England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, oil
Oil boiler/circulator
oil (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass
RHI application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 93% of fixed outlets
Pitched, 250 mm loft insulation
Air source heat pump, underfloor, electric, Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, wood logs
Fully triple glazed
triple glazing
Time and temperature zone control