England and Wales: 1983-1990
marketed sale
System built, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 27% of fixed outlets
Pitched, no insulation (assumed)
Portable electric heaters assumed for most rooms
Electric immersion, standard tariff
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
No thermostatic control of room temperature
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 27% of fixed outlets
Pitched, 150 mm loft insulation
Portable electric heaters assumed for most rooms
Electric immersion, standard tariff
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
No thermostatic control of room temperature