England and Wales: before 1900
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Roof room(s), ceiling insulated
Boiler and radiators, LPG
From main system, no cylinder thermostat
LPG (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 300 mm loft insulation
Ground source heat pump, radiators, electric
From main system
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass