EPC Ratings in DE21
Postcode area DE21 — 7,192 Energy Performance Certificates on record
7K
Certificates
7K
Properties
D (66)
Average Rating
£1,047
Avg Energy Cost/yr
EPC Rating
A92+
0.3%B81–91
8.2%C69–80
37.0%D55–68
42.6%66
E39–54
9.8%F21–38
1.7%G1–20
0.4%DE21 is 2.5 points worse than the national average (D, 68.5/100).
66
DE21
68.5
National average
83
Potential (with improvements)
Rating Distribution
A
240.3%
B593
8.2%
C2,661
37.0%
D3,062
42.6%
E704
9.8%
F
1201.7%
G
280.4%
Average Annual Energy Costs
| Cost Type | DE21 | National Avg | Difference |
|---|---|---|---|
| Heating | £787/yr | £782/yr | ▲ £5 |
| Hot water | £171/yr | £184/yr | ▼ £13 |
| Lighting | £90/yr | £95/yr | ▼ £5 |
| Total | £1,047/yr | £1,061/yr | ▼ £14 |
Property Types
House
5,58577.7%
Bungalow
78911.0%
Flat
7029.8%
Maisonette
1161.6%
Main Heating Fuel
Mains gas
6,46389.9%
Electric
6669.3%
Other
320.4%
Oil
230.3%
LPG
80.1%
CO₂ Emissions
3.3 tonnes/yr
Current average
1.6 tonnes/yr
Potential (with improvements)
Average floor area: 79 m²
Construction Age
Pre-1900
120
1900–1929
546
1930–1949
1,214
1950–1966
1,413
1967–1975
862
1976–1982
477
1983–1990
732
1991–1995
645
1996–2002
282
2003–2006
158
2007–2011
212
2012+
301
Efficiency Trend Over Time
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The postcode area DE21 has 7,192 Energy Performance Certificates on record, covering 6,839 properties. The average EPC rating is D with an efficiency score of 66 out of 100. Annual energy costs average £1,047, comprising £787 for heating, £171 for hot water and £90 for lighting. Average CO₂ emissions are 3.3 tonnes per year, with the potential to reduce to 1.6 tonnes through energy efficiency improvements.