England and Wales: 1976-1982
none of the above
Cavity wall, as built, partial insulation (assumed)
(other premises below)
Low energy lighting in 60% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
none of the above
Cavity wall, filled cavity
(other premises below)
Low energy lighting in 60% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat