EPC Ratings in CW4
Postcode area CW4 — 1,599 Energy Performance Certificates on record
2K
Certificates
2K
Properties
C (70)
Average Rating
£1,173
Avg Energy Cost/yr
EPC Rating
A92+
0.8%B81–91
26.6%C69–80
29.0%70
D55–68
35.1%E39–54
6.4%F21–38
1.6%G1–20
0.6%CW4 is 1.5 points better than the national average (D, 68.5/100).
70
CW4
68.5
National average
84
Potential (with improvements)
Rating Distribution
A
120.8%
B425
26.6%
C463
29.0%
D562
35.1%
E
1026.4%
F
261.6%
G
90.6%
Average Annual Energy Costs
| Cost Type | CW4 | National Avg | Difference |
|---|---|---|---|
| Heating | £883/yr | £782/yr | ▲ £101 |
| Hot water | £182/yr | £184/yr | ▼ £2 |
| Lighting | £108/yr | £95/yr | ▲ £13 |
| Total | £1,173/yr | £1,061/yr | ▲ £112 |
Property Types
House
1,14971.9%
Bungalow
32520.3%
Flat
1147.1%
Maisonette
100.6%
Park home
10.1%
Main Heating Fuel
Mains gas
1,35985.0%
Electric
1338.3%
Oil
694.3%
LPG
271.7%
Other
110.7%
CO₂ Emissions
3.7 tonnes/yr
Current average
2.1 tonnes/yr
Potential (with improvements)
Average floor area: 110 m²
Construction Age
Pre-1900
67
1900–1929
57
1930–1949
110
1950–1966
197
1967–1975
268
1976–1982
181
1983–1990
73
1991–1995
46
1996–2002
81
2003–2006
36
2007–2011
25
2012+
355
Efficiency Trend Over Time
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The postcode area CW4 has 1,599 Energy Performance Certificates on record, covering 1,552 properties. The average EPC rating is C with an efficiency score of 70 out of 100. Annual energy costs average £1,173, comprising £883 for heating, £182 for hot water and £108 for lighting. Average CO₂ emissions are 3.7 tonnes per year, with the potential to reduce to 2.1 tonnes through energy efficiency improvements.