Code for Sustainable Homes Assessments


Categories covered by the Code

  • Energy and CO2 emissions
  • Pollution
  • Water
  • Health & Wellbeing
  • Materials
  • Management
  • Surface Water Run-off
  • Ecology

Rating System

The code is based on a rating system of 1 to 6, this shows the overall sustainability of a new home. A home with six stars has the highest rating The levels of energy efficiency for the code (standard percentage better than Part L1A of 2010 Building Regulations) are:-

  • Code Level 1 - 0%
  • Code Level 2 - 0%
  • Code Level 3 - 0%
  • Code Level 4 - 25%
  • Code Level 5 - 100%
  • Code Level 6 - zero carbon

More details of the Code requirements can be found in the download section.