England and Wales: before 1900
ECO assessment
Briciau solet, fel yGÇÖu hadeiladwyd, dim inswleiddio (rhagdybiaeth)
Solet, dim inswleiddio (rhagdybiaeth)
Dim goleuadau ynni-isel
Ar oleddf, 50 mm o inswleiddio yn y llofft
Bwyler a rheiddiaduron, olew
OGÇÖr brif system
oil (not community)
Gwresogyddion ystafell, glo
Gwydrau sengl
not defined
Rhaglennydd, thermostat ystafell a TRVs
ECO assessment
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, coal
Single glazed
not defined
Programmer, room thermostat and TRVs