England and Wales: before 1900
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Mostly double glazing
double glazing installed before 2002
Programmer, no room thermostat
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat