England and Wales: 1976-1982
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 71% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Mostly double glazing
double glazing installed before 2002
Programmer and room thermostat