What is the typical EPC rating in Merthyr Tydfil?

The median domestic EPC band in Merthyr Tydfil is D (SAP 55-68). The single most common band is D at 41.2% of rated certificates. Based on 32,352 EPCs lodged cumulatively to 2026-03-31 (MHCLG EPB live tables, Table D1).

How many homes in Merthyr Tydfil are rated EPC C or better?

42.2% of rated domestic EPCs in Merthyr Tydfil are band C or better (A+B+C), the threshold the UK government uses for its "EPC C by 2035" ambition. That compares with 44.9% across England. 16.5% are rated E or worse (E, F or G).

What does each EPC band mean?

EPC bands run A to G by SAP energy-efficiency score: A = 92-100, B = 81-91, C = 69-80, D = 55-68, E = 39-54, F = 21-38, G = 1-20. A is the most energy-efficient (lowest running costs and carbon); G is the least. Privately rented homes in England and Wales must currently be at least band E to be let lawfully.

Where does this EPC data for Merthyr Tydfil come from?

From the Ministry of Housing, Communities & Local Government (MHCLG) "Live tables on Energy Performance of Buildings Certificates", Table D1 (domestic properties by energy efficiency rating), cumulative to 2026-03-31. These are counts of certificates lodged on the EPB Register, not unique dwellings — a home re-sold or re-let since 2008 can hold several EPCs. Open Government Licence v3.0, (c) Crown copyright.

EPC energy-efficiency ratings in Merthyr Tydfil

local authority · ONS code W06000024

How energy-efficient are homes in Merthyr Tydfil by EPC rating?

Across 32,352 domestic Energy Performance Certificates lodged in Merthyr Tydfil (cumulative to 2026-03-31), 42.2% are rated EPC C or better (rank 211 of 348 local authorities by share rated C or better) and 16.5% are rated E or worse. The median domestic EPC band is D (SAP 55-68). Source: MHCLG EPB live tables (Table D1), Open Government Licence v3.0.

Official statistics · MHCLG EPB live tables (Table D1)·As of 2026-03-31 · updated quarterly (each new MHCLG EPB release) (last: 2026-03-31)

42.2%C or better

Homes rated EPC C or better — Merthyr Tydfil

Rank 211 of 348 local authorities · 2.7 points below the England average of 44.9%

Median band D (SAP 55-68)

EPC band distribution — Merthyr Tydfil

Domestic EPC band distribution for Merthyr Tydfil
Band	SAP	Share	Certificates
A	92-100	0.6%	202
B	81-91	5.6%	1,822
C	69-80	36.0%	11,653
Dmedian	55-68	41.2%	13,334
E	39-54	13.2%	4,269
F	21-38	2.5%	799
G	1-20	0.8%	273
Total rated certificates			32,352

Percentages are of rated (A-G) certificates; “Not Recorded” certificates (0) are excluded from the percentage denominator. Counts are of certificates lodged, not unique dwellings. Source: MHCLG EPB live tables (Table D1), cumulative to 2026-03-31.

Key figures — Merthyr Tydfil

Key EPC figures for Merthyr Tydfil
Metric	Value	Source
Median EPC band	D	MHCLG (derived from counts)
Rated EPC C or better (A+B+C)	42.2%	GeraRent (from band %)
Rated EPC E or worse (E+F+G)	16.5%	GeraRent (from band %)
Total domestic EPCs lodged	32,352	MHCLG EPB live tables
National rank (C or better)	211 of 348	GeraRent (ranking)

EPC running-cost comparison

Model the indicative running-cost gap between EPC bands for a Merthyr Tydfil home, and save areas to compare side by side.

Pick two EPC bands to see the indicative annual running-cost gap for a mid-size home, and save areas to your personal comparison list. Cost figures are illustrative, derived from SAP band running-cost ranges — not a bill estimate.

From bandTo band

−£420/yr

Indicative running-cost saving moving an EPC band D home to band C

Merthyr Tydfil EPC ratings — questions and answers

What is the typical EPC rating in Merthyr Tydfil?: The median domestic EPC band in Merthyr Tydfil is D (SAP 55-68). The single most common band is D at 41.2% of rated certificates. Based on 32,352 EPCs lodged cumulatively to 2026-03-31 (MHCLG EPB live tables, Table D1).
How many homes in Merthyr Tydfil are rated EPC C or better?: 42.2% of rated domestic EPCs in Merthyr Tydfil are band C or better (A+B+C), the threshold the UK government uses for its "EPC C by 2035" ambition. That compares with 44.9% across England. 16.5% are rated E or worse (E, F or G).
What does each EPC band mean?: EPC bands run A to G by SAP energy-efficiency score: A = 92-100, B = 81-91, C = 69-80, D = 55-68, E = 39-54, F = 21-38, G = 1-20. A is the most energy-efficient (lowest running costs and carbon); G is the least. Privately rented homes in England and Wales must currently be at least band E to be let lawfully.
Where does this EPC data for Merthyr Tydfil come from?: From the Ministry of Housing, Communities & Local Government (MHCLG) "Live tables on Energy Performance of Buildings Certificates", Table D1 (domestic properties by energy efficiency rating), cumulative to 2026-03-31. These are counts of certificates lodged on the EPB Register, not unique dwellings — a home re-sold or re-let since 2008 can hold several EPCs. Open Government Licence v3.0, (c) Crown copyright.

Local authorities with similar EPC profiles

See the full EPC energy-efficiency ranking by area, or explore council tax by area and house prices by area.

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Source: Energy Performance of Buildings Certificates — Live tables (Table D1, Domestic properties by energy efficiency rating), Ministry of Housing, Communities & Local Government (MHCLG). Contains public sector information licensed under the Open Government Licence v3.0. (c) Crown copyright. Open Government Licence v3.0. Cumulative to 2026-03-31 (Cumulative, all domestic EPCs lodged Q4 2008 to 2026 Q1 (to 31 March 2026)). Figures are counts of certificates lodged, not unique dwellings; a home re-sold or re-let since 2008 can hold several EPCs. The “share rated C or better” and the national ranking are derived by GeraRent from the official band percentages.