EPC Ratings in NN4
Postcode area NN4 — 7,540 Energy Performance Certificates on record
8K
Certificates
7K
Properties
C (73)
Average Rating
£936
Avg Energy Cost/yr
EPC Rating
A92+
1.6%B81–91
22.0%C69–80
49.9%73
D55–68
23.3%E39–54
2.8%F21–38
0.3%G1–20
0.1%NN4 is 4.5 points better than the national average (D, 68.5/100).
73
NN4
68.5
National average
85
Potential (with improvements)
Rating Distribution
A
1181.6%
B1,656
22.0%
C3,766
49.9%
D1,760
23.3%
E
2092.8%
F
200.3%
G
110.1%
Average Annual Energy Costs
| Cost Type | NN4 | National Avg | Difference |
|---|---|---|---|
| Heating | £675/yr | £782/yr | ▼ £107 |
| Hot water | £165/yr | £184/yr | ▼ £19 |
| Lighting | £96/yr | £95/yr | ▲ £1 |
| Total | £936/yr | £1,061/yr | ▼ £125 |
Property Types
House
5,77876.6%
Flat
1,22716.3%
Bungalow
4475.9%
Maisonette
881.2%
Main Heating Fuel
Mains gas
6,94092.0%
Electric
5827.7%
Other
80.1%
Oil
60.1%
LPG
40.1%
CO₂ Emissions
2.9 tonnes/yr
Current average
1.6 tonnes/yr
Potential (with improvements)
Average floor area: 90 m²
Construction Age
Pre-1900
167
1900–1929
339
1930–1949
431
1950–1966
350
1967–1975
387
1976–1982
466
1983–1990
1,191
1991–1995
623
1996–2002
1,148
2003–2006
700
2007–2011
203
2012+
1,268
Efficiency Trend Over Time
Search Another Postcode
The postcode area NN4 has 7,540 Energy Performance Certificates on record, covering 7,393 properties. The average EPC rating is C with an efficiency score of 73 out of 100. Annual energy costs average £936, comprising £675 for heating, £165 for hot water and £96 for lighting. Average CO₂ emissions are 2.9 tonnes per year, with the potential to reduce to 1.6 tonnes through energy efficiency improvements.