EPC Ratings in NN11

Postcode area NN11 — 6,712 Energy Performance Certificates on record

Certificates

Properties

C (69)

Average Rating

£1,115

Avg Energy Cost/yr

EPC Rating

A92+

2.4%

B81–91

16.6%

C69–80

40.4%

D55–68

27.6%

E39–54

10.3%

F21–38

2.3%

G1–20

0.5%

NN11 is 0.5 points better than the national average (D, 68.5/100).

NN11

68.5

National average

Potential (with improvements)

Rating Distribution

1632.4%

16.6%

1,112

40.4%

2,709

27.6%

1,851

10.3%

692

1542.3%

310.5%

Average Annual Energy Costs

Cost Type	NN11	National Avg	Difference
Heating	£823/yr	£782/yr	▲ £41
Hot water	£195/yr	£184/yr	▲ £11
Lighting	£96/yr	£95/yr	▲ £1
Total	£1,115/yr	£1,061/yr	▲ £54

Property Types

House

4,95073.7%

Flat

97914.6%

Bungalow

6679.9%

Maisonette

1161.7%

Main Heating Fuel

Mains gas

4,80771.7%

Electric

1,25918.8%

Oil

5508.2%

LPG

600.9%

Other

330.5%

CO₂ Emissions

3.5 tonnes/yr

Current average

1.9 tonnes/yr

Potential (with improvements)

Average floor area: 90 m²

Construction Age

Pre-1900

439

1900–1929

207

1930–1949

344

1950–1966

738

1967–1975

1,185

1976–1982

416

1983–1990

481

1991–1995

527

1996–2002

555

2003–2006

359

2007–2011

187

2012+

1,061

Efficiency Trend Over Time

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The postcode area NN11 has 6,712 Energy Performance Certificates on record, covering 6,371 properties. The average EPC rating is C with an efficiency score of 69 out of 100. Annual energy costs average £1,115, comprising £823 for heating, £195 for hot water and £96 for lighting. Average CO₂ emissions are 3.5 tonnes per year, with the potential to reduce to 1.9 tonnes through energy efficiency improvements.