National Trust, Wales
Conserving energy and our heritage

The National Trust has defied assumptions that historic buildings can’t be retrofitted, cutting energy use across its Welsh properties by a massive 41% over just two years. With over 400,000 buildings across England and Wales having listed status, it's great to have this demonstration that even the most sensitive buildings can be made much more energy efficient. The Trust's success derives from a combination of efficiency measures and a culture change in how energy is managed. As well as cutting down on energy use it has also installed biomass heating, and renewable sources of electricity including solar PV and hydro power, so the cut in CO2 is an even more impressive 46%.

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Delivery of insulation to Plas Newydd
Specially-designed LED lights in use at Llanerchaeron
Ground-based PV can be used in the grounds of a listed property
Keith Jones
Environmental Advisor
The National Trust
Trinity Square
LL30 2DE Llandudno , Conwy
United Kingdom