EPC Ratings in CB4
Postcode area CB4 — 8,076 Energy Performance Certificates on record
8K
Certificates
7K
Properties
C (71)
Average Rating
£905
Avg Energy Cost/yr
EPC Rating
A92+
0.7%B81–91
14.3%C69–80
50.3%71
D55–68
27.0%E39–54
6.8%F21–38
0.7%G1–20
0.2%CB4 is 2.5 points better than the national average (D, 68.5/100).
71
CB4
68.5
National average
82
Potential (with improvements)
Rating Distribution
A
530.7%
B1,157
14.3%
C4,063
50.3%
D2,181
27.0%
E
5516.8%
F
580.7%
G
130.2%
Average Annual Energy Costs
| Cost Type | CB4 | National Avg | Difference |
|---|---|---|---|
| Heating | £649/yr | £782/yr | ▼ £133 |
| Hot water | £170/yr | £184/yr | ▼ £14 |
| Lighting | £86/yr | £95/yr | ▼ £9 |
| Total | £905/yr | £1,061/yr | ▼ £156 |
Property Types
House
4,29353.2%
Flat
3,21039.7%
Maisonette
2953.7%
Bungalow
2773.4%
Park home
10.0%
Main Heating Fuel
Mains gas
6,40782.4%
Electric
1,33917.2%
Other
220.3%
Oil
50.1%
LPG
40.1%
CO₂ Emissions
2.8 tonnes/yr
Current average
1.6 tonnes/yr
Potential (with improvements)
Average floor area: 77 m²
Construction Age
Pre-1900
437
1900–1929
942
1930–1949
877
1950–1966
1,000
1967–1975
974
1976–1982
426
1983–1990
675
1991–1995
403
1996–2002
428
2003–2006
262
2007–2011
805
2012+
763
Efficiency Trend Over Time
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The postcode area CB4 has 8,076 Energy Performance Certificates on record, covering 7,392 properties. The average EPC rating is C with an efficiency score of 71 out of 100. Annual energy costs average £905, comprising £649 for heating, £170 for hot water and £86 for lighting. Average CO₂ emissions are 2.8 tonnes per year, with the potential to reduce to 1.6 tonnes through energy efficiency improvements.