England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
Electric immersion, standard tariff
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
marketed sale
Solid brick, with external insulation
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, insulated
Boiler and radiators, mains gas
Electric immersion, standard tariff
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat