EPC Ratings in TW4
Postcode area TW4 — 4,186 Energy Performance Certificates on record
4K
Certificates
4K
Properties
C (70)
Average Rating
£860
Avg Energy Cost/yr
EPC Rating
A92+
0.2%B81–91
12.2%C69–80
48.8%70
D55–68
32.0%E39–54
6.2%F21–38
0.5%G1–20
0.0%TW4 is 1.5 points better than the national average (D, 68.5/100).
70
TW4
68.5
National average
81
Potential (with improvements)
Rating Distribution
A
90.2%
B511
12.2%
C2,042
48.8%
D1,341
32.0%
E
2616.2%
F
200.5%
G
20.0%
Average Annual Energy Costs
| Cost Type | TW4 | National Avg | Difference |
|---|---|---|---|
| Heating | £597/yr | £782/yr | ▼ £185 |
| Hot water | £177/yr | £184/yr | ▼ £7 |
| Lighting | £86/yr | £95/yr | ▼ £9 |
| Total | £860/yr | £1,061/yr | ▼ £201 |
Property Types
House
1,98247.3%
Flat
1,83143.7%
Maisonette
2816.7%
Bungalow
922.2%
Main Heating Fuel
Mains gas
3,15880.0%
Electric
77719.7%
Other
110.3%
Oil
30.1%
CO₂ Emissions
2.6 tonnes/yr
Current average
1.5 tonnes/yr
Potential (with improvements)
Average floor area: 75 m²
Construction Age
Pre-1900
24
1900–1929
362
1930–1949
1,164
1950–1966
588
1967–1975
469
1976–1982
203
1983–1990
210
1991–1995
137
1996–2002
202
2003–2006
176
2007–2011
125
2012+
516
Efficiency Trend Over Time
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The postcode area TW4 has 4,186 Energy Performance Certificates on record, covering 4,016 properties. The average EPC rating is C with an efficiency score of 70 out of 100. Annual energy costs average £860, comprising £597 for heating, £177 for hot water and £86 for lighting. Average CO₂ emissions are 2.6 tonnes per year, with the potential to reduce to 1.5 tonnes through energy efficiency improvements.