England and Wales: before 1900
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing, unknown install date
Programmer, TRVs and bypass
rental
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 78% of fixed outlets
Roof room(s), insulated
Boiler and radiators, mains gas, Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Mostly double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs