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
2,369Searchable applications
0Recorded as pending
92%Approval rate · 2,120 approved or refused records
167Refused applications

1,953 approved · 167 refused · 88 withdrawn. Most recent record check: 11 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 Counts reflect the last collected status; some records may be out of date.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/20/0241

    Change of use of A1 shop to A3 takeaway with flue

    137 High Street Merthyr Tydfil CF47 8DN

    Received Not published
  2. Not publishedP/20/0245

    Construction of a two storey rear extension and store outbuilding

    Pontygwaith Farm Pontygwaith Treharris CF46 5PD

    Received Not published
  3. Not publishedP/21/0170

    Demolition of industrial buildings and erection of 14 dwellings and 6 apartments (Outline)

    Bryntaf Garage Aberfan Merthyr Tydfil CF48 4PJ

    Received Not published
  4. Not publishedP/20/0247

    Non-material amendment to planning permission P/20/0060 for a reduction in the number of storage units from 9 units to 7 units and reduction in the size of the blocks of units

    Willows House Abercanaid Industrial Estate Abercanaid Merthyr Tydfil CF48 1YF

    Received Not published
  5. Not publishedP/20/0248

    Change of use from residential property (C3 Use Class) to beauty salon (Sui generis)

    166A High Street Cefn Coed Merthyr Tydfil CF48 2PH

    Received Not published
  6. Not publishedP/20/0249

    Erection of garden shed (Retrospective)

    7 Crud Yr Awel Heolgerrig Merthyr Tydfil CF48 1SA

    Received Not published
  7. Not publishedP/20/0250

    Discharge of condition 3 (Reptile Management Strategy) of planning permission P/20/0187

    Mountain Hare Rugby And Football Fields Pantyffyn Road Mountain Hare Merthyr Tydfil

    Received Not published
  8. Not publishedP/20/0252

    Erection of conservatory to rear elevation

    11 Treharne Road Treharris CF46 5NY

    Received Not published
  9. Not publishedP/20/0257

    Erection of conservatory

    Ty Camlas Pond Row Abercanaid Merthyr Tydfil CF48 1YS

    Received Not published
  10. Not publishedP/20/0258

    Proposed use of shop as a sandwich bar (Certificate of Lawful Development)

    36 Pontmorlais High Street Merthyr Tydfil CF47 8UN

    Received Not published
  11. Not publishedP/20/0262

    Removal of condition H attached to appeal decisions APP6410/C/95/508749 and APP6410/C/95/508750, which currently restricts the use of the floodlighting (Removal of Condition Application)

    Merthyr Motor Auctions Pant Road Dowlais Merthyr Tydfil CF48 3SH

    Received Not published
  12. Not publishedP/20/0254

    Discharge of Condition 6 (boundary treatment) of planning permission P/19/0001 for the retention of an affordable housing scheme (8 flats) and regrading and engineering works to provide a reinstated landscaped embankment

    Land Side Of Former Job Centre Building Penydarren Road Merthyr Tydfil

    Received Not published
  13. Not publishedP/20/0273

    Single storey rear extension (Certificate of Lawful Development)

    77 Ty Llwyd Parc Quakers Yard Treharris CF46 5LB

    Received Not published
  14. Not publishedP/20/0256

    Enable the retention of, and proposed extension to, quarry operations including new drainage systems and settlement ponds, landscape bunds and associated works and a site restoration scheme

    Gelliarwellt Uchaf Farm Gelligaer Road Gelligaer Hengoed

    Received Not published
  15. Not publishedP/20/0276

    Installation of a 2.7 MW natural gas powered combined heat and power unit to generate heat and electricity

    Kepak Group Limited Pengarnddu Industrial Estate Dowlais Merthyr Tydfil CF48 2TA

    Received Not published
  16. Not publishedP/20/0271

    Convert first floor of community centre into 2, 1 bedroom flats

    Community Centre Greenwood Close Twynyrodyn Merthyr Tydfil CF47 0SY

    Received Not published
  17. Not publishedP/20/0266

    Construct single storey office building

    Laymak Yard (Former Unigate Dairies) Willow Works Abercanaid Industrial Estate Abercanaid Merthyr Tydfil CF48 1YF

    Received Not published
  18. Not publishedP/20/0268

    Detached dwelling

    Land Formerly Winsor Cottages Adjacent To Aberfan Social Democratic Club Angus Street Aberfan Merthyr Tydfil

    Received Not published
  19. Not publishedP/20/0261

    Construction of 4 storage units

    The Willows Abercanaid Industrial Estate Abercanaid Merthyr Tydfil CF48 1YF

    Received Not published
  20. Not publishedP/20/0259

    Proposed replacement and extension of rear decked area, shed and steps to lower garden area

    10 Parc Cwm Pant Bach Heolgerrig Merthyr Tydfil CF48 1TQ

    Received Not published
  21. Not publishedP/20/0260

    Remove deadwood, snapped branch and carry out partial crown reduction (by approximately 4 metres) of Beech tree

    Land Adjacent To 80 Westwood Drive Treharris

    Received Not published
  22. Not publishedP/20/0263

    Non-material amendment to planning permission P/20/0053 to alter the external finishes of the extension from render and brickwork to brickwork

    21 St Donats Close Castle Park Swansea Road Merthyr Tydfil CF48 1JP

    Received Not published
  23. Not publishedP/20/0264

    Construct two storey rear extension

    20 Oakfield Street Aberfan Merthyr Tydfil CF48 4QB

    Received Not published
  24. Not publishedP/20/0267

    Discharge of condition 7 (retaining wall details & calculations) of planning permission P/19/0117

    Fair View Cottage Fairview Terrace Twynyrodyn Merthyr Tydfil CF47 0RL

    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