England and Wales: before 1900
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 45% of fixed outlets
Flat, limited insulation (assumed)
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat
RHI application
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 98% of fixed outlets
Pitched, no insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully triple glazed
triple glazing
No time or thermostatic control of room temperature