England and Wales: 1967-1975
none of the above
Cavity wall, as built, no insulation (assumed)
(other premises below)
Low energy lighting in all fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass
none of the above
Cavity wall, as built, no insulation (assumed)
(other premises below)
Low energy lighting in 64% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Fully double glazed
double glazing installed before 2002
No time or thermostatic control of room temperature