Which ward in Merthyr Tydfil has the highest planning approval rate?

GURNOS at 95.3% based on 43 decisions.

Which ward in Merthyr Tydfil has the lowest planning approval rate?

PENYDARREN at 82.4% based on 51 decisions.

How much do planning approval rates vary across Merthyr Tydfil?

There is a 12.9% gap between GURNOS and PENYDARREN. Your postcode significantly affects outcomes.

Planning Approval Rates by Ward in Merthyr Tydfil

Planning outcomes in Merthyr Tydfil are highly localised. The gap between the most and least permissive wards is 12.9% — that's not noise, it's a fundamentally different planning environment depending on where you live.

819 real decisions·11 wards·Updated September 2026

88.6% approved overall. But 93 applications refused since 2020. Where you live in Merthyr Tydfil shifts your odds by up to 12.9%. The council average doesn't tell you which side of that gap you're on.

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All 11 wards ranked

#	Ward	Decisions	Approved	Refused	Rate
1	GURNOS	43	41	2	95.3%
2	VAYNOR	88	82	6	93.2%
3	PARK	127	118	9	92.9%
4	PLYMOUTH	136	126	10	92.6%
5	CYFARTHFA	130	120	10	92.3%
6	TOWN	229	211	18	92.1%
7	TREHARRIS	134	123	11	91.8%
8	DOWLAIS	143	129	14	90.2%
9	MERTHYR VALE	64	54	10	84.4%
10	BEDLINOG	62	52	10	83.9%
11	PENYDARREN	51	42	9	82.4%

See how this applies to your postcode →

These are council averages. Your property is specific.

An extension might sail through in GURNOS but face serious resistance in PENYDARREN.
Check your postcode to see what actually happens near your address.

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What the data tells us

A 12.9% gap separates the best and worst wards. GURNOS approves 95.3% of applications while PENYDARREN approves just 82.4%. That's a fundamentally different planning environment.

High volume doesn't mean high approval. Some of the busiest wards aren't the most permissive. The number of applications a ward processes tells you nothing about how likely yours is to succeed.

Ward averages are a starting point, not a guarantee. Your specific outcome depends on your property, your neighbours, your proposal type and the comparable decisions near your address.

Before you spend £5,000+ on architects and drawings

93 planning applications in Merthyr Tydfil have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A free, property-specific report shows you what gets approved — and what gets refused — near your property.

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More Merthyr Tydfil planning data

Methodology: Covers 819 planning decisions in Merthyr Tydfil, January 2020 to September 2026. Approval rate = approved / (approved + refused). Pending, withdrawn and invalid excluded. Ward boundaries reflect current electoral divisions. Data from Merthyr Tydfil Council's public planning portal. Full methodology →