England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
Pitched, 50 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing installed before 2002
Programmer, no room thermostat
marketed sale
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 50% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs