England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
To unheated space, limited 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
Fully double glazed
double glazing installed before 2002
Manual charge control
FiT application
Solid brick, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 71% of fixed outlets
Pitched, 250 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
Controls for high heat retention storage heaters