A Grade II Listed Building in Highgate Conservation Area, one of the oldest villages in London, was at some point in its 300 year history, split into two dwellings.

One of these dwellings, set over four levels, on a steep site, has been rearranged over the lower two levels and extended into the very long garden. Following careful consultation with the Local Authority we proposed a simple glass extension to the rear, with a green roof floating above to form a new living room.

Defined by constraints on the site (neighbouring extensions, boundary walls, vents, sunlight and daylight, and neighbouring trees), the transparent nature of the uncompromisingly modern extension allows the historic