EPC Ratings in DN21

Postcode area DN21 — 8,613 Energy Performance Certificates on record

Certificates

Properties

C (69)

Average Rating

£1,088

Avg Energy Cost/yr

EPC Rating

A92+

1.8%

B81–91

15.8%

C69–80

40.1%

D55–68

30.4%

E39–54

9.2%

F21–38

2.0%

G1–20

0.6%

DN21 is 0.5 points better than the national average (D, 68.5/100).

DN21

68.5

National average

Potential (with improvements)

Rating Distribution

1561.8%

15.8%

1,359

40.1%

3,456

30.4%

2,621

9.2%

796

1752.0%

500.6%

Average Annual Energy Costs

Cost Type	DN21	National Avg	Difference
Heating	£822/yr	£782/yr	▲ £40
Hot water	£168/yr	£184/yr	▼ £16
Lighting	£98/yr	£95/yr	▲ £3
Total	£1,088/yr	£1,061/yr	▲ £27

Property Types

House

6,54476.0%

Flat

1,07512.5%

Bungalow

94010.9%

Maisonette

540.6%

Main Heating Fuel

Mains gas

6,89880.8%

Electric

91310.7%

Oil

5596.5%

Other

961.1%

LPG

750.9%

CO₂ Emissions

3.5 tonnes/yr

Current average

1.8 tonnes/yr

Potential (with improvements)

Average floor area: 91 m²

Construction Age

Pre-1900

536

1900–1929

1,355

1930–1949

504

1950–1966

1,455

1967–1975

974

1976–1982

344

1983–1990

322

1991–1995

212

1996–2002

318

2003–2006

607

2007–2011

439

2012+

1,327

Efficiency Trend Over Time

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The postcode area DN21 has 8,613 Energy Performance Certificates on record, covering 8,049 properties. The average EPC rating is C with an efficiency score of 69 out of 100. Annual energy costs average £1,088, comprising £822 for heating, £168 for hot water and £98 for lighting. Average CO₂ emissions are 3.5 tonnes per year, with the potential to reduce to 1.8 tonnes through energy efficiency improvements.