EPC Ratings in SN15

Postcode area SN15 — 7,042 Energy Performance Certificates on record

Certificates

Properties

C (69)

Average Rating

£1,076

Avg Energy Cost/yr

EPC Rating

A92+

1.1%

B81–91

19.3%

C69–80

32.7%

D55–68

34.5%

E39–54

9.9%

F21–38

2.0%

G1–20

0.5%

SN15 is 0.5 points better than the national average (D, 68.5/100).

SN15

68.5

National average

Potential (with improvements)

Rating Distribution

801.1%

19.3%

1,359

32.7%

2,301

34.5%

2,429

9.9%

696

1392.0%

380.5%

Average Annual Energy Costs

Cost Type	SN15	National Avg	Difference
Heating	£790/yr	£782/yr	▲ £8
Hot water	£189/yr	£184/yr	▲ £5
Lighting	£97/yr	£95/yr	▲ £2
Total	£1,076/yr	£1,061/yr	▲ £15

Property Types

House

5,16273.3%

Flat

1,17216.6%

Bungalow

5858.3%

Maisonette

1071.5%

Park home

160.2%

Main Heating Fuel

Mains gas

4,69067.2%

Electric

1,42720.5%

Oil

69910.0%

LPG

1271.8%

Other

330.5%

CO₂ Emissions

3.5 tonnes/yr

Current average

1.8 tonnes/yr

Potential (with improvements)

Average floor area: 93 m²

Construction Age

Pre-1900

620

1900–1929

290

1930–1949

381

1950–1966

1,495

1967–1975

430

1976–1982

281

1983–1990

781

1991–1995

404

1996–2002

282

2003–2006

204

2007–2011

355

2012+

1,256

Efficiency Trend Over Time

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The postcode area SN15 has 7,042 Energy Performance Certificates on record, covering 6,621 properties. The average EPC rating is C with an efficiency score of 69 out of 100. Annual energy costs average £1,076, comprising £790 for heating, £189 for hot water and £97 for lighting. Average CO₂ emissions are 3.5 tonnes per year, with the potential to reduce to 1.8 tonnes through energy efficiency improvements.