England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 21% of fixed outlets
Roof room(s), ceiling insulated
Boiler and radiators, oil
From main system, plus solar
oil (not community)
Fully double glazed
not defined
Programmer and room thermostat
not sale or rental
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 400+ mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing, unknown install date
Time and temperature zone control