EPC Ratings in NN9
Postcode area NN9 — 4,376 Energy Performance Certificates on record
4K
Certificates
4K
Properties
C (70)
Average Rating
£1,039
Avg Energy Cost/yr
EPC Rating
A92+
1.4%B81–91
18.6%C69–80
42.2%70
D55–68
29.7%E39–54
6.8%F21–38
1.1%G1–20
0.3%NN9 is 1.5 points better than the national average (D, 68.5/100).
70
NN9
68.5
National average
85
Potential (with improvements)
Rating Distribution
A
621.4%
B816
18.6%
C1,845
42.2%
D1,298
29.7%
E
2966.8%
F
471.1%
G
120.3%
Average Annual Energy Costs
| Cost Type | NN9 | National Avg | Difference |
|---|---|---|---|
| Heating | £775/yr | £782/yr | ▼ £7 |
| Hot water | £170/yr | £184/yr | ▼ £14 |
| Lighting | £94/yr | £95/yr | ▼ £1 |
| Total | £1,039/yr | £1,061/yr | ▼ £22 |
Property Types
House
3,25774.4%
Flat
55212.6%
Bungalow
47910.9%
Maisonette
882.0%
Main Heating Fuel
Mains gas
3,81787.2%
Electric
49411.3%
Oil
451.0%
Other
110.3%
LPG
90.2%
CO₂ Emissions
3.2 tonnes/yr
Current average
1.6 tonnes/yr
Potential (with improvements)
Average floor area: 89 m²
Construction Age
Pre-1900
350
1900–1929
351
1930–1949
294
1950–1966
534
1967–1975
434
1976–1982
272
1983–1990
319
1991–1995
193
1996–2002
294
2003–2006
218
2007–2011
162
2012+
724
Efficiency Trend Over Time
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The postcode area NN9 has 4,376 Energy Performance Certificates on record, covering 4,192 properties. The average EPC rating is C with an efficiency score of 70 out of 100. Annual energy costs average £1,039, comprising £775 for heating, £170 for hot water and £94 for lighting. Average CO₂ emissions are 3.2 tonnes per year, with the potential to reduce to 1.6 tonnes through energy efficiency improvements.