Cardiff house energy costs

January 2026

The average yearly heating cost per house was £812 in the last 10 years in Cardiff postcode area. This is by £51.6 less than the average cost in England and Wales in the same period. On average, the heating cost could be reduced by 26.6% to £596.

Cardiff houses by heating cost per square meters

Heating cost per 10m² per year	Cardiff	England & Wales
█ £0-£39.99	8.1%	9.4%
█ £40+	11.4%	9.9%
█ £55+	20.1%	18.9%
█ £70+	24.8%	24.1%
█ £90+	20.9%	21.0%
█ £120+	14.7%	16.7%

Cardiff houses by hot water cost per square meters

Hot water cost per 10m² per year	Cardiff	England & Wales
█ £0-£9.99	21.1%	20.1%
█ £10.0+	24.7%	20.2%
█ £12.5+	17.4%	16.4%
█ £15.0+	14.4%	16.7%
█ £20.0+	13.4%	15.3%
█ £30.0+	9.0%	11.3%

Cardiff houses by lighting cost per square meters

Lighting cost per 10m² per year	Cardiff	England & Wales
█ £0-£4.99	1.3%	2.0%
█ £5+	14.8%	16.8%
█ £7+	22.5%	21.7%
█ £8.50+	19.1%	18.9%
█ £10.00+	23.1%	22.3%
█ £12.50+	19.1%	18.4%

Cardiff houses by heating cost per room

Heating cost per habitable room	Cardiff	England & Wales
█ £0-£99.99	14.2%	11.2%
█ £100+	16.8%	15.8%
█ £125+	16.7%	16.5%
█ £150+	24.7%	25.0%
█ £200+	13.2%	13.9%
█ £250+	14.3%	17.6%

Cardiff houses by hot water cost per room

Hot water cost per habitable room	Cardiff	England & Wales
█ £0-£18.99	19.3%	15.5%
█ £19+	28.7%	24.8%
█ £25+	19.1%	19.5%
█ £32+	15.9%	18.7%
█ £45+	8.9%	10.5%
█ £60+	8.1%	11.0%

Cardiff houses by lighting cost per room

Lighting cost per habitable room	Cardiff	England & Wales
█ £0-£10.99	4.7%	4.6%
█ £11+	15.3%	14.3%
█ £14+	20.6%	20.1%
█ £17+	19.1%	19.0%
█ £20+	17.8%	18.1%
█ £24+	22.5%	23.9%

→ Home energy costs  

→ Flat energy costs  

→ Population statistics  

→ Property prices  

→ Salary and unemployment  

→ Home energy efficiency  

→ Home features  

→ Crime statistics