England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, limited insulation (assumed)
Electric underfloor heating
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed before 2002
Temperature zone control
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, limited insulation (assumed)
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats