England and Wales: 1930-1949
marketed sale
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 400+ mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
High performance glazing
triple, known data
Time and temperature zone control
rental
Solid brick, with external insulation
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 270 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully triple glazed
triple glazing
Programmer and room thermostat