England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
RHI application
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 81% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs