EPC Ratings in CB23
Postcode area CB23 — 6,028 Energy Performance Certificates on record
6K
Certificates
6K
Properties
C (74)
Average Rating
£1,026
Avg Energy Cost/yr
EPC Rating
A92+
5.0%B81–91
28.4%C69–80
40.8%74
D55–68
17.2%E39–54
6.8%F21–38
1.5%G1–20
0.3%CB23 is 5.5 points better than the national average (D, 68.5/100).
74
CB23
68.5
National average
86
Potential (with improvements)
Rating Distribution
A
3035.0%
B1,711
28.4%
C2,460
40.8%
D1,036
17.2%
E
4116.8%
F
881.5%
G
190.3%
Average Annual Energy Costs
| Cost Type | CB23 | National Avg | Difference |
|---|---|---|---|
| Heating | £731/yr | £782/yr | ▼ £51 |
| Hot water | £187/yr | £184/yr | ▲ £3 |
| Lighting | £108/yr | £95/yr | ▲ £13 |
| Total | £1,026/yr | £1,061/yr | ▼ £35 |
Property Types
House
4,55475.5%
Flat
75612.5%
Bungalow
61310.2%
Maisonette
1051.7%
Main Heating Fuel
Mains gas
4,32271.7%
Electric
86014.3%
Oil
77612.9%
LPG
350.6%
Other
320.5%
CO₂ Emissions
3.1 tonnes/yr
Current average
1.7 tonnes/yr
Potential (with improvements)
Average floor area: 106 m²
Construction Age
Pre-1900
315
1900–1929
140
1930–1949
144
1950–1966
356
1967–1975
515
1976–1982
326
1983–1990
466
1991–1995
153
1996–2002
524
2003–2006
666
2007–2011
499
2012+
1,813
Efficiency Trend Over Time
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The postcode area CB23 has 6,028 Energy Performance Certificates on record, covering 5,798 properties. The average EPC rating is C with an efficiency score of 74 out of 100. Annual energy costs average £1,026, comprising £731 for heating, £187 for hot water and £108 for lighting. Average CO₂ emissions are 3.1 tonnes per year, with the potential to reduce to 1.7 tonnes through energy efficiency improvements.