South Glamorgan house energy costs

January 2026

The average yearly heating cost per house was £792 in the last 10 years in South Glamorgan county. This is by £71.9 less than the average cost in England and Wales in the same period. On average, the heating cost could be reduced by 25.4% to £590.

South Glamorgan houses by heating cost per square meters

Heating cost per 10m² per year	South Glamorgan	England & Wales
█ £0-£39.99	8.4%	9.4%
█ £40+	15.0%	9.9%
█ £55+	24.0%	18.9%
█ £70+	26.2%	24.1%
█ £90+	17.1%	21.0%
█ £120+	9.4%	16.7%

South Glamorgan houses by hot water cost per square meters

Hot water cost per 10m² per year	South Glamorgan	England & Wales
█ £0-£9.99	24.7%	20.1%
█ £10.0+	23.5%	20.2%
█ £12.5+	15.7%	16.4%
█ £15.0+	15.2%	16.7%
█ £20.0+	13.3%	15.3%
█ £30.0+	7.5%	11.3%

South Glamorgan houses by lighting cost per square meters

Lighting cost per 10m² per year	South Glamorgan	England & Wales
█ £0-£4.99	1.7%	2.0%
█ £5+	17.6%	16.8%
█ £7+	24.1%	21.7%
█ £8.50+	18.5%	18.9%
█ £10.00+	21.1%	22.3%
█ £12.50+	16.9%	18.4%

South Glamorgan houses by heating cost per room

Heating cost per habitable room	South Glamorgan	England & Wales
█ £0-£99.99	17.4%	11.2%
█ £100+	19.4%	15.8%
█ £125+	17.9%	16.5%
█ £150+	23.7%	25.0%
█ £200+	11.0%	13.9%
█ £250+	10.6%	17.6%

South Glamorgan houses by hot water cost per room

Hot water cost per habitable room	South Glamorgan	England & Wales
█ £0-£18.99	21.4%	15.5%
█ £19+	27.7%	24.8%
█ £25+	19.1%	19.5%
█ £32+	16.5%	18.7%
█ £45+	8.3%	10.5%
█ £60+	7.0%	11.0%

South Glamorgan houses by lighting cost per room

Lighting cost per habitable room	South Glamorgan	England & Wales
█ £0-£10.99	5.1%	4.6%
█ £11+	16.4%	14.3%
█ £14+	21.1%	20.1%
█ £17+	19.2%	19.0%
█ £20+	17.2%	18.1%
█ £24+	20.9%	23.9%

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