England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 30% of fixed outlets
Pitched, no insulation (assumed)
Portable electric heaters assumed for most rooms
Electric immersion, standard tariff
house coal (not community)
Room heaters, coal
Fully double glazed
double glazing, unknown install date
No thermostatic control of room temperature
RHI application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Ground source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing, unknown install date
Time and temperature zone control