England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Pitched, 300 mm loft insulation
Room heaters, electric
Solid fuel boiler/circulator
electricity (not community)
Room heaters, coal
Single glazed
not defined
Appliance thermostats
RHI application
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 92% of fixed outlets
Pitched, 400+ mm loft insulation
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control