England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 86% of fixed outlets
Pitched, no insulation (assumed)
Portable electric heaters assumed for most rooms
From secondary system, no cylinder thermostat
house coal (not community)
Room heaters, coal
Partial double glazing
double glazing, unknown install date
No thermostatic control of room temperature
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in all 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