England and Wales: before 1900
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 16% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, LPG
From main system
bottled LPG
Room heaters, dual fuel (mineral and wood)
Mostly double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs
RHI application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 270 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, wood logs
Mostly double glazing
double glazing, unknown install date
Programmer and room thermostat