Cardiff home energy costs

January 2026

The average yearly heating cost per home was £696 in the last 10 years in Cardiff postcode area. This is by £10.5 less than the average cost in England and Wales in the same period. On average, the heating cost could be reduced by 26.5% to £512.

Cardiff homes by heating cost per square meters

Heating cost per 10m² per year	Cardiff	England & Wales
█ £0-£39.99	12.1%	14.0%
█ £40+	12.9%	12.2%
█ £55+	19.7%	18.1%
█ £70+	22.5%	21.4%
█ £90+	18.7%	18.5%
█ £120+	14.1%	15.8%

Cardiff homes by hot water cost per square meters

Hot water cost per 10m² per year	Cardiff	England & Wales
█ £0-£9.99	15.8%	14.1%
█ £10.0+	19.8%	16.1%
█ £12.5+	16.7%	15.7%
█ £15.0+	17.2%	18.4%
█ £20.0+	14.9%	16.6%
█ £30.0+	15.5%	19.0%

Cardiff homes by lighting cost per square meters

Lighting cost per 10m² per year	Cardiff	England & Wales
█ £0-£4.99	1.1%	1.5%
█ £5+	12.9%	14.6%
█ £7+	21.5%	20.7%
█ £8.50+	20.2%	19.7%
█ £10.00+	23.3%	22.6%
█ £12.50+	21.0%	20.8%

Cardiff homes by heating cost per room

Heating cost per habitable room	Cardiff	England & Wales
█ £0-£99.99	16.9%	14.7%
█ £100+	16.4%	15.3%
█ £125+	16.3%	15.6%
█ £150+	23.4%	23.4%
█ £200+	12.4%	13.2%
█ £250+	14.6%	17.8%

Cardiff homes by hot water cost per room

Hot water cost per habitable room	Cardiff	England & Wales
█ £0-£18.99	14.6%	10.7%
█ £19+	22.8%	18.7%
█ £25+	18.7%	18.3%
█ £32+	19.0%	20.6%
█ £45+	10.1%	12.0%
█ £60+	14.9%	19.7%

Cardiff homes by lighting cost per room

Lighting cost per habitable room	Cardiff	England & Wales
█ £0-£10.99	4.2%	3.9%
█ £11+	13.3%	12.0%
█ £14+	18.7%	17.7%
█ £17+	18.2%	17.8%
█ £20+	18.2%	18.4%
█ £24+	27.5%	30.2%

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