EPC Ratings in KT21
Postcode area KT21 — 1,762 Energy Performance Certificates on record
2K
Certificates
2K
Properties
D (67)
Average Rating
£1,396
Avg Energy Cost/yr
EPC Rating
A92+
0.5%B81–91
7.3%C69–80
40.5%D55–68
40.1%67
E39–54
10.0%F21–38
1.5%G1–20
0.1%KT21 is 1.5 points worse than the national average (D, 68.5/100).
67
KT21
68.5
National average
80
Potential (with improvements)
Rating Distribution
A
80.5%
B
1297.3%
C713
40.5%
D706
40.1%
E177
10.0%
F
271.5%
G
20.1%
Average Annual Energy Costs
| Cost Type | KT21 | National Avg | Difference |
|---|---|---|---|
| Heating | £1,082/yr | £782/yr | ▲ £300 |
| Hot water | £196/yr | £184/yr | ▲ £12 |
| Lighting | £119/yr | £95/yr | ▲ £24 |
| Total | £1,396/yr | £1,061/yr | ▲ £335 |
Property Types
House
1,12764.0%
Flat
34519.6%
Bungalow
23413.3%
Maisonette
563.2%
Main Heating Fuel
Mains gas
1,61091.4%
Electric
1438.1%
Other
40.2%
LPG
30.2%
Oil
20.1%
CO₂ Emissions
4.4 tonnes/yr
Current average
2.5 tonnes/yr
Potential (with improvements)
Average floor area: 120 m²
Construction Age
Pre-1900
31
1900–1929
178
1930–1949
430
1950–1966
373
1967–1975
169
1976–1982
75
1983–1990
129
1991–1995
57
1996–2002
72
2003–2006
43
2007–2011
105
2012+
71
Efficiency Trend Over Time
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The postcode area KT21 has 1,762 Energy Performance Certificates on record, covering 1,665 properties. The average EPC rating is D with an efficiency score of 67 out of 100. Annual energy costs average £1,396, comprising £1,082 for heating, £196 for hot water and £119 for lighting. Average CO₂ emissions are 4.4 tonnes per year, with the potential to reduce to 2.5 tonnes through energy efficiency improvements.