Cost of a two storey extension in Amersham
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 Amersham?
Costs range from £87748 (Steve Knight Construction based in HP15) to £88600 (KATELL PROPERTY MAINTENANCE based in WD3), 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 Amersham;
| Job | Estimate |
| Underpinning a house | £17454 |
| Build a two storey extension | £87930 |
| Build a timber frame extension | £25954 |
| Install a swimming pool | £80954 |
| Cost to build a single storey extension | £49072 |
| Cost to build a side return extension | £36978 |
| Install an RSJ | £2154 |
| Build an outbuilding | £9954 |
| Build a mansard loft conversion | £51954 |
| Cost of a loft conversion | £33315 |
| Build a kitchen extension | £41954 |
| Build a hip to gable loft conversion | £41954 |
| Build a granny annexe | £86954 |
| Build a garden office | £9954 |
| Convert a garage | £15954 |
| Build a new garage | £18454 |
| Build a flat roof extension | £21954 |
| Build a dormer loft conversion | £41954 |
| Lay a concrete foundation | £6204 |
| Convert a bungalow loft | £28954 |
| Basement conversion cost | £36978 |