England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 43% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, coal
Electric immersion, standard tariff
house coal (not community)
Room heaters, coal
Fully double glazed
double glazing installed during or after 2002
No time or thermostatic control of room temperature
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 95% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, LPG
From main system
bottled LPG
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs