England and Wales: 2012 onwards
rental
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 58% of fixed outlets
Pitched, insulated (assumed)
Air source heat pump, warm air, electric
Electric immersion, off-peak, plus solar
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
rental
Timber frame, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Air source heat pump, underfloor, electric
From main system
electricity (not community)
High performance glazing
triple, known data
Time and temperature zone control