England and Wales: before 1900
RHI application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 39% of fixed outlets
Pitched, 200 mm loft insulation
Electric underfloor heating
Electric immersion, standard tariff
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing, unknown install date
Programmer and room thermostat
RHI application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 39% of fixed outlets
Pitched, 400+ mm loft insulation
Ground source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing, unknown install date
Programmer, TRVs and bypass