Extension builder estimates (based on hourly rates) to build a single storey extension in BA9
Range from the cheapest single storey extension £34000 (C O JOYCE LIMITED based in BA16) to the dearest single storey extension £58000 (Neil Massey Roofing Contractor based in BA21).
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 BA9 by posting a job with HaMuch and we will send it to extension builders in BA9.
Estimates for common extension builder jobs in BA9;
| Job | Estimate |
| Underpinning a house | £17322 |
| Build a two storey extension | £87734 |
| Build a timber frame extension | £25822 |
| Install a swimming pool | £80822 |
| Cost to build a single storey extension | £46448 |
| Cost to build a side return extension | £35502 |
| Install an RSJ | £2022 |
| Build an outbuilding | £9822 |
| Build a mansard loft conversion | £51822 |
| Cost of a loft conversion | £32085 |
| Build a kitchen extension | £41822 |
| Build a hip to gable loft conversion | £41822 |
| Build a granny annexe | £86822 |
| Build a garden office | £9822 |
| Convert a garage | £15822 |
| Build a new garage | £18322 |
| Build a flat roof extension | £21822 |
| Build a dormer loft conversion | £41822 |
| Lay a concrete foundation | £6072 |
| Convert a bungalow loft | £28822 |
| Basement conversion cost | £35502 |