England and Wales: 1983-1990
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 68% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
Gas instantaneous at point of use
mains gas (not community)
Fully double glazed
double glazing installed before 2002
No time or thermostatic control of room temperature
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 68% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs