England and Wales: before 1900
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 78% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
not sale or rental
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
TRVs and bypass