England and Wales: 1950-1966
none of the above
Cavity wall, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
No low energy lighting
Pitched, 200 mm loft insulation
Boiler and radiators, LPG
From main system
bottled LPG
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
rental
Cavity wall, filled cavity
(other premises below)
Low energy lighting in 60% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, bottled LPG
From main system
bottled LPG
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs