FIND OUT MORE…

• The Passivhaus Trust is the official source of Passivhaus and EnerPhit standards (passivhaustrust.org)

• Greenspec is an online resource providing the latest news on sustainable home-related products and professional services and is useful for research (greenspec.co.uk)

• The Energy Saving Trust has the lowdown on all aspects of home energy efficiency (energysavingtrust.org.uk)

• A government-backed guide What does it cost to retrofit homes? includes project costs, with advice on how to upgrade your home’s energy efficiency. Find it at https://www.gov.uk/government/publications/domestic-costassumptions-what-does-it-cost-to-retrofit-homes