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The UK's most pioneering low carbon development; stunning homes and work spaces that don't cost the Earth, giving residents the tools they need to embrace an environmentally responsible lifestyle.

Greenhouse is the part refurbishment and part new build of a redundant 1930’s artdeco period hostel, in south Leeds. Craig Bolton of West and Machell Architects stated that Citu (the client) wanted to develop a 'super green' building, encouraging sustainable living without loosing any modern day comforts for its residents.

Through the combination of energy efficiency measures and on site renewable technologies including ground source heat, solar thermal and rooftop wind turbines – the developers Citu are demonstrating that modern technologies can be successfully integrated within an existing building in an urban landscape to dramatically improve the air tightness and building energy performance.

Architectural feature with Rockpanel Rockclad boards
Craig Bolton says: “For the façade, our design intention was to create a contemporary modern appearance using highly rated sustainable materials in line with the buildings green credentials. On top of the existing 5 storey building we designed a new two storey
box of accommodation.

This new architectural feature was designed to have the appearance of randomly organized grey and green Rockpanel boards in contrast to the organized façade below. Rockpanel was chosen for this element because of its sustainable credentials and our wish to create a striking design statement. We liked the fact that this product was manufactured mostly from a sustainable raw material- volcanic rock and we also liked that we had an extensive colour palette choice.”

Since the official launch of Greenhouse on 1st October 2010 Citu have won many awards:
• “Winner” UK Green Building Council Sustainability Awards 010 – Refurbishment of the Year
• 2010 RIBA White Rose Awards – Sustainability Award and Bronze Architectural Award
• 2009 Estate Gazette Green Awards - "Winner" Best Residential Development
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