Cost of a two storey extension in Clerkenwell
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 Clerkenwell?
Costs range from £87772 (Aylaa Exclusive based in EC1A) to £89800 (Q Lofts and Extensions based in EC1R), 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 Clerkenwell;
| Job | Estimate |
| Underpinning a house | £17433 |
| Build a two storey extension | £87900 |
| Build a timber frame extension | £25933 |
| Install a swimming pool | £80933 |
| Cost to build a single storey extension | £48669 |
| Cost to build a side return extension | £36751 |
| Install an RSJ | £2133 |
| Build an outbuilding | £9933 |
| Build a mansard loft conversion | £51933 |
| Cost of a loft conversion | £33126 |
| Build a kitchen extension | £41933 |
| Build a hip to gable loft conversion | £41933 |
| Build a granny annexe | £86933 |
| Build a garden office | £9933 |
| Convert a garage | £15933 |
| Build a new garage | £18433 |
| Build a flat roof extension | £21933 |
| Build a dormer loft conversion | £41933 |
| Lay a concrete foundation | £6183 |
| Convert a bungalow loft | £28933 |
| Basement conversion cost | £36751 |