England and Wales: 1983-1990
marketed sale
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 64% of fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 63% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system, plus solar
mains gas (not community)
Mostly double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs