Cost of a two storey extension in Boston Spa
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 Boston Spa?
Costs range from £87304 (Limehouse design & build based in YO26) to £87496 (Zia Developments based in LS17), 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 Boston Spa;
| Job | Estimate |
| Underpinning a house | £17089 |
| Build a two storey extension | £87384 |
| Build a timber frame extension | £25589 |
| Install a swimming pool | £80589 |
| Cost to build a single storey extension | £41789 |
| Cost to build a side return extension | £32881 |
| Install an RSJ | £1789 |
| Build an outbuilding | £9589 |
| Build a mansard loft conversion | £51589 |
| Cost of a loft conversion | £29901 |
| Build a kitchen extension | £41589 |
| Build a hip to gable loft conversion | £41589 |
| Build a granny annexe | £86589 |
| Build a garden office | £9589 |
| Convert a garage | £15589 |
| Build a new garage | £18089 |
| Build a flat roof extension | £21589 |
| Build a dormer loft conversion | £41589 |
| Lay a concrete foundation | £5839 |
| Convert a bungalow loft | £28589 |
| Basement conversion cost | £32881 |