![](https://static.dezeen.com/uploads/2016/03/harcombe-road-forrester-architects-rear-house-extension-north-london-uk-a_dezeen_sqb.jpg)
Forrester Architects' London house extension has a "butterfly" roof and exposed wooden rafters
The butterfly wing-shaped roof of this rear extension to a Victorian house in north London by local architect Kenny Forrester references the shape of the city's traditional terraced rooflines (+ slideshow). More