England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 75 mm loft insulation
Boiler and radiators, electric
From main system
electricity (not community)
Single glazed
not defined
Programmer, room thermostat and TRVs
RHI application
Solid brick, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in 60% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, electric
Electric immersion, standard tariff
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs