EPC Ratings in HA4
Postcode area HA4 — 7,070 Energy Performance Certificates on record
7K
Certificates
7K
Properties
D (67)
Average Rating
£1,049
Avg Energy Cost/yr
EPC Rating
A92+
0.1%B81–91
7.6%C69–80
38.1%D55–68
43.7%67
E39–54
9.0%F21–38
1.0%G1–20
0.4%HA4 is 1.5 points worse than the national average (D, 68.5/100).
67
HA4
68.5
National average
81
Potential (with improvements)
Rating Distribution
A
70.1%
B
5387.6%
C2,697
38.1%
D3,091
43.7%
E639
9.0%
F
731.0%
G
250.4%
Average Annual Energy Costs
| Cost Type | HA4 | National Avg | Difference |
|---|---|---|---|
| Heating | £768/yr | £782/yr | ▼ £14 |
| Hot water | £183/yr | £184/yr | ▼ £1 |
| Lighting | £98/yr | £95/yr | ▲ £3 |
| Total | £1,049/yr | £1,061/yr | ▼ £12 |
Property Types
House
4,04757.2%
Flat
2,02328.6%
Maisonette
5037.1%
Bungalow
4977.0%
Main Heating Fuel
Mains gas
6,23688.7%
Electric
77111.0%
Other
170.2%
LPG
60.1%
CO₂ Emissions
3.3 tonnes/yr
Current average
1.7 tonnes/yr
Potential (with improvements)
Average floor area: 85 m²
Construction Age
Pre-1900
27
1900–1929
503
1930–1949
2,783
1950–1966
1,270
1967–1975
452
1976–1982
284
1983–1990
232
1991–1995
130
1996–2002
263
2003–2006
189
2007–2011
338
2012+
415
Efficiency Trend Over Time
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The postcode area HA4 has 7,070 Energy Performance Certificates on record, covering 6,788 properties. The average EPC rating is D with an efficiency score of 67 out of 100. Annual energy costs average £1,049, comprising £768 for heating, £183 for hot water and £98 for lighting. Average CO₂ emissions are 3.3 tonnes per year, with the potential to reduce to 1.7 tonnes through energy efficiency improvements.