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Dewis pwnc arall neu clirio pob hidlydd.
Nid yw holl gynnwys y cyfrifia wedi'i ryddhau. Edrychwch am ddatganiadau sydd i ddod ar y calendr datganiadau. Fel arall, gallwch greu set ddata eich fun.
Rhyddhawyd ar: 31 October 2023 | Cyfres amser
Rhyddhawyd ar: 08 October 2024 | Setiau data
Energy efficiency of dwellings, estimated CO2 emissions and main fuel type of central heating in England and Wales for five-year groups, by property type, tenure and whether new or existing.
Rhyddhawyd ar: 31 October 2024 | Cyfres amser
