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
2,759Searchable applications
0Recorded as pending
92%Approval rate · 2,482 approved or refused records
198Refused applications

2,284 approved · 198 refused · 105 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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/25/0209

    Non material amendment to planning permission P/24/0199 to change window in south elevation to double patio doors

    Former Bontnewydd Hall Bontnewydd Terrace Trelewis CF46 6AB

    Received Not published
  2. Not publishedP/25/0217

    Replace composite slate roof tiles and rainwater goods with like for like, renew facias and repair works to existing chimneys.

    6 Nightingale Street Abercanaid Merthyr Tydfil CF48 1DX

    Received Not published
  3. Not publishedP/25/0215

    Two storey and single storey extension to rear, porch to front.

    12 Royal Crescent Gwaunfarren Road Penydarren Merthyr Tydfil CF47 9LA

    Received Not published
  4. Not publishedP/25/0210

    Solar Panels to main roof

    Unit 4D Pant Industrial Estate Pant Merthyr Tydfil CF48 2SR

    Received Not published
  5. Not publishedP/25/0212

    Two storey rear extension with re-profiling of rear garden & alterations

    48 Barrack Row Dowlais Merthyr Tydfil CF48 3NF

    Received Not published
  6. Not publishedP/25/0214

    Demolition of derelict cottage and inclusion of its site into adjoining property. Erection of garage extension, side extension and rear extension and other external alterations. (Retrospective works)

    Blaen Bargoed Cottage Access Road To Kinsey Farm Mountain Hare CF48 4AQ

    Received Not published
  7. Not publishedP/25/0216

    Partial demolition and like for like rebuilding of a 9m section of existing stone retaining wall, including reinstatement of coping stones and railings

    Northern Boundary Wall At Site Of The Former Ysgol Santes Tudful School Queens Road Twynyrodyn Merthyr Tydfil

    Received Not published
  8. Not publishedP/25/0219

    Retention of barn conversion to 2no. holiday lets

    Berthlwyd Farm Pentwyn Road Treharris CF46 5BS

    Received Not published
  9. Not publishedP/25/0218

    Replace composite slate roof tiles and rainwater goods with like for like, renew facias and repair works to existing chimneys.

    6 Nightingale Street Abercanaid Merthyr Tydfil CF48 1DX

    Received Not published
  10. Not publishedP/25/0220

    Non-material amendment to application P/25/0031 to alter the external finishes of the approved extension from Marley Cedral cladding to a dark grey resin render finish

    Yr-Hafod Heol-y-mynydd Cefn Coed Merthyr Tydfil CF48 2NQ

    Received Not published
  11. Not publishedP/25/0221

    Retention of barn conversion (curtilage listed) to 2 no. holiday lets.

    Berthlwyd Farm Pentwyn Road Treharris CF46 5BS

    Received Not published
  12. Not publishedP/25/0224

    Retention of Unit 2 as a multi-disciplinary training unit

    Prince Charles Hospital Gurnos Road Gurnos Merthyr Tydfil CF47 9DT

    Received Not published
  13. Not publishedP/25/0277

    Discharge conditions 3 (boundary treatments), 4 (external materials), 5 (Retaining Walls), 10 (external lighting) and 12 (planting scheme) of planning permission P/23/0133.

    Former Ynysgau Chapel Wyndham Street Troedyrhiw Merthyr Tydfil CF48 4JY

    Received Not published
  14. Not publishedP/25/0223

    Residential development compromising 47 homes, landscaping, informal open space and associated engineering works.

    Land Adjacent To Hillcrest And Mitchell Crescent Penydarren Merthyr Tydfil CF47 9JF

    Received Not published
  15. Not publishedP/25/0222

    Proposed new external shop front with internal roller shutters

    The Don's 32 High Street Merthyr Tydfil CF47 8DE

    Received Not published
  16. Not publishedP/25/0247

    New storage unit with office

    JLC Groundwork Contractors Ltd Willow Works Abercanaid Industrial Estate Abercanaid Merthyr Tydfil CF48 1YF

    Received Not published
  17. Not publishedP/25/0227

    Discharge of conditions 2 (external finishes), 3 (biodiversity enhancement) and 4 (retaining wall details) of planning permission P/25/0153 for change of use of land to garden, retention of driveway with associated retaining works and retention of outbuilding

    53 Twynyrodyn Road Twynyrodyn Merthyr Tydfil CF47 0PS

    Received Not published
  18. Not publishedP/25/0226

    Proposed new single storey side extension with alterations

    33 Willow Road Gurnos Merthyr Tydfil CF47 9BA

    Received Not published
  19. Not publishedP/25/0229

    Repair and restoration of the Grade II listed Synagogue and Grade II listed Primrose Hill to provide a Welsh Jewish Cultural Centre, with associated landscaping works on land to the north and east of the Synagogue, the erection of a bat roost house, plant enclosure and air source heat pump.

    The Synagogue Church Street Merthyr Tydfil CF47 0ER

    Received Not published
  20. Not publishedP/25/0225

    Discharge conditions 3 (material details), 4 (boundary details), 6 (retaining wall details), 11 (landscaping details) and condition 14 (solar panel details) of planning permission reference P/23/0281

    8 Cwm Woods Grove Heolgerrig Merthyr Tydfil CF48 1DP

    Received Not published
  21. Not publishedP/25/0231

    Change of use from 3 bedroom dwelling (C3 use) to a 4 bedroom House of Multiple Occupation (HMO) (C4 use class)

    3 Eastfield Place Plymouth Street Merthyr Tydfil CF47 0UP

    Received Not published
  22. Not publishedP/25/0228

    Discharge of condition 3 (biodiversity enhancement) of planning Permission P/25/0162

    2 Three Salmon Street Merthyr Tydfil CF47 8DS

    Received Not published
  23. Not publishedP/25/0244

    Erect 10m high illuminated sign

    Lidl Supermarket Pengarnddu Industrial Estate Dowlais Merthyr Tydfil CF48 2TA

    Received Not published
  24. Not publishedP/25/0233

    Demolition of existing single-storey side extension and construction of new single-storey, rear extension

    63 Brecon Rise Pant Merthyr Tydfil CF48 2EE

    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