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ZEBRA@Lion House, Alnwick, Northumberland

ZEBRA@Lion House
Project Information
  • Client: Department for the Environment, Food and Rural Affairs (Estates Division)
  • Principal designer: Gibberd
  • Principal engineer: Appleyards
  • Principal contractor: Kier Northern
  • Contract value: £5 million

About the project

ZEBRA@Lion House is a flagship ultra-low emissions office, designed to achieve exemplary standards of sustainability and environmental performance.

Procured through an OJEU compliant framework, the building replaces a dilapidated office, which contained asbestos. The new 1,800 square metre two-storey building provides a flexible and sustainable working environment.

The client was committed to making Lion House carbon neutral. It is the first office building and the first government-owned building to achieve an A+ EPC certificate and has a BREEAM ‘excellent’ score.

Low or zero carbon strategies include a biomass boiler, predicted to meet 85 per cent of annual heating requirements; solar collection, predicted to deliver 50 per cent of the annual hot water demand; three 15kW grid connected wind turbines; photo voltaic panels incorporated within the solar shading; and rainwater harvesting. Performance data is still being gathered, but so far all these technologies are providing better results than predicted.

Judges' comment

"This excellent conversion shows how extremely high levels of energy saving can be achieved."

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