EPC Ratings in NN15
Postcode area NN15 — 6,049 Energy Performance Certificates on record
6K
Certificates
6K
Properties
C (73)
Average Rating
£942
Avg Energy Cost/yr
EPC Rating
A92+
2.1%B81–91
30.7%C69–80
35.9%73
D55–68
26.4%E39–54
4.1%F21–38
0.6%G1–20
0.1%NN15 is 4.5 points better than the national average (D, 68.5/100).
73
NN15
68.5
National average
86
Potential (with improvements)
Rating Distribution
A
1292.1%
B1,855
30.7%
C2,171
35.9%
D1,598
26.4%
E
2484.1%
F
390.6%
G
90.1%
Average Annual Energy Costs
| Cost Type | NN15 | National Avg | Difference |
|---|---|---|---|
| Heating | £693/yr | £782/yr | ▼ £89 |
| Hot water | £152/yr | £184/yr | ▼ £32 |
| Lighting | £98/yr | £95/yr | ▲ £3 |
| Total | £942/yr | £1,061/yr | ▼ £119 |
Property Types
House
4,80279.4%
Flat
66811.0%
Bungalow
4878.1%
Maisonette
921.5%
Main Heating Fuel
Mains gas
5,71794.5%
Electric
3085.1%
Other
110.2%
Oil
100.2%
LPG
20.0%
CO₂ Emissions
2.9 tonnes/yr
Current average
1.5 tonnes/yr
Potential (with improvements)
Average floor area: 91 m²
Construction Age
Pre-1900
215
1900–1929
268
1930–1949
402
1950–1966
720
1967–1975
723
1976–1982
200
1983–1990
305
1991–1995
305
1996–2002
427
2003–2006
190
2007–2011
266
2012+
1,797
Efficiency Trend Over Time
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The postcode area NN15 has 6,049 Energy Performance Certificates on record, covering 5,888 properties. The average EPC rating is C with an efficiency score of 73 out of 100. Annual energy costs average £942, comprising £693 for heating, £152 for hot water and £98 for lighting. Average CO₂ emissions are 2.9 tonnes per year, with the potential to reduce to 1.5 tonnes through energy efficiency improvements.