England and Wales: 1976-1982
marketed sale
System built, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 8% of fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
Programmer, no room thermostat
marketed sale
System built, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 8% of fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat