England and Wales: before 1900
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 56% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass
RHI application
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, 200 mm loft insulation
Air source heat pump, radiators, electric
Gas multipoint
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat