England and Wales: 1930-1949
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 45% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, electric
Some secondary glazing
secondary glazing
Programmer and room thermostat
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Mostly double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs