EPC Ratings in NN18
Postcode area NN18 — 4,815 Energy Performance Certificates on record
5K
Certificates
5K
Properties
C (72)
Average Rating
£931
Avg Energy Cost/yr
EPC Rating
A92+
0.3%B81–91
10.9%C69–80
62.1%72
D55–68
23.9%E39–54
2.5%F21–38
0.2%G1–20
0.0%NN18 is 3.5 points better than the national average (D, 68.5/100).
72
NN18
68.5
National average
84
Potential (with improvements)
Rating Distribution
A
150.3%
B527
10.9%
C2,991
62.1%
D1,151
23.9%
E
1202.5%
F
100.2%
G
10.0%
Average Annual Energy Costs
| Cost Type | NN18 | National Avg | Difference |
|---|---|---|---|
| Heating | £674/yr | £782/yr | ▼ £108 |
| Hot water | £159/yr | £184/yr | ▼ £25 |
| Lighting | £97/yr | £95/yr | ▲ £2 |
| Total | £931/yr | £1,061/yr | ▼ £130 |
Property Types
House
3,73177.5%
Flat
77616.1%
Bungalow
2194.5%
Maisonette
891.8%
Main Heating Fuel
Mains gas
4,52093.9%
Electric
2615.4%
Other
150.3%
Oil
120.2%
LPG
70.1%
CO₂ Emissions
2.9 tonnes/yr
Current average
1.7 tonnes/yr
Potential (with improvements)
Average floor area: 85 m²
Construction Age
Pre-1900
9
1900–1929
17
1930–1949
30
1950–1966
1,105
1967–1975
896
1976–1982
244
1983–1990
165
1991–1995
173
1996–2002
259
2003–2006
584
2007–2011
769
2012+
386
Efficiency Trend Over Time
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The postcode area NN18 has 4,815 Energy Performance Certificates on record, covering 4,669 properties. The average EPC rating is C with an efficiency score of 72 out of 100. Annual energy costs average £931, comprising £674 for heating, £159 for hot water and £97 for lighting. Average CO₂ emissions are 2.9 tonnes per year, with the potential to reduce to 1.7 tonnes through energy efficiency improvements.