England and Wales: 1976-1982
rental (social)
Cavity wall, with external insulation
(another dwelling below)
Low energy lighting in 71% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
Electric immersion, standard tariff
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
ECO assessment
Cavity wall, as built, partial insulation (assumed)
(another dwelling below)
Low energy lighting in 20% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, LPG
From main system
bottled LPG
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass