EPC Ratings in NN12
Postcode area NN12 — 4,860 Energy Performance Certificates on record
5K
Certificates
5K
Properties
C (71)
Average Rating
£1,140
Avg Energy Cost/yr
EPC Rating
A92+
2.1%B81–91
35.0%C69–80
27.2%71
D55–68
23.6%E39–54
8.6%F21–38
2.8%G1–20
0.7%NN12 is 2.5 points better than the national average (D, 68.5/100).
71
NN12
68.5
National average
86
Potential (with improvements)
Rating Distribution
A
1022.1%
B1,702
35.0%
C1,323
27.2%
D1,146
23.6%
E418
8.6%
F
1372.8%
G
320.7%
Average Annual Energy Costs
| Cost Type | NN12 | National Avg | Difference |
|---|---|---|---|
| Heating | £852/yr | £782/yr | ▲ £70 |
| Hot water | £182/yr | £184/yr | ▼ £2 |
| Lighting | £107/yr | £95/yr | ▲ £12 |
| Total | £1,140/yr | £1,061/yr | ▲ £79 |
Property Types
House
3,95181.3%
Flat
4519.3%
Bungalow
4359.0%
Maisonette
230.5%
Main Heating Fuel
Mains gas
3,60774.4%
Electric
72314.9%
Oil
4409.1%
LPG
481.0%
Other
300.6%
CO₂ Emissions
3.6 tonnes/yr
Current average
1.8 tonnes/yr
Potential (with improvements)
Average floor area: 104 m²
Construction Age
Pre-1900
476
1900–1929
114
1930–1949
208
1950–1966
438
1967–1975
438
1976–1982
293
1983–1990
351
1991–1995
148
1996–2002
263
2003–2006
126
2007–2011
132
2012+
1,479
Efficiency Trend Over Time
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The postcode area NN12 has 4,860 Energy Performance Certificates on record, covering 4,638 properties. The average EPC rating is C with an efficiency score of 71 out of 100. Annual energy costs average £1,140, comprising £852 for heating, £182 for hot water and £107 for lighting. Average CO₂ emissions are 3.6 tonnes per year, with the potential to reduce to 1.8 tonnes through energy efficiency improvements.