What is the average EPC rating in Merthyr Tydfil?

The analysed certificates in Merthyr Tydfil have an average EPC rating of C, with an average efficiency score of 69 out of 100.

How many properties does the Merthyr Tydfil analysis represent?

The 2020–2025 analysis contains 9,773 certificates linked to 9,264 distinct property references. A property may have more than one certificate.

Can EPCScore show the certificate for a specific home in Merthyr Tydfil?

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

Merthyr Tydfil EPC ratings and energy costs

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

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Average EPC

C 69

0.5 points above analysed national average

Rated C or above

57.5%

of analysed certificates

Potential uplift

+15

average score points

Properties represented

from 10K certificates

At a glance

What the data says about Merthyr Tydfil

57.5%

rated A–C

6.5%

rated E–G

£1,074

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

32,937

domestic EPC lodgements since 2008

42.9%

rated C or above

16.3%

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

£148,214

Annual change

-0.6%

Context

Official UK HPI local-authority average

detached£252,643

semi-detached£159,678

terraced£126,833

flat£65,986

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 Merthyr Tydfil

A92+

1.7%

B81–91

5.7%

C69–80

50.1%

D55–68

36.0%

E39–54

5.2%

F21–38

0.7%

G1–20

0.6%

EPC band distribution in Merthyr Tydfil

1701.7%

5575.7%

50.1%

4,897

36.0%

3,514

5135.2%

680.7%

540.6%

Certificate-estimated energy costs

Cost Type	Merthyr Tydfil	National Avg	Difference
Heating	£832/yr	£782/yr	▲ £50
Hot water	£150/yr	£184/yr	▼ £34
Lighting	£92/yr	£95/yr	▼ £3
Total	£1,074/yr	£1,061/yr	▲ £13

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

8,14183.3%

Flat

98910.1%

Bungalow

5785.9%

Maisonette

650.7%

Main heating fuel

Mains gas

9,38896.2%

Electric

2502.6%

Other

600.6%

Oil

420.4%

LPG

220.2%

Carbon emissions and improvement potential

3.5 t

current annual CO₂ estimate

1.8 t

potential annual estimate

82 m²

average floor area

When the represented homes were built

Pre-1900

11%

1900–1929

26%

1930–1949

1950–1966

15%

1967–1975

19%

1976–1982

1983–1990

1991–1995

1996–2002

2003–2006

2007–2011

2012+

Average EPC score over time

2020: 67
2021: 68
2022: 69
2023: 68
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.