EPC Ratings in S21
Postcode area S21 — 3,227 Energy Performance Certificates on record
3K
Certificates
3K
Properties
D (68)
Average Rating
£1,068
Avg Energy Cost/yr
EPC Rating
A92+
0.5%B81–91
5.2%C69–80
50.3%D55–68
36.4%68
E39–54
5.9%F21–38
1.3%G1–20
0.4%S21 is 0.5 points worse than the national average (D, 68.5/100).
68
S21
68.5
National average
84
Potential (with improvements)
Rating Distribution
A
170.5%
B
1685.2%
C1,623
50.3%
D1,174
36.4%
E
1925.9%
F
411.3%
G
120.4%
Average Annual Energy Costs
| Cost Type | S21 | National Avg | Difference |
|---|---|---|---|
| Heating | £817/yr | £782/yr | ▲ £35 |
| Hot water | £158/yr | £184/yr | ▼ £26 |
| Lighting | £94/yr | £95/yr | ▼ £1 |
| Total | £1,068/yr | £1,061/yr | ▲ £7 |
Property Types
House
2,34172.5%
Bungalow
61819.2%
Flat
2578.0%
Maisonette
110.3%
Main Heating Fuel
Mains gas
3,05894.8%
Electric
902.8%
Other
531.6%
LPG
130.4%
Oil
110.3%
CO₂ Emissions
3.2 tonnes/yr
Current average
1.7 tonnes/yr
Potential (with improvements)
Average floor area: 83 m²
Construction Age
Pre-1900
142
1900–1929
255
1930–1949
300
1950–1966
1,134
1967–1975
274
1976–1982
308
1983–1990
204
1991–1995
95
1996–2002
80
2003–2006
87
2007–2011
66
2012+
235
Efficiency Trend Over Time
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The postcode area S21 has 3,227 Energy Performance Certificates on record, covering 2,998 properties. The average EPC rating is D with an efficiency score of 68 out of 100. Annual energy costs average £1,068, comprising £817 for heating, £158 for hot water and £94 for lighting. Average CO₂ emissions are 3.2 tonnes per year, with the potential to reduce to 1.7 tonnes through energy efficiency improvements.