England and Wales: 1996-2002
non marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, limited insulation (assumed)
Low energy lighting in 32% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
RHI application
Cavity wall, filled cavity
Solid, limited insulation (assumed)
Low energy lighting in 91% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas, Electric underfloor heating
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass