EPC Ratings in CW3
Postcode area CW3 — 1,364 Energy Performance Certificates on record
1K
Certificates
1K
Properties
D (62)
Average Rating
£1,548
Avg Energy Cost/yr
EPC Rating
A92+
0.4%B81–91
11.5%C69–80
26.2%D55–68
36.6%62
E39–54
18.6%F21–38
5.1%G1–20
1.7%CW3 is 6.5 points worse than the national average (D, 68.5/100).
62
CW3
68.5
National average
81
Potential (with improvements)
Rating Distribution
A
50.4%
B157
11.5%
C357
26.2%
D499
36.6%
E254
18.6%
F
695.1%
G
231.7%
Average Annual Energy Costs
| Cost Type | CW3 | National Avg | Difference |
|---|---|---|---|
| Heating | £1,194/yr | £782/yr | ▲ £412 |
| Hot water | £233/yr | £184/yr | ▲ £49 |
| Lighting | £121/yr | £95/yr | ▲ £26 |
| Total | £1,548/yr | £1,061/yr | ▲ £487 |
Property Types
House
95369.9%
Bungalow
23717.4%
Flat
15011.0%
Maisonette
241.8%
Main Heating Fuel
Mains gas
59743.8%
Oil
34925.6%
Electric
25118.4%
LPG
14010.3%
Other
261.9%
CO₂ Emissions
5.2 tonnes/yr
Current average
2.7 tonnes/yr
Potential (with improvements)
Average floor area: 120 m²
Construction Age
Pre-1900
211
1900–1929
80
1930–1949
66
1950–1966
192
1967–1975
202
1976–1982
70
1983–1990
98
1991–1995
69
1996–2002
48
2003–2006
39
2007–2011
102
2012+
135
Efficiency Trend Over Time
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The postcode area CW3 has 1,364 Energy Performance Certificates on record, covering 1,305 properties. The average EPC rating is D with an efficiency score of 62 out of 100. Annual energy costs average £1,548, comprising £1,194 for heating, £233 for hot water and £121 for lighting. Average CO₂ emissions are 5.2 tonnes per year, with the potential to reduce to 2.7 tonnes through energy efficiency improvements.