AD ++ House

Coffey Architects, York, 2011


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  • Ground floor plan    
  • First floor plan    
  • Long section    
  • Cross section    
  • Detail roof section    

Two-story house extension for a private residence in York, situated within a conservation area

Set back from the road and connected to the existing house, the two story structure creates an open plan living space at first floor and a studio/guest room on the ground floor. The two levels are connected by a red spiraled stair case.

The studio space has a concertina door that opens onto a patio, providing the house with access to the garage. On the first floor a glass door opens from the living room onto a further west-facing outdoor space.

A pitched roof with high levels of glazing to the west allows natural daylight to enter the interior, while a projecting section provides shade to the east. Further windows are punched through the roof to increase levels of natural lighting in the interior spaces.

The extension is largely clad in self-finished zinc, combined with frameless glazing.


  • Begun: Jan 2011
  • Completed: Jun 2011
  • Floor area: 47m2
  • Sector: House
  • Total cost: £200,000
  • Procurement: JCT Minor Works rev 2 2009
  • Address: York, United Kingdom

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