Almost all households across Wales reported that they had central heating in 2021 (98.8%, 1.3 million), a slightly higher proportion of households than in England (98.5%).
Dywedodd bron pob cartref yng Nghymru bod ganddynt wres canolog yn 2021 (98.8%, 1.3 miliwn), cyfran ychydig yn uwch o gartrefi nag yn Lloegr (98.5%).