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
2,876Searchable applications
0Recorded as pending
92%Approval rate · 2,589 approved or refused records
208Refused applications

2,381 approved · 208 refused · 110 withdrawn. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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/26/0155

    Change of Use of a building used for the storage of waste, plant and equipment to a renewable energy facility, including the construction of flue and ancillary works

    Plots 5 Pengarnddu Industrial Estate Dowlais Merthyr Tydfil CF48 2TA

    Received Not published
  2. Not publishedP/26/0152

    Discharge of conditions 6 (Landscaping), 18 (retaining walls) and part discharge of condition 19 (boundary treatments) of planning permission P/25/0265

    Station House Rhymney Common Road Dowlais Merthyr Tydfil CF48 2YG

    Received Not published
  3. Not publishedP/26/0156

    Discharge condition 10 (Construction Traffic Management Plan) of planning permission P/25/0048.

    Ysgol Rhyd Y Grug Primary School Aberfan Crescent Aberfan Merthyr Tydfil CF48 4NT

    Received Not published
  4. Not publishedP/26/0163

    Routine maintenance to 2 no. lime trees involving pollarding of the trees

    15 & 16 Briarmead Penydarren Merthyr Tydfil CF47 9BZ

    Received Not published
  5. Not publishedP/26/0162

    First floor rear extension

    20 Williams Terrace Treharris CF46 5HH

    Received Not published
  6. Not publishedP/26/0160

    Prior Notification for demolition works

    Cefn Fforest Farm Twynygarreg Treharris CF46 5RN

    Received Not published
  7. Not publishedP/26/0161

    Lawful Development Certificate for proposed assorted extensions and works

    Cefn Fforest Farm Twynygarreg Treharris CF46 5RN

    Received Not published
  8. Not publishedP/26/0157

    Discharge of condition 5 (Lighting) of planning permission P/25/0265

    Land To The North Of The Heads Of The Valleys Road Off Rhymney Common Road Dowlais Merthyr Tydfil CF48 2YG

    Received Not published
  9. Not publishedP/26/0181

    Variation of condition 4 of planning permission P/25/0196 to indicate the maximum number of bed spaces accommodated within the care home shall not exceed 56

    Jah Jireh Care Home Heads Of The Valleys Road Merthyr Tydfil CF44 0LX

    Received Not published
  10. Not publishedP/26/0165

    Non-material amendment to planning permission P/23/0131 relating to the layout of the building associated with the plant area.

    Bishop Hedley High School Gwaunfarren Road Penydarren Merthyr Tydfil CF47 9AN

    Received Not published
  11. Not publishedP/26/0167

    First floor side extension with other alterations

    18 Anthony Hill Court Pentrebach Merthyr Tydfil CF48 4AZ

    Received Not published
  12. Not publishedP/26/0166

    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

    31 Rocky Road Penydarren Merthyr Tydfil CF47 9JL

    Received Not published
  13. Not publishedP/26/0164

    Discharge of Conditions 7 (Contamination Remediation) and 11 (Ground Stability) of planning permission P/23/0131.

    Bishop Hedley High School Gwaunfarren Road Penydarren Merthyr Tydfil CF47 9AN

    Received Not published
  14. Not publishedP/26/0168

    Discharge condition 3 (planting scheme) of planning permission P/26/0024

    2 Parc Wenallt Treharris CF46 5HX

    Received Not published
  15. Not publishedP/26/0171

    Two storey rear extension incorporating a rear dormer.

    1 Milbourne Close Twynyrodyn Merthyr Tydfil CF47 0UH

    Received Not published
  16. Not publishedP/26/0169

    Discharge of condition 3 (Ecological enhancement) of planning permission P/26/0112

    4 Bryntirion Street Dowlais Merthyr Tydfil CF48 3RY

    Received Not published
  17. Not publishedP/26/0172

    Engineering works to lower ground level to create patio area and enable the construction of a single storey rear extension and alterations

    39 Maple Crescent Trefechan Merthyr Tydfil CF48 2EH

    Received Not published
  18. Not publishedP/26/0170

    Discharge of Condition 9 (Invasive Non-Native Species Strategy) of planning permission P/25/0223 relating to a residential development.

    Land Adjacent To Hillcrest And Mitchell Crescent Penydarren Merthyr Tydfil

    Received Not published
  19. Not publishedP/26/0173

    Vary of Condition 2 of planning permission P/24/0206 to allow for the increased depth of the rear extension to enable the incorporation of an internal lift

    148 High Street Merthyr Tydfil CF47 8DP

    Received Not published
  20. Not publishedP/26/0174

    Discharge of condition 3 (landscaping scheme) of planning permission P/25/0285 The erection of Passivhaus modular residential units, laundry, bin store, landscaping, parking and associated works

    Car Park At Hornbeam Close Gurnos Merthyr Tydfil CF47 9BW

    Received Not published
  21. Not publishedP/26/0175

    Discharge of conditions 4 (Construction Traffic Management Plan) and 11 (Construction Environment Management Plan) of planning permission P/25/0223 relating to a residential development.

    Land Adjacent To Hillcrest And Mitchell Crescent Penydarren Merthyr Tydfil

    Received Not published
  22. Not publishedP/26/0179

    Install solar photo-voltaic panels on to the principal roof slope

    54 Council Street Penydarren Merthyr Tydfil CF47 9DJ

    Received Not published
  23. Not publishedP/26/0176

    Erection of two storey side extension, and the repositioning of parking area and vehicular entrance.

    36 Berry Square Dowlais Merthyr Tydfil CF48 3AL

    Received Not published
  24. Not publishedP/26/0177

    Installation of solar photovoltaic car ports over part of the existing Abermorlais car park.

    Car Park Rear Of Civic Centre Glebeland Place Merthyr Tydfil CF47 8BH

    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