England and Wales: 1983-1990
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer and appliance thermostats
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Electric underfloor heating
Electric heat pump, plus solar
electricity (not community)
Fully double glazed
double glazing installed before 2002
Time and temperature zone control