Cost of a two storey extension in W1K
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 W1K?
Costs range from £87760 (Pillar Contractors Ltd based in W1K) to £87916 (We Love Build based in W1J), 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 W1K;
| Job | Estimate |
| Underpinning a house | £17405 |
| Build a two storey extension | £87857 |
| Build a timber frame extension | £25905 |
| Install a swimming pool | £80905 |
| Cost to build a single storey extension | £48093 |
| Cost to build a side return extension | £36427 |
| Install an RSJ | £2105 |
| Build an outbuilding | £9905 |
| Build a mansard loft conversion | £51905 |
| Cost of a loft conversion | £32856 |
| Build a kitchen extension | £41905 |
| Build a hip to gable loft conversion | £41905 |
| Build a granny annexe | £86905 |
| Build a garden office | £9905 |
| Convert a garage | £15905 |
| Build a new garage | £18405 |
| Build a flat roof extension | £21905 |
| Build a dormer loft conversion | £41905 |
| Lay a concrete foundation | £6155 |
| Convert a bungalow loft | £28905 |
| Basement conversion cost | £36427 |