EPC Ratings in NP23
Postcode area NP23 — 4,188 Energy Performance Certificates on record
4K
Certificates
4K
Properties
C (70)
Average Rating
£1,120
Avg Energy Cost/yr
EPC Rating
A92+
4.3%B81–91
10.8%C69–80
41.2%70
D55–68
37.2%E39–54
5.5%F21–38
0.6%G1–20
0.5%NP23 is 1.5 points better than the national average (D, 68.5/100).
70
NP23
68.5
National average
84
Potential (with improvements)
Rating Distribution
A
1784.3%
B454
10.8%
C1,727
41.2%
D1,556
37.2%
E
2305.5%
F
240.6%
G
190.5%
Average Annual Energy Costs
| Cost Type | NP23 | National Avg | Difference |
|---|---|---|---|
| Heating | £862/yr | £782/yr | ▲ £80 |
| Hot water | £159/yr | £184/yr | ▼ £25 |
| Lighting | £98/yr | £95/yr | ▲ £3 |
| Total | £1,120/yr | £1,061/yr | ▲ £59 |
Property Types
House
3,28278.4%
Flat
67916.2%
Bungalow
1924.6%
Maisonette
350.8%
Main Heating Fuel
Mains gas
3,97394.9%
Electric
1774.2%
Other
300.7%
LPG
50.1%
Oil
30.1%
CO₂ Emissions
3.6 tonnes/yr
Current average
1.9 tonnes/yr
Potential (with improvements)
Average floor area: 85 m²
Construction Age
Pre-1900
496
1900–1929
1,081
1930–1949
227
1950–1966
667
1967–1975
393
1976–1982
123
1983–1990
158
1991–1995
107
1996–2002
148
2003–2006
80
2007–2011
104
2012+
448
Efficiency Trend Over Time
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The postcode area NP23 has 4,188 Energy Performance Certificates on record, covering 4,054 properties. The average EPC rating is C with an efficiency score of 70 out of 100. Annual energy costs average £1,120, comprising £862 for heating, £159 for hot water and £98 for lighting. Average CO₂ emissions are 3.6 tonnes per year, with the potential to reduce to 1.9 tonnes through energy efficiency improvements.