England and Wales: 1930-1949
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 53% of fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Some double glazing
double glazing installed before 2002
Programmer, no room thermostat
non marketed sale
Solid brick, as built, no insulation (assumed)
To unheated space, insulated
Low energy lighting in 95% of fixed outlets
Pitched, no insulation
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