Wales · Local authority

Merthyr Tydfil County Borough Council
Planning applications.

Explore collected planning applications and decisions for Merthyr Tydfil County Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
2,597Searchable applications
0Recorded as pending
92%Approval rate · 2,333 approved or refused records
181Refused applications

2,152 approved · 181 refused · 98 withdrawn. Most recent record check: 12 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas8 mapped area records
Article 4 direction areasBoundary dataset not connected

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Source: Welsh Government / DataMapWales. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Not publishedP/23/0206

    Proposed First Floor rear extension above existing single storey extension

    41 Webster Street Treharris CF46 5HP

    Received Not published
  2. Not publishedP/23/0179

    Conversion of garage to a study and store

    38 Dan-y-parc View Incline Top Merthyr Tydfil CF47 0GF

    Received Not published
  3. Not publishedP/23/0188

    Erection of a stable block

    Land To The South Of Cilhaul And To The West Of Evan Street Treharris

    Received Not published
  4. Not publishedP/23/0199

    Erect standalone air source heat pump to the rear of the property

    25 Williamstown Merthyr Tydfil CF47 8PD

    Received Not published
  5. Not publishedP/23/0180

    Extension to an agricultural building

    Meadowsweet Farm High Street Trelewis Treharris CF46 6TB

    Received Not published
  6. Not publishedP/23/0186

    Change of use from offices to educational tutoring facility

    Unit 5 Triangle Business Park Pentrebach Merthyr Tydfil CF48 4TQ

    Received Not published
  7. Not publishedP/23/0181

    Single storey rear extension

    49 First Avenue Galon Uchaf Merthyr Tydfil CF47 9UG

    Received Not published
  8. Not publishedP/23/0183

    Discharge of condition 4 (Materials) of planning permission P/21/0421

    Land At Walnut Way Gurnos Merthyr Tydfil

    Received Not published
  9. Not publishedP/23/0184

    New front bay window

    60 High Street Bedlinog Treharris CF46 6TR

    Received Not published
  10. Not publishedP/23/0185

    Replacement of internal lighting to new LED energy efficient lighting

    69 High Street Merthyr Tydfil CF47 8AD

    Received Not published
  11. Not publishedP/23/0190

    Erect 4 adverts on the existing roundabout

    Roundabout Below OP Chocolate Factory High Street Dowlais Merthyr Tydfil

    Received Not published
  12. Not publishedP/23/0195

    Two storey and single storey rear extensions, raised decking and 2 no. car parking bays

    4 & 5 Old Dan Y Deri Merthyr Vale CF48 4SQ

    Received Not published
  13. Not publishedP/23/0192

    Retention of existing boundary walls and ground profile

    Ty Emmia Penheolferthyr Twynyrodyn Merthyr Tydfil CF47 0LH

    Received Not published
  14. Not publishedP/23/0193

    Demolish row of garages (6 no.) and provide parking bays with enclosure

    Row Of Garages At Pine Close Gurnos Merthyr Tydfil

    Received Not published
  15. Not publishedP/23/0197

    Proposed residential development (42 dwellings) with new access

    Land Adjoining (South Of) Swansea Road To The East Of Waunbant Court And North West Of Old Winchfawr Road Swansea Road Merthyr Tydfil

    Received Not published
  16. Not publishedP/23/0187

    Outline planning permission for 5 detached dwellings

    The Farm Shop Gelligaer Road Trelewis Treharris CF46 6DN

    Received Not published
  17. Not publishedP/23/0191

    Discharge of conditions 11 (Construction Environment Plan) and 17 (Knotweed Management Plan) of planning permission P/23/0053 relating to a residential development

    Dragon Park Abercanaid Merthyr Tydfil

    Received Not published
  18. Not publishedP/23/0194

    Non material amendment to planning permission P/22/0019 to Create decking area on part of parking area

    Land Opposite Nos 6 & 7 Graig Terrace Bedlinog Treharris

    Received Not published
  19. Not publishedP/23/0196

    Proposed redevelopment to create 30 No. (1 and 2 bedroom) self contained apartments

    Former Merthyr Tydfil General Hospital High Street Merthyr Tydfil

    Received Not published
  20. Not publishedP/23/0200

    Construction of footpaths within existing public open space

    Land To The North West Of Glasier Road And To The South Of Taff Glen View And Primrose Hill, Twynyrodyn

    Received Not published
  21. Not publishedP/23/0198

    Change of use from offices to 4 no. flats, with external alterations

    Former Offices Off Williams Terrace Treharris CF46 5HH

    Received Not published
  22. Not publishedP/23/0212

    Change of use of ground floor to basement flat with alterations to roof and fenestration

    3 - 4 Vulcan Buildings Brecon Road Merthyr Tydfil CF47 8NH

    Received Not published
  23. Not publishedP/23/0205

    Non-material amendments to planning permission P/22/0290 to alter material finishes of elevations and roof, narrow deck access (to include railings underneath),raise cill heights of windows LGW8 and LGW10, and change canopy design above door XD3.

    Llysfaen Care Home Maesygarreg Cefn Coed Merthyr Tydfil CF48 2NE

    Received Not published
  24. Not publishedP/23/0201

    Non material amendment to planning permission P/23/0109 to insert doors in front and rear elevations

    Llyswen Mount View Mountain Hare Merthyr Tydfil CF47 0UX

    Received Not published

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Researching a proposal in Merthyr Tydfil County Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

Planning procedures in Wales differ from those in England. Use the authority’s own guidance for application requirements, comments and decision timescales.

How to search planning applications

Guides to planning records

All planning guides
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

What these statistics cover

These figures describe applications collected by PlanningTrack for Merthyr Tydfil County Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage