England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs