England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 23% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Room heaters, dual fuel (mineral and wood)
Some secondary glazing
secondary glazing
Programmer, TRVs and bypass
RHI application
Solid brick, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 350 mm loft insulation
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