EPC Ratings in CT21
Postcode area CT21 — 3,390 Energy Performance Certificates on record
3K
Certificates
3K
Properties
D (68)
Average Rating
£1,115
Avg Energy Cost/yr
EPC Rating
A92+
0.2%B81–91
12.9%C69–80
40.9%D55–68
34.7%68
E39–54
9.0%F21–38
1.6%G1–20
0.7%CT21 is 0.5 points worse than the national average (D, 68.5/100).
68
CT21
68.5
National average
81
Potential (with improvements)
Rating Distribution
A
60.2%
B439
12.9%
C1,388
40.9%
D1,176
34.7%
E304
9.0%
F
531.6%
G
240.7%
Average Annual Energy Costs
| Cost Type | CT21 | National Avg | Difference |
|---|---|---|---|
| Heating | £833/yr | £782/yr | ▲ £51 |
| Hot water | £179/yr | £184/yr | ▼ £5 |
| Lighting | £102/yr | £95/yr | ▲ £7 |
| Total | £1,115/yr | £1,061/yr | ▲ £54 |
Property Types
House
1,91856.6%
Flat
1,04430.8%
Bungalow
37110.9%
Maisonette
561.7%
Park home
10.0%
Main Heating Fuel
Mains gas
2,91085.8%
Electric
38011.2%
Oil
692.0%
LPG
180.5%
Other
130.4%
CO₂ Emissions
3.5 tonnes/yr
Current average
1.9 tonnes/yr
Potential (with improvements)
Average floor area: 92 m²
Construction Age
Pre-1900
337
1900–1929
418
1930–1949
371
1950–1966
546
1967–1975
383
1976–1982
316
1983–1990
298
1991–1995
53
1996–2002
99
2003–2006
102
2007–2011
84
2012+
319
Efficiency Trend Over Time
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The postcode area CT21 has 3,390 Energy Performance Certificates on record, covering 3,132 properties. The average EPC rating is D with an efficiency score of 68 out of 100. Annual energy costs average £1,115, comprising £833 for heating, £179 for hot water and £102 for lighting. Average CO₂ emissions are 3.5 tonnes per year, with the potential to reduce to 1.9 tonnes through energy efficiency improvements.