England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 45% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, oil
From main system, plus solar
oil (not community)
Room heaters, wood logs
Some double glazing
double glazing installed before 2002
Time and temperature zone control
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Roof room(s), no insulation (assumed)
Boiler and underfloor heating, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat