England and Wales: 1900-1929
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 7% of fixed outlets
Pitched, 200 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Single glazed
not defined
Manual charge control
RHI application
Granite or whinstone, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 400 mm loft insulation
Boiler and radiators, wood pellets
From main system
bulk wood pellets
Room heaters, coal
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass