England and Wales: 1996-2002
marketed sale
Cavity wall, filled cavity
Solid, limited insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, LPG
Fully double glazed
double glazing installed before 2002
TRVs and bypass
marketed sale
Cavity wall, filled cavity
Solid, limited insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, LPG
Fully double glazed
double glazing installed before 2002
TRVs and bypass