Note: 1. Calculated as actual energy use divided by the energy that would have been used if 1970 insulation efficiency standards had been maintained.
Coverage: Great Britain
Source: BRE
- Between 1970 and 2001, the average internal temperature of a household has increased from 13 ºC to 19 ºC.
- In the same period there have been improvements in insulation and efficiency that has meant that the actual energy used per household remained relatively constant.