England and Wales: 1983-1990
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Solid brick, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 93% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, LPG, Boiler and underfloor heating, LPG
From main system
LPG (not community)
Room heaters, wood logs
High performance glazing
double, known data
Time and temperature zone control