Cost of a two storey extension in EC2A
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 EC2A?
Costs range from £87760 (Pearl Projects and Development Ltd based in EC1V) to £87916 (Helix Group Ltd based in EC2A), 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 EC2A;
| Job | Estimate |
| Underpinning a house | £17407 |
| Build a two storey extension | £87860 |
| Build a timber frame extension | £25907 |
| Install a swimming pool | £80907 |
| Cost to build a single storey extension | £48138 |
| Cost to build a side return extension | £36452 |
| Install an RSJ | £2107 |
| Build an outbuilding | £9907 |
| Build a mansard loft conversion | £51907 |
| Cost of a loft conversion | £32877 |
| Build a kitchen extension | £41907 |
| Build a hip to gable loft conversion | £41907 |
| Build a granny annexe | £86907 |
| Build a garden office | £9907 |
| Convert a garage | £15907 |
| Build a new garage | £18407 |
| Build a flat roof extension | £21907 |
| Build a dormer loft conversion | £41907 |
| Lay a concrete foundation | £6157 |
| Convert a bungalow loft | £28907 |
| Basement conversion cost | £36452 |