England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Air source heat pump, underfloor, electric
From main system, no cylinder thermostat
electricity (not community)
Fully double glazed
double glazing, unknown install date
Programmer and at least two room thermostats
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Fully double glazed
double glazing, unknown install date
Programmer and at least two room thermostats