England and Wales: before 1900
marketed sale
Cavity wall, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat
marketed sale
Solid brick, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 92% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass