England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, 75 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 and room thermostat
RHI application
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, 250 mm loft insulation
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Room heaters, wood logs
Partial double glazing
double glazing installed during or after 2002
Appliance thermostats