England and Wales: before 1900
none of the above
Sandstone or limestone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, coal
From main system
house coal (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
RHI application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 250 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat