England and Wales: 1950-1966
non marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 12 mm loft insulation
Boiler and radiators, LPG
From main system, no cylinder thermostat
LPG (not community)
Mostly double glazing
double glazing installed before 2002
Programmer, TRVs and boiler energy manager
non marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass