Council hub · Wales
Merthyr Tydfil planning applications
316 applications. 90% approved. 45 days to decide.
As of July 2026, PlanIndex holds 316 planning applications from Merthyr Tydfil. 208 were decided in the trailing 12 months, with 90% of clear-cut outcomes approved.
Latest applications
Data to July 2026
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P/26/0169 Granted
4 Bryntirion Street Dowlais Merthyr Tydfil CF48 3RY
Discharge of condition 3 (Ecological enhancement) of planning permission P/26/0112
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P/26/0167 Status unknown
18 Anthony Hill Court Pentrebach Merthyr Tydfil CF48 4AZ
First floor side extension with other alterations
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P/26/0164 Status unknown
Bishop Hedley High School Gwaunfarren Road Penydarren Merthyr Tydfil CF47 9AN
Discharge of Condtions 7 and 11 of permission P/23/0131 - Contamination validation
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P/26/0166 Status unknown
31 Rocky Road Penydarren Merthyr Tydfil CF47 9JL
Non material amendment to planning permission P/25/0326 to extend platform to the front of dwelling and extension and replace front window with double doors
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P/26/0168 Status unknown
2 Parc Wenallt Treharris CF46 5HX
Discharge condition 3 (planting scheme) of planning permission P/26/0024
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P/26/0165 Status unknown
Bishop Hedley High School Gwaunfarren Road Penydarren Merthyr Tydfil CF47 9AN
Non Material Amendment to Planning Permission P/23/0131
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P/26/0162 Status unknown
20 Williams Terrace Treharris CF46 5HH
First floor rear extension
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P/26/0163 Status unknown
15 & 16 Briarmead Penydarren Merthyr Tydfil CF47 9BZ
Routine maintenance to 2 no. lime trees involving pollarding of the trees
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P/26/0161 Status unknown
Cefn Fforest Farm Twynygarreg Treharris CF46 5RN
Lawful Development Certificate for proposed assorted extensions and works
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P/26/0160 Status unknown
Cefn Fforest Farm Twynygarreg Treharris CF46 5RN
Prior Notification for demolition works
Recent decisions
Data to July 2026
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P/25/0245 Granted
Land At Springfield Rise Treharris
Discharge of conditions 3 (Material Finishes) and condition 4 (Retaining Works) of planning permission P/22/0298 relating to a residential scheme.
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P/26/0120 Granted
Trinity Chapel Wesley Place Merthyr Vale Merthyr Tydfil CF48 4RS
Change of use from an artists studio (Use Class B1) to a residential flat (Use Class C3)
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P/26/0169 Granted
4 Bryntirion Street Dowlais Merthyr Tydfil CF48 3RY
Discharge of condition 3 (Ecological enhancement) of planning permission P/26/0112
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P/26/0124 Granted
62 Brecon Rise Pant Merthyr Tydfil CF48 2EE
First floor rear extension
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P/26/0132 Granted
Cotham Heol-y-mynydd Cefn Coed Merthyr Tydfil CF48 2NQ
Lawful Development Certificate for a proposed single storey rear extension
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P/26/0150 Granted
45 Taldwyn Terrace Merthyr Road Troedyrhiw Merthyr Tydfil CF48 4JL
Rear dormer roof extension (lawful development certificate)
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P/26/0098 Granted
25 Heather Court Quakers Yard Treharris CF46 5RP
Erection of single storey extension
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P/26/0096 Granted
61 High Street Merthyr Tydfil CF47 8DE
Change of use from shop to pilates studio/health suite/shop and replacement shop front
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P/26/0135 Granted
47 Maen Gilfach Trelewis Treharris CF46 6BG
Erection of rear boundary fences and sauna
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P/25/0313 Granted
Old Saw Mill Court Street Merthyr Tydfil CF47 8DU
Two non-illuminated advertising boards
Decision speed
12 months to July 2026, where both dates are published
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Within 8 weeks the statutory target for most applications 151 73%
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8 to 13 weeks the target band for major development 25 12%
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Over 13 weeks often extended by agreement 32 15%
Common questions
How many planning applications does Merthyr Tydfil decide?
In the 12 months to July 2026, Merthyr Tydfil decided 208 planning applications. 90% of clear-cut outcomes were approvals.
How long does a planning decision take in Merthyr Tydfil?
The median time from a planning application being received to a decision was 45 days over the 12 months to July 2026. Individual cases vary with complexity and consultation responses.
How many Merthyr Tydfil decisions arrive within the eight week target?
Of the 208 decisions in the 12 months to July 2026 where both dates are published, 73% came within eight weeks of the application being received, and 85% within thirteen weeks.
When is planning activity busiest in Merthyr Tydfil?
November 2025 was the busiest month across the 12 months to July 2026, with 40 applications recorded. The monthly pattern is listed on this page.
How do I find a planning application by its reference number?
Every application indexed here has its own page at a stable address. Look the reference up in a search engine together with the council name, or browse the latest applications below. Each page shows the description, address, dates and decision as the council published them.
Cite these figures
Merthyr Tydfil: 316 planning applications on record as of July 2026. Trailing 12 months: 208 decided, 90% approved, median 45 days to a decision. 316 new applications received in the same period. Source: PlanIndex, planindex.co.uk.