EPC Ratings in NN14
Postcode area NN14 — 7,133 Energy Performance Certificates on record
7K
Certificates
7K
Properties
C (70)
Average Rating
£1,129
Avg Energy Cost/yr
EPC Rating
A92+
4.4%B81–91
18.7%C69–80
38.4%70
D55–68
27.8%E39–54
8.5%F21–38
1.7%G1–20
0.5%NN14 is 1.5 points better than the national average (D, 68.5/100).
70
NN14
68.5
National average
85
Potential (with improvements)
Rating Distribution
A
3154.4%
B1,335
18.7%
C2,737
38.4%
D1,980
27.8%
E604
8.5%
F
1241.7%
G
380.5%
Average Annual Energy Costs
| Cost Type | NN14 | National Avg | Difference |
|---|---|---|---|
| Heating | £855/yr | £782/yr | ▲ £73 |
| Hot water | £173/yr | £184/yr | ▼ £11 |
| Lighting | £101/yr | £95/yr | ▲ £6 |
| Total | £1,129/yr | £1,061/yr | ▲ £68 |
Property Types
House
5,67879.6%
Bungalow
78711.0%
Flat
5858.2%
Maisonette
831.2%
Main Heating Fuel
Mains gas
6,04284.8%
Electric
6499.1%
Oil
3675.1%
Other
370.5%
LPG
340.5%
CO₂ Emissions
3.6 tonnes/yr
Current average
1.8 tonnes/yr
Potential (with improvements)
Average floor area: 99 m²
Construction Age
Pre-1900
850
1900–1929
611
1930–1949
335
1950–1966
602
1967–1975
626
1976–1982
312
1983–1990
406
1991–1995
302
1996–2002
516
2003–2006
533
2007–2011
401
2012+
1,424
Efficiency Trend Over Time
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The postcode area NN14 has 7,133 Energy Performance Certificates on record, covering 6,870 properties. The average EPC rating is C with an efficiency score of 70 out of 100. Annual energy costs average £1,129, comprising £855 for heating, £173 for hot water and £101 for lighting. Average CO₂ emissions are 3.6 tonnes per year, with the potential to reduce to 1.8 tonnes through energy efficiency improvements.