EPC Ratings in NN17
Postcode area NN17 — 5,373 Energy Performance Certificates on record
5K
Certificates
5K
Properties
C (74)
Average Rating
£920
Avg Energy Cost/yr
EPC Rating
A92+
4.5%B81–91
29.8%C69–80
34.6%74
D55–68
25.3%E39–54
4.5%F21–38
0.9%G1–20
0.3%NN17 is 5.5 points better than the national average (D, 68.5/100).
74
NN17
68.5
National average
86
Potential (with improvements)
Rating Distribution
A
2444.5%
B1,602
29.8%
C1,860
34.6%
D1,361
25.3%
E
2444.5%
F
480.9%
G
140.3%
Average Annual Energy Costs
| Cost Type | NN17 | National Avg | Difference |
|---|---|---|---|
| Heating | £655/yr | £782/yr | ▼ £127 |
| Hot water | £169/yr | £184/yr | ▼ £15 |
| Lighting | £96/yr | £95/yr | ▲ £1 |
| Total | £920/yr | £1,061/yr | ▼ £141 |
Property Types
House
4,10176.3%
Flat
91917.1%
Bungalow
2685.0%
Maisonette
851.6%
Main Heating Fuel
Mains gas
4,60585.8%
Electric
64111.9%
Oil
791.5%
Other
330.6%
LPG
70.1%
CO₂ Emissions
2.7 tonnes/yr
Current average
1.4 tonnes/yr
Potential (with improvements)
Average floor area: 87 m²
Construction Age
Pre-1900
174
1900–1929
102
1930–1949
660
1950–1966
979
1967–1975
418
1976–1982
162
1983–1990
224
1991–1995
155
1996–2002
133
2003–2006
141
2007–2011
353
2012+
1,620
Efficiency Trend Over Time
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The postcode area NN17 has 5,373 Energy Performance Certificates on record, covering 5,166 properties. The average EPC rating is C with an efficiency score of 74 out of 100. Annual energy costs average £920, comprising £655 for heating, £169 for hot water and £96 for lighting. Average CO₂ emissions are 2.7 tonnes per year, with the potential to reduce to 1.4 tonnes through energy efficiency improvements.