England and Wales: before 1900
rental (private)
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, wood logs
Mostly double glazing
double glazing installed before 2002
Manual charge control
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
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass