England and Wales: 1983-1990
rental
Cavity wall, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 86% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, wood logs
Mostly double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Cavity wall, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 95% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs