England and Wales: 1976-1982
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 87% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat