You can enter as many categories as you see fit and a products must have been available to purchase at some point over the last 12 months (from January 1st 2020 to January 31st 2021). If you have any questions about which category your company fits into don't hesitate to send Charlie an email on You can find the judging criteria on the entry guidelines page.

Best Airtightness Product

(including external membranes, tapes, adhesives, grommets and insulation products)

Best Biomass Boiler

Best Energy-Saving, Energy Storage or Energy-Generating Product

Best Green Building System

Best Green Consultancy Service

Best Green Innovation

Best Green Interior Product

(including kitchens, lighting and furniture)

Best Green Supplier

(including renewables and building materials’ suppliers)

Best Heat Pump

Best Heating and/or Hot Water Innovation

Best Insulation Product or Supplier

Best Low-Energy Door System

Best Low-Energy Glazing System

Best Natural Building Material

(e.g. Pavatherm, timber, straw, hemp and earth)

Best Smart Energy-Saving Product

Best Solar Panel

Best Ventilation System or Supplier

Best Water-Saving Product