EPC Ratings in Cardiff
Local Authority — 62,417 Energy Performance Certificates on record
62K
Certificates
60K
Properties
C (71)
Average Rating
£910
Avg Energy Cost/yr
EPC Rating
A92+
2.1%B81–91
14.7%C69–80
46.8%71
D55–68
30.9%E39–54
4.6%F21–38
0.6%G1–20
0.2%Cardiff is 2.5 points better than the national average (D, 68.5/100).
71
Cardiff
68.5
National average
82
Potential
Rating Distribution
A
1,3192.1%
B9,152
14.7%
C29,222
46.8%
D19,315
30.9%
E
2,9024.6%
F
3620.6%
G
1450.2%
Average Annual Energy Costs
| Cost Type | Cardiff | National Avg | Difference |
|---|---|---|---|
| Heating | £641/yr | £782/yr | ▼ £141 |
| Hot water | £179/yr | £184/yr | ▼ £5 |
| Lighting | £90/yr | £95/yr | ▼ £5 |
| Total | £910/yr | £1,061/yr | ▼ £151 |
Property Types
House
33,99154.5%
Flat
25,75041.3%
Bungalow
1,6662.7%
Maisonette
1,0031.6%
Park home
70.0%
Main Heating Fuel
Mains gas
48,62279.3%
Electric
12,45720.3%
Other
1430.2%
Oil
600.1%
LPG
500.1%
CO₂ Emissions
2.7 tonnes/yr
Current average
1.5 tonnes/yr
Potential
Average floor area: 80 m²
Construction Age
Pre-1900
3,753
1900–1929
12,153
1930–1949
5,679
1950–1966
7,850
1967–1975
4,807
1976–1982
2,577
1983–1990
3,381
1991–1995
2,734
1996–2002
3,697
2003–2006
3,990
2007–2011
2,529
2012+
8,287
Efficiency Trend Over Time
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Cardiff has 62,417 Energy Performance Certificates on record, covering 60,220 properties. The average EPC rating is C with an efficiency score of 71 out of 100. Annual energy costs average £910, comprising £641 for heating, £179 for hot water and £90 for lighting. Average CO₂ emissions are 2.7 tonnes per year.