Cost of a two storey extension in Londonderry
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 Londonderry?
Costs range from £87076 (Taggart Homes - The Designer Builder based in BT47) to £87400 (JAMSE CONSTRUCTION LTD based in BT47), 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 Londonderry;
| Job | Estimate |
| Underpinning a house | £16950 |
| Build a two storey extension | £87174 |
| Build a timber frame extension | £25450 |
| Install a swimming pool | £80450 |
| Cost to build a single storey extension | £38992 |
| Cost to build a side return extension | £31308 |
| Install an RSJ | £1650 |
| Build an outbuilding | £9450 |
| Build a mansard loft conversion | £51450 |
| Cost of a loft conversion | £28590 |
| Build a kitchen extension | £41450 |
| Build a hip to gable loft conversion | £41450 |
| Build a granny annexe | £86450 |
| Build a garden office | £9450 |
| Convert a garage | £15450 |
| Build a new garage | £17950 |
| Build a flat roof extension | £21450 |
| Build a dormer loft conversion | £41450 |
| Lay a concrete foundation | £5700 |
| Convert a bungalow loft | £28450 |
| Basement conversion cost | £31308 |
Rates for other Londonderry trades
Two storey extension cost in Londonderry
| Business name | Two storey extension cost |
|---|---|
| Taggart Homes - The Designer Builder, Londonderry, BT47 | £87076 |
| JAMSE CONSTRUCTION LTD, Londonderry, BT47 | £87400 |
| Tyrone Turbos, Tyrone, BT82 | £87076 |
| Luxury Garden Studios, Londonderry, BT47 | £87148 |
| SF Carpentry, Londonderry, BT51 | £87172 |