England and Wales: 1930-1949
not sale or rental
Average thermal transmittance 0.23 W/m-¦K
Average thermal transmittance 0.25 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.20 W/m-¦K
Air source heat pump, radiators, electric
From main system
Electricity: electricity, unspecified tariff
High performance glazing
Time and temperature zone control
RHI application
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 400 mm loft insulation
Water source heat pump, underfloor, electric
From main system
electricity (not community)
High performance glazing
double, known data
No time or thermostatic control of room temperature