England and Wales: 1950-1966
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 12% of fixed outlets
Flat, no insulation (assumed)
Boiler and radiators, bottled LPG
Gas instantaneous at point of use
bottled LPG
Room heaters, wood logs
Partial double glazing
double glazing installed before 2002
Programmer, TRVs and boiler energy manager
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 12% of fixed outlets
Flat, no insulation (assumed)
Boiler and radiators, bottled LPG
From main system
bottled LPG
Room heaters, wood logs
Partial double glazing
double glazing installed before 2002
No time or thermostatic control of room temperature