England and Wales: 1976-1982
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 41% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Cavity wall, filled cavity
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control