England and Wales: before 1900
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, wood logs
From main system, no cylinder thermostat
wood logs
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
No time or thermostatic control of room temperature
RHI application
Timber frame, as built, insulated (assumed)
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Ground source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Room thermostat only