EPC Ratings in SE21
Postcode area SE21 — 2,697 Energy Performance Certificates on record
3K
Certificates
3K
Properties
D (66)
Average Rating
£1,142
Avg Energy Cost/yr
EPC Rating
A92+
0.6%B81–91
2.9%C69–80
43.1%D55–68
40.9%66
E39–54
11.2%F21–38
1.1%G1–20
0.2%SE21 is 2.5 points worse than the national average (D, 68.5/100).
66
SE21
68.5
National average
78
Potential (with improvements)
Rating Distribution
A
160.6%
B
792.9%
C1,162
43.1%
D1,102
40.9%
E302
11.2%
F
301.1%
G
60.2%
Average Annual Energy Costs
| Cost Type | SE21 | National Avg | Difference |
|---|---|---|---|
| Heating | £856/yr | £782/yr | ▲ £74 |
| Hot water | £184/yr | £184/yr | — |
| Lighting | £103/yr | £95/yr | ▲ £8 |
| Total | £1,142/yr | £1,061/yr | ▲ £81 |
Property Types
Flat
1,55457.6%
House
93134.5%
Maisonette
1786.6%
Bungalow
341.3%
Main Heating Fuel
Mains gas
2,44290.5%
Electric
2499.2%
Other
60.2%
CO₂ Emissions
3.6 tonnes/yr
Current average
2 tonnes/yr
Potential (with improvements)
Average floor area: 94 m²
Construction Age
Pre-1900
315
1900–1929
685
1930–1949
576
1950–1966
379
1967–1975
269
1976–1982
154
1983–1990
159
1991–1995
21
1996–2002
36
2003–2006
23
2007–2011
14
2012+
65
Efficiency Trend Over Time
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The postcode area SE21 has 2,697 Energy Performance Certificates on record, covering 2,530 properties. The average EPC rating is D with an efficiency score of 66 out of 100. Annual energy costs average £1,142, comprising £856 for heating, £184 for hot water and £103 for lighting. Average CO₂ emissions are 3.6 tonnes per year, with the potential to reduce to 2 tonnes through energy efficiency improvements.