argues would help improve consumer awareness and understanding about the current efficiency levels and energy performance of their property and the heating system installed. said it was calling for improvements in the advice offered to homeowners by basing EPC ratings on a range of different metrics compared to the existing assessment methodologies is use. The overall accuracy and reliability of EPC assessment and ratings are highlighted as another important area for reform in the policy paper. These sensors are intended to provide accurate and timely information on heat and energy performance in buildings. policy paper can be read here.