The Canyon House project converted two separate flats – one on top of the other – into a single duplex. The clients had bought the lower flat in the historic warehouse building in anticipation of starting a family. As well as vertical connection and more bedrooms, they wanted flexible spaces, lots of daylight, plenty of storage, energy-efficient fittings and superb attention to detail.


The key feature in our design was a double-height circulation space that included a 7 m-high wall of storage to unify the once separate flats. The diffuse light from the north-facing windows is accentuated by stainless steel cladding and white joinery, reflecting light deeper into the plan. The internal hallways achieve the same light-filled trick with mirrors and a glazed floor panel.


Careful detailing of the stair, structure, joinery and glazing draw the eye and form surprise views into the bedroom areas and lower circulation space. Rooms are finished to the same standard, making it possible to create different combinations of living rooms and bedrooms.

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Project credits


  • 2014 Don't Move, Improve - shortlist
  • 2014 Retrofit Awards, Best House over £300K - Shortlist


  • Structural: Karl Lang
  • Building Control: Head Projects

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