England and Wales: 1976-1982
marketed sale
System built, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 73% of fixed outlets
Pitched, 100 mm loft insulation
Warm air, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, mains gas
Full secondary glazing
secondary glazing
Programmer and room thermostat
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 95% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Full secondary glazing
secondary glazing
Programmer, room thermostat and TRVs