England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 250 mm loft insulation
Warm air, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Partial secondary glazing
secondary glazing
Programmer and room thermostat
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, mains gas
From main system
mains gas (not community)
Room heaters, electric
Some double glazing
double glazing installed before 2002
Programmer, TRVs and bypass