What is the average EPC rating in Caerphilly?

The analysed certificates in Caerphilly have an average EPC rating of D, with an average efficiency score of 68 out of 100.

How many properties does the Caerphilly analysis represent?

The 2020–2025 analysis contains 26,019 certificates linked to 25,043 distinct property references. A property may have more than one certificate.

Can EPCScore show the certificate for a specific home in Caerphilly?

No. EPCScore publishes aggregated area statistics. Use the official GOV.UK Energy Performance of Buildings Register to find an individual certificate.

Local authority energy-performance profile

Caerphilly EPC ratings and energy costs

Understand how homes in Caerphilly score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

Compare with another area →

Average EPC

D 68

0.5 points below analysed national average

Rated C or above

56.2%

of analysed certificates

Potential uplift

+15

average score points

Properties represented

25K

from 26K certificates

At a glance

What the data says about Caerphilly

56.2%

rated A–C

7.5%

rated E–G

£1,034

certificate-estimated annual cost

Cost figures are averages of estimates recorded on EPCs at different dates. They are useful for comparing areas, but they are not a forecast of a current household bill.

Latest official local-authority table

Updated through 30 June 2026

77,189

domestic EPC lodgements since 2008

42.5%

rated C or above

17.6%

rated E, F or G

The current MHCLG live table counts certificate lodgements, not unique homes. It complements the more detailed 2020–2025 EPCScore analysis below.

Housing market context — May 2026

Average property price

£198,809

Annual change

+9.2%

Context

Official UK HPI local-authority average

detached£316,817

semi-detached£203,367

terraced£168,887

flat£107,479

UK HPI figures are provisional and can be revised. They describe the whole local housing market; EPCScore does not infer that EPC ratings caused local price levels or changes. View the official UK HPI ↗

Average EPC score in Caerphilly

A92+

1.8%

B81–91

7.8%

C69–80

46.6%

D55–68

36.3%

E39–54

6.2%

F21–38

0.9%

G1–20

0.3%

EPC band distribution in Caerphilly

4761.8%

2,0407.8%

46.6%

12,117

36.3%

9,433

1,6236.2%

2410.9%

890.3%

Certificate-estimated energy costs

Cost Type	Caerphilly	National Avg	Difference
Heating	£795/yr	£782/yr	▲ £13
Hot water	£146/yr	£184/yr	▼ £38
Lighting	£93/yr	£95/yr	▼ £2
Total	£1,034/yr	£1,061/yr	▼ £27

These values come from certificate assessments and reflect standardised occupancy assumptions and energy prices used when each EPC was produced. They are not live tariffs.

Property types in the dataset

House

19,88876.4%

Flat

3,77814.5%

Bungalow

2,0938.0%

Maisonette

2591.0%

Park home

10.0%

Main heating fuel

Mains gas

24,64394.8%

Electric

9243.6%

Other

1880.7%

LPG

1270.5%

Oil

1200.5%

Carbon emissions and improvement potential

3.5 t

current annual CO₂ estimate

1.8 t

potential annual estimate

83 m²

average floor area

When the represented homes were built

Pre-1900

1900–1929

24%

1930–1949

1950–1966

16%

1967–1975

18%

1976–1982

1983–1990

1991–1995

1996–2002

2003–2006

2007–2011

2012+

Average EPC score over time

2020: 68
2021: 66
2022: 68
2023: 69
2024: 70
2025: 71

What to do next

Find one property's EPC ↗

Use the official register for an address-level certificate.

Plan sensible improvements →

Read recommendations in the right order before spending.

Compare another area →

Put two postcode districts side by side.

Check the methodology →

Understand coverage, dates and limitations.