England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, oil
Electric immersion, standard tariff
oil (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
Programmer, no room thermostat
non marketed sale
Granite or whinstone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation (assumed)
Ground source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
Programmer and at least two room thermostats