a house | £17133 |
| Build a two storey extension | £87449 |
| Build a timber frame extension | £25633 |
| Install a swimming pool | £80633 |
| Cost to build a single storey extension | £42653 |
| Cost to build a side return extension | £33367 |
| Install an RSJ | £1833 |
| Build an outbuilding | £9633 |
| Build a mansard loft conversion | £51633 |
| Cost of a loft conversion | £30306 |
| Build a kitchen extension | £41633 |
| Build a hip to gable loft conversion | £41633 |
| Build a granny annexe | £86633 |
| Build a garden office | £9633 |
| Convert a garage | £15633 |
| Build a new garage | £18133 |
| Build a flat roof extension | £21633 |
| Build a dormer loft conversion | £41633 |
| Lay a concrete foundation | £5883 |
| Convert a bungalow loft | £28633 |
| Basement conversion cost | £33367 |