EPC Ratings in CM21
Postcode area CM21 — 1,891 Energy Performance Certificates on record
2K
Certificates
2K
Properties
C (71)
Average Rating
£999
Avg Energy Cost/yr
EPC Rating
A92+
0.6%B81–91
21.7%C69–80
42.3%71
D55–68
27.7%E39–54
6.5%F21–38
1.1%G1–20
0.1%CM21 is 2.5 points better than the national average (D, 68.5/100).
71
CM21
68.5
National average
84
Potential (with improvements)
Rating Distribution
A
120.6%
B410
21.7%
C800
42.3%
D524
27.7%
E
1236.5%
F
211.1%
G
10.1%
Average Annual Energy Costs
| Cost Type | CM21 | National Avg | Difference |
|---|---|---|---|
| Heating | £720/yr | £782/yr | ▼ £62 |
| Hot water | £181/yr | £184/yr | ▼ £3 |
| Lighting | £98/yr | £95/yr | ▲ £3 |
| Total | £999/yr | £1,061/yr | ▼ £62 |
Property Types
House
1,23365.2%
Flat
50226.5%
Bungalow
1286.8%
Maisonette
281.5%
Main Heating Fuel
Mains gas
1,47778.1%
Electric
36219.1%
Oil
422.2%
Other
80.4%
LPG
20.1%
CO₂ Emissions
3.1 tonnes/yr
Current average
1.7 tonnes/yr
Potential (with improvements)
Average floor area: 93 m²
Construction Age
Pre-1900
65
1900–1929
99
1930–1949
122
1950–1966
204
1967–1975
251
1976–1982
142
1983–1990
145
1991–1995
246
1996–2002
78
2003–2006
60
2007–2011
59
2012+
410
Efficiency Trend Over Time
Search Another Postcode
The postcode area CM21 has 1,891 Energy Performance Certificates on record, covering 1,852 properties. The average EPC rating is C with an efficiency score of 71 out of 100. Annual energy costs average £999, comprising £720 for heating, £181 for hot water and £98 for lighting. Average CO₂ emissions are 3.1 tonnes per year, with the potential to reduce to 1.7 tonnes through energy efficiency improvements.