England and Wales: 1991-1995
rental
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
From main system, plus solar
electricity (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass
RHI application
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 270 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
High performance glazing
double, known data
Programmer, TRVs and bypass