England and Wales: before 1900
marketed sale
Solid brick, with internal insulation
Suspended, no insulation (assumed)
Low energy lighting in 36% of fixed outlets
Flat, insulated
Boiler and radiators, mains gas
From main system, plus solar
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer and at least two room thermostats
RHI application
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 94% of fixed outlets
Flat, insulated
Boiler and radiators, mains gas
From main system, plus solar
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs