EPC Ratings in CW9
Postcode area CW9 — 4,700 Energy Performance Certificates on record
5K
Certificates
5K
Properties
C (69)
Average Rating
£1,062
Avg Energy Cost/yr
EPC Rating
A92+
4.1%B81–91
17.5%C69–80
32.4%69
D55–68
36.6%E39–54
7.3%F21–38
1.6%G1–20
0.5%CW9 is 0.5 points better than the national average (D, 68.5/100).
69
CW9
68.5
National average
84
Potential (with improvements)
Rating Distribution
A
1944.1%
B823
17.5%
C1,522
32.4%
D1,719
36.6%
E
3437.3%
F
751.6%
G
240.5%
Average Annual Energy Costs
| Cost Type | CW9 | National Avg | Difference |
|---|---|---|---|
| Heating | £789/yr | £782/yr | ▲ £7 |
| Hot water | £173/yr | £184/yr | ▼ £11 |
| Lighting | £100/yr | £95/yr | ▲ £5 |
| Total | £1,062/yr | £1,061/yr | ▲ £1 |
Property Types
House
3,54175.3%
Flat
72315.4%
Bungalow
3717.9%
Maisonette
651.4%
Main Heating Fuel
Mains gas
4,07088.0%
Electric
3928.5%
Oil
1002.2%
LPG
461.0%
Other
180.4%
CO₂ Emissions
3.3 tonnes/yr
Current average
1.7 tonnes/yr
Potential (with improvements)
Average floor area: 91 m²
Construction Age
Pre-1900
382
1900–1929
688
1930–1949
351
1950–1966
741
1967–1975
296
1976–1982
152
1983–1990
168
1991–1995
216
1996–2002
457
2003–2006
196
2007–2011
59
2012+
792
Efficiency Trend Over Time
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The postcode area CW9 has 4,700 Energy Performance Certificates on record, covering 4,567 properties. The average EPC rating is C with an efficiency score of 69 out of 100. Annual energy costs average £1,062, comprising £789 for heating, £173 for hot water and £100 for lighting. Average CO₂ emissions are 3.3 tonnes per year, with the potential to reduce to 1.7 tonnes through energy efficiency improvements.