England and Wales: 1996-2002
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, limited insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
marketed sale
Cavity wall, as built, insulated (assumed)
Suspended, limited insulation (assumed)
Low energy lighting in 81% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat