Cost of a two storey extension in EC3M
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 EC3M?
Costs range from £87772 (Volute London based in EC4N) to £87916 (London Roof Gardens based in EC3V), 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 EC3M;
| Job | Estimate |
| Underpinning a house | £17397 |
| Build a two storey extension | £87845 |
| Build a timber frame extension | £25897 |
| Install a swimming pool | £80897 |
| Cost to build a single storey extension | £47933 |
| Cost to build a side return extension | £36337 |
| Install an RSJ | £2097 |
| Build an outbuilding | £9897 |
| Build a mansard loft conversion | £51897 |
| Cost of a loft conversion | £32781 |
| Build a kitchen extension | £41897 |
| Build a hip to gable loft conversion | £41897 |
| Build a granny annexe | £86897 |
| Build a garden office | £9897 |
| Convert a garage | £15897 |
| Build a new garage | £18397 |
| Build a flat roof extension | £21897 |
| Build a dormer loft conversion | £41897 |
| Lay a concrete foundation | £6147 |
| Convert a bungalow loft | £28897 |
| Basement conversion cost | £36337 |