England and Wales: before 1900
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, no room thermostat
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Suspended, insulated
Low energy lighting in 94% of fixed outlets
Pitched, 150 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