England and Wales: before 1900
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 20% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 62% of fixed outlets
Roof room(s), ceiling insulated
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs