England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 56% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Mostly double glazing
double glazing installed before 2002
Programmer and room thermostat
not sale or rental
Average thermal transmittance 0.23 W/m-¦K
Average thermal transmittance 0.23 W/m-¦K
Low energy lighting in 75% of fixed outlets
Average thermal transmittance 0.14 W/m-¦K
Air source heat pump, underfloor, electric
From main system
Electricity: electricity, unspecified tariff
Room heaters, wood logs
High performance glazing
Time and temperature zone control