EPC Ratings in Arfon
Parliamentary Constituency — 6,731 Energy Performance Certificates on record
7K
Certificates
7K
Properties
D (61)
Average Rating
£1,295
Avg Energy Cost/yr
EPC Rating
A92+
2.7%B81–91
4.3%C69–80
31.7%D55–68
34.7%61
E39–54
16.6%F21–38
7.0%G1–20
3.0%Arfon is 7.5 points worse than the national average (D, 68.5/100).
61
Arfon
68.5
National average
82
Potential
Rating Distribution
A
1822.7%
B
2894.3%
C2,135
31.7%
D2,339
34.7%
E1,114
16.6%
F
4697.0%
G
2033.0%
Average Annual Energy Costs
| Cost Type | Arfon | National Avg | Difference |
|---|---|---|---|
| Heating | £990/yr | £782/yr | ▲ £208 |
| Hot water | £204/yr | £184/yr | ▲ £20 |
| Lighting | £101/yr | £95/yr | ▲ £6 |
| Total | £1,295/yr | £1,061/yr | ▲ £234 |
Property Types
House
4,83771.9%
Flat
1,14117.0%
Bungalow
6349.4%
Maisonette
1171.7%
Park home
20.0%
Main Heating Fuel
Mains gas
4,27263.6%
Electric
1,32119.7%
Oil
5147.7%
LPG
3945.9%
Other
2143.2%
CO₂ Emissions
4.2 tonnes/yr
Current average
2 tonnes/yr
Potential
Average floor area: 88 m²
Construction Age
Pre-1900
2,277
1900–1929
970
1930–1949
476
1950–1966
706
1967–1975
490
1976–1982
351
1983–1990
289
1991–1995
246
1996–2002
170
2003–2006
102
2007–2011
112
2012+
402
Efficiency Trend Over Time
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Arfon has 6,731 Energy Performance Certificates on record, covering 6,503 properties. The average EPC rating is D with an efficiency score of 61 out of 100. Annual energy costs average £1,295, comprising £990 for heating, £204 for hot water and £101 for lighting. Average CO₂ emissions are 4.2 tonnes per year.