Cost of a two storey extension in N17
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 N17?
Costs range from £86980 (ADD CONSTRUCTION (LONDON) LTD based in N15) to £87916 (Nicky Price based in N17), 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 N17;
| Job | Estimate |
| Underpinning a house | £17309 |
| Build a two storey extension | £87713 |
| Build a timber frame extension | £25809 |
| Install a swimming pool | £80809 |
| Cost to build a single storey extension | £46179 |
| Cost to build a side return extension | £35351 |
| Install an RSJ | £2009 |
| Build an outbuilding | £9809 |
| Build a mansard loft conversion | £51809 |
| Cost of a loft conversion | £31959 |
| Build a kitchen extension | £41809 |
| Build a hip to gable loft conversion | £41809 |
| Build a granny annexe | £86809 |
| Build a garden office | £9809 |
| Convert a garage | £15809 |
| Build a flat roof extension | £21809 |
| Build a dormer loft conversion | £41809 |
| Lay a concrete foundation | £6059 |
| Convert a bungalow loft | £28809 |
| Basement conversion cost | £35351 |