EPC Ratings in CM23
Postcode area CM23 — 8,053 Energy Performance Certificates on record
8K
Certificates
8K
Properties
C (74)
Average Rating
£935
Avg Energy Cost/yr
EPC Rating
A92+
5.7%B81–91
32.6%C69–80
30.6%74
D55–68
24.8%E39–54
5.4%F21–38
0.7%G1–20
0.1%CM23 is 5.5 points better than the national average (D, 68.5/100).
74
CM23
68.5
National average
85
Potential (with improvements)
Rating Distribution
A
4625.7%
B2,623
32.6%
C2,463
30.6%
D2,001
24.8%
E
4355.4%
F
580.7%
G
110.1%
Average Annual Energy Costs
| Cost Type | CM23 | National Avg | Difference |
|---|---|---|---|
| Heating | £666/yr | £782/yr | ▼ £116 |
| Hot water | £175/yr | £184/yr | ▼ £9 |
| Lighting | £95/yr | £95/yr | — |
| Total | £935/yr | £1,061/yr | ▼ £126 |
Property Types
House
5,56969.2%
Flat
2,07625.8%
Bungalow
2322.9%
Maisonette
1762.2%
Main Heating Fuel
Mains gas
6,51880.9%
Electric
1,37017.0%
Oil
1371.7%
Other
220.3%
LPG
50.1%
CO₂ Emissions
2.8 tonnes/yr
Current average
1.6 tonnes/yr
Potential (with improvements)
Average floor area: 91 m²
Construction Age
Pre-1900
321
1900–1929
491
1930–1949
403
1950–1966
619
1967–1975
445
1976–1982
373
1983–1990
813
1991–1995
384
1996–2002
496
2003–2006
410
2007–2011
297
2012+
2,625
Efficiency Trend Over Time
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The postcode area CM23 has 8,053 Energy Performance Certificates on record, covering 7,835 properties. The average EPC rating is C with an efficiency score of 74 out of 100. Annual energy costs average £935, comprising £666 for heating, £175 for hot water and £95 for lighting. Average CO₂ emissions are 2.8 tonnes per year, with the potential to reduce to 1.6 tonnes through energy efficiency improvements.