England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Roof room(s), no insulation (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing, unknown install date
Manual charge control
marketed sale
Sandstone or limestone, with internal insulation
Solid, insulated
Low energy lighting in 87% of fixed outlets
Flat, insulated (assumed)
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control