EPC Ratings in CO4
Postcode area CO4 — 6,903 Energy Performance Certificates on record
7K
Certificates
7K
Properties
C (71)
Average Rating
£945
Avg Energy Cost/yr
EPC Rating
A92+
0.8%B81–91
17.4%C69–80
50.3%71
D55–68
25.1%E39–54
5.4%F21–38
1.0%G1–20
0.0%CO4 is 2.5 points better than the national average (D, 68.5/100).
71
CO4
68.5
National average
84
Potential (with improvements)
Rating Distribution
A
560.8%
B1,198
17.4%
C3,473
50.3%
D1,733
25.1%
E
3745.4%
F
671.0%
G
20.0%
Average Annual Energy Costs
| Cost Type | CO4 | National Avg | Difference |
|---|---|---|---|
| Heating | £661/yr | £782/yr | ▼ £121 |
| Hot water | £188/yr | £184/yr | ▲ £4 |
| Lighting | £95/yr | £95/yr | — |
| Total | £945/yr | £1,061/yr | ▼ £116 |
Property Types
House
4,70268.1%
Flat
1,49121.6%
Bungalow
4586.6%
Maisonette
2513.6%
Park home
10.0%
Main Heating Fuel
Mains gas
5,34877.5%
Electric
1,30218.9%
Oil
1922.8%
LPG
350.5%
Other
250.4%
CO₂ Emissions
2.9 tonnes/yr
Current average
1.6 tonnes/yr
Potential (with improvements)
Average floor area: 87 m²
Construction Age
Pre-1900
112
1900–1929
175
1930–1949
310
1950–1966
583
1967–1975
926
1976–1982
607
1983–1990
849
1991–1995
391
1996–2002
532
2003–2006
702
2007–2011
574
2012+
875
Efficiency Trend Over Time
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The postcode area CO4 has 6,903 Energy Performance Certificates on record, covering 6,711 properties. The average EPC rating is C with an efficiency score of 71 out of 100. Annual energy costs average £945, comprising £661 for heating, £188 for hot water and £95 for lighting. Average CO₂ emissions are 2.9 tonnes per year, with the potential to reduce to 1.6 tonnes through energy efficiency improvements.