England and Wales: before 1900
marketed sale
Timber frame, with additional insulation
Solid, no insulation (assumed)
Low energy lighting in 17% of fixed outlets
Pitched, 100 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass
RHI application
Timber frame, as built, insulated (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, insulated
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control