EPC Ratings in TN4
Postcode area TN4 — 4,970 Energy Performance Certificates on record
5K
Certificates
5K
Properties
D (66)
Average Rating
£1,220
Avg Energy Cost/yr
EPC Rating
A92+
0.4%B81–91
7.9%C69–80
39.6%D55–68
39.6%66
E39–54
10.4%F21–38
1.6%G1–20
0.4%TN4 is 2.5 points worse than the national average (D, 68.5/100).
66
TN4
68.5
National average
80
Potential (with improvements)
Rating Distribution
A
220.4%
B
3927.9%
C1,969
39.6%
D1,970
39.6%
E516
10.4%
F
791.6%
G
220.4%
Average Annual Energy Costs
| Cost Type | TN4 | National Avg | Difference |
|---|---|---|---|
| Heating | £925/yr | £782/yr | ▲ £143 |
| Hot water | £193/yr | £184/yr | ▲ £9 |
| Lighting | £101/yr | £95/yr | ▲ £6 |
| Total | £1,220/yr | £1,061/yr | ▲ £159 |
Property Types
House
2,91858.7%
Flat
1,77935.8%
Maisonette
1593.2%
Bungalow
1142.3%
Main Heating Fuel
Mains gas
4,03782.6%
Electric
81516.7%
Other
170.3%
Oil
120.2%
LPG
90.2%
CO₂ Emissions
3.8 tonnes/yr
Current average
2.1 tonnes/yr
Potential (with improvements)
Average floor area: 93 m²
Construction Age
Pre-1900
922
1900–1929
918
1930–1949
449
1950–1966
789
1967–1975
342
1976–1982
218
1983–1990
269
1991–1995
136
1996–2002
153
2003–2006
163
2007–2011
128
2012+
377
Efficiency Trend Over Time
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The postcode area TN4 has 4,970 Energy Performance Certificates on record, covering 4,781 properties. The average EPC rating is D with an efficiency score of 66 out of 100. Annual energy costs average £1,220, comprising £925 for heating, £193 for hot water and £101 for lighting. Average CO₂ emissions are 3.8 tonnes per year, with the potential to reduce to 2.1 tonnes through energy efficiency improvements.