In a gritty part of London, the architect has carved out three narrow (4m wide) houses, giving a sense of space and turning the limits of the site into a virtue. Spaces are made to feel larger by introducing light from hidden and screened sources. The tiny rear courtyard is bored down through the building, permitting cross-ventilation and bringing light deep into the building. Other inventive moves also show the architect’s imagination at work. A folded brass screen shelters a tiny area at street level, where one can store a bike or let air into the building in summer. Full height windows and doors allow whole walls to open up and extend the space into courtyards and balconies.