England and Wales: before 1900
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 25 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, wood logs
Partial double glazing
double glazing installed during or after 2002
Automatic charge control
RHI application
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 88% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs