England and Wales: 1930-1949
rental
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
rental
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 20% of fixed outlets
Pitched, 12 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat