England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 86% of fixed outlets
Pitched, 150 mm loft insulation
Room heaters, coal
Electric immersion, standard tariff
house coal (not community)
Portable electric heaters (assumed)
Partial double glazing
double glazing installed before 2002
No thermostatic control of room temperature
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and appliance thermostats