EPC Ratings in KT23
Postcode area KT23 — 1,661 Energy Performance Certificates on record
2K
Certificates
2K
Properties
D (66)
Average Rating
£1,317
Avg Energy Cost/yr
EPC Rating
A92+
0.4%B81–91
10.5%C69–80
36.1%D55–68
37.1%66
E39–54
14.1%F21–38
1.6%G1–20
0.2%KT23 is 2.5 points worse than the national average (D, 68.5/100).
66
KT23
68.5
National average
81
Potential (with improvements)
Rating Distribution
A
60.4%
B174
10.5%
C599
36.1%
D617
37.1%
E235
14.1%
F
271.6%
G
30.2%
Average Annual Energy Costs
| Cost Type | KT23 | National Avg | Difference |
|---|---|---|---|
| Heating | £998/yr | £782/yr | ▲ £216 |
| Hot water | £208/yr | £184/yr | ▲ £24 |
| Lighting | £112/yr | £95/yr | ▲ £17 |
| Total | £1,317/yr | £1,061/yr | ▲ £256 |
Property Types
House
96958.3%
Flat
38723.3%
Bungalow
27316.4%
Maisonette
321.9%
Main Heating Fuel
Mains gas
1,34080.7%
Electric
31318.8%
Oil
60.4%
LPG
10.1%
Other
10.1%
CO₂ Emissions
4.1 tonnes/yr
Current average
2.3 tonnes/yr
Potential (with improvements)
Average floor area: 108 m²
Construction Age
Pre-1900
44
1900–1929
81
1930–1949
152
1950–1966
429
1967–1975
302
1976–1982
149
1983–1990
126
1991–1995
48
1996–2002
70
2003–2006
36
2007–2011
38
2012+
97
Efficiency Trend Over Time
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The postcode area KT23 has 1,661 Energy Performance Certificates on record, covering 1,565 properties. The average EPC rating is D with an efficiency score of 66 out of 100. Annual energy costs average £1,317, comprising £998 for heating, £208 for hot water and £112 for lighting. Average CO₂ emissions are 4.1 tonnes per year, with the potential to reduce to 2.3 tonnes through energy efficiency improvements.