England and Wales: 1983-1990
rental (social)
System built, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 20% of fixed outlets
Pitched, 200 mm loft 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
ECO assessment
Cavity wall, as built, insulated (assumed)
(another dwelling below)
Low energy lighting in 80% of fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs