Cost of a two storey extension in Aust
A two storey extension is a great way to add extra space to your home, adding value to your property. But how much does it cost to build a double storey extension in Aust?
Costs range from £86680 (M OCONNELL BUILDERS based in LS11) to £87508 (JCCF Ltd based in LS2), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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Estimates for common extension builder jobs in Aust;
| Job | Estimate |
| Underpinning a house | £17111 |
| Build a two storey extension | £87416 |
| Build a timber frame extension | £25611 |
| Install a swimming pool | £80611 |
| Cost to build a single storey extension | £42211 |
| Cost to build a side return extension | £33119 |
| Install an RSJ | £1811 |
| Build an outbuilding | £9611 |
| Build a mansard loft conversion | £51611 |
| Cost of a loft conversion | £30099 |
| Build a kitchen extension | £41611 |
| Build a hip to gable loft conversion | £41611 |
| Build a granny annexe | £86611 |
| Build a garden office | £9611 |
| Convert a garage | £15611 |
| Build a new garage | £18111 |
| Build a flat roof extension | £21611 |
| Build a dormer loft conversion | £41611 |
| Lay a concrete foundation | £5861 |
| Convert a bungalow loft | £28611 |
| Basement conversion cost | £33119 |