England and Wales: before 1900
ECO assessment
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation
Boiler and radiators, smokeless fuel
Oil range cooker, no cylinder thermostat
smokeless coal
Room heaters, smokeless fuel
Partial double glazing
double glazing installed before 2002
No time or thermostatic control of room temperature
marketed sale
Granite or whinstone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 250 mm loft insulation
Air source heat pump, radiators, electric
From main system, plus solar
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Some double glazing
double glazing, unknown install date
Programmer, TRVs and bypass