Title page
Contents
Summary 4
1. Importance of energy efficiency 6
1.1. Energy use in UK homes 7
2. How is energy efficiency measured? 8
2.1. Standard Assessment Procedure (SAP) ratings 8
2.2. How are properties at the top and bottom of the energy efficiency scale different? 9
3. Energy efficiency ratings across the UK 11
3.1. Patterns of energy efficiency in England 16
4. Levels of insulation across the UK 22
4.1. Great Britain 22
4.2. Northern Ireland 23
4.3. Detailed estimates and patterns by type of property/household 23
5. Government schemes to improve energy efficiency 25
5.1. Government-mandated schemes 25
5.2. Government-funded schemes 26
6. Further reading 30