EPC Ratings in BN21
Postcode area BN21 — 6,268 Energy Performance Certificates on record
6K
Certificates
6K
Properties
D (67)
Average Rating
£974
Avg Energy Cost/yr
EPC Rating
A92+
0.5%B81–91
6.4%C69–80
45.5%D55–68
35.1%67
E39–54
11.5%F21–38
0.8%G1–20
0.2%BN21 is 1.5 points worse than the national average (D, 68.5/100).
67
BN21
68.5
National average
78
Potential (with improvements)
Rating Distribution
A
300.5%
B
4026.4%
C2,855
45.5%
D2,199
35.1%
E720
11.5%
F
520.8%
G
100.2%
Average Annual Energy Costs
| Cost Type | BN21 | National Avg | Difference |
|---|---|---|---|
| Heating | £684/yr | £782/yr | ▼ £98 |
| Hot water | £207/yr | £184/yr | ▲ £23 |
| Lighting | £84/yr | £95/yr | ▼ £11 |
| Total | £974/yr | £1,061/yr | ▼ £87 |
Property Types
Flat
4,57873.0%
House
1,29320.6%
Maisonette
2013.2%
Bungalow
1963.1%
Main Heating Fuel
Mains gas
4,12865.9%
Electric
2,10933.6%
Other
250.4%
Oil
60.1%
CO₂ Emissions
2.9 tonnes/yr
Current average
1.8 tonnes/yr
Potential (with improvements)
Average floor area: 73 m²
Construction Age
Pre-1900
1,111
1900–1929
1,621
1930–1949
335
1950–1966
393
1967–1975
801
1976–1982
301
1983–1990
307
1991–1995
127
1996–2002
267
2003–2006
150
2007–2011
119
2012+
453
Efficiency Trend Over Time
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The postcode area BN21 has 6,268 Energy Performance Certificates on record, covering 5,947 properties. The average EPC rating is D with an efficiency score of 67 out of 100. Annual energy costs average £974, comprising £684 for heating, £207 for hot water and £84 for lighting. Average CO₂ emissions are 2.9 tonnes per year, with the potential to reduce to 1.8 tonnes through energy efficiency improvements.