WWF-UK Living Planet Centre
WWF’s UK Headquarters showcase its value for environmental sustainability, achieving a 42% reduction in embodied carbon and net zero carbon in operation by offsetting using the Gold Standard.
Highlights
- Rated BREEAM Outstanding (score of 90%)
- 42% embodied carbon reduction across the whole life of the building
- 99% of construction waste diverted from landfill
- Energy use was less than 162kWh/m2 in 2018
Approaches Used
- Enhanced daylighting coupled with daylight control for artificial lighting
- Glass around the building optimises natural light with external shading to block unwanted heat gain
- Energy efficient appliances and LED lighting are used where required
- Mixed-mode ventilation with heat recovery in winter, openable windows and wind cowls for natural ventilation
- Concrete around the building and ‘Energain’ insulation in the roof capture heat during the day and release it back into the building as it cools.
- On-site 100 kWp photovoltaics (PV) and ground source heat pump (GSHP) with zero ODP refrigerant provide 150kWp of cooling and 160kWp of heating. The PV and GSHP provide 53% carbon reduction and on average the PV panels generate 15% of the electricity.
- Ground-air heat exchanger (GAHE) of six concrete pipes, 0.9m diameter buried 1m below car park, with lengths that vary from 60m to 90m. Total length approximately 450m.
- Off-site electricity supply from ThamesWey Energy’s local combined heat and power (CHP) plant in Woking.
- Offsetting energy use and business travel using the Gold Standard accredited offsetting scheme.
- Whole life carbon analysis was produced and the project used advanced carbon accounting in construction. Every RFI had to include embodied carbon impacts for evaluation against cost and technical assessment
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