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
2,590Searchable applications
0Recorded as pending
92%Approval rate · 2,328 approved or refused records
180Refused applications

2,148 approved · 180 refused · 97 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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/23/0104

    Change of use from Class A1 (Retail) to a flexible use for Class D2 (Gym) or its reversion to a Class A1 use

    Unit D Triangle Business Park Pentrebach Merthyr Tydfil CF48 4TQ

    Received Not published
  2. Not publishedP/23/0109

    Demolition of existing garage, and erection of single storey extension

    Llyswen Mount View Mountain Hare Merthyr Tydfil CF47 0UX

    Received Not published
  3. Not publishedP/23/0131

    Demolition of existing school and construction of a new school building within the existing site, including sports facilities and associated landscaping, access and engineering works, temporary staff car park, construction compound and classrooms during construction

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

    Received Not published
  4. Not publishedP/23/0126

    Construction of new single storey detached class room building

    Dowlais Primary School Market Street Dowlais Merthyr Tydfil CF48 3HW

    Received Not published
  5. Not publishedP/23/0125

    Retrospective permission for the construction of a new footbridge, works to demolish, alter and extend existing platform north of the railway line and construction of a new platform south of the railway line with associated ancillary works

    Land At Quakers Yard Station Tramroadside Treharris

    Received Not published
  6. Not publishedP/23/0103

    Undertake 1 to 2m crown reduction to previous selected points as previous reduction was done also remove all Ivy and sever at base. Remove lowest epicormic growth on main stem up to 5m.

    17 Cwrt Bevan Merthyr Tydfil CF47 0AQ

    Received Not published
  7. Not publishedP/23/0108

    Conversion of garage to habitable room, removal of bay window and erection of front porch, erection of orangery to the rear and erection of detached garage

    Tygs Cilsanws Lane Cefn Coed Merthyr Tydfil CF48 2NU

    Received Not published
  8. Not publishedP/23/0105

    Discharge of conditions 4 (Drainage), 5 (Boundaries), 6 (Retaining Works) and 8 (Watching Brief) of planning permission P/19/0329 relating to a dwelling.

    Land At Maesynant Grove Park Merthyr Tydfil

    Received Not published
  9. Not publishedP/23/0107

    Discharge of conditions 3 (Material Finishes), 4 (Roof Lights) and 5 (Ecological Management Plan) of planning permission P/21/0340 relating to a barn conversion

    Goitre Coed Fach Farm Goitre-coed Road Treharris CF46 5BB

    Received Not published
  10. Not publishedP/23/0116

    Change of use from a shop (A1 Use Class) to a dog groomers (sui generis)

    12 Fox Street Treharris CF46 5HE

    Received Not published
  11. Not publishedP/23/0115

    Retrospective listed building consent for removal of existing signage to front and rear elevations, removal of ATM on the front elevation and infill opening with granite to match existing and removal of glazing of 1 window on the front elevation and replace with new. Removal of internal counters, internal partition walls, internal glazed partition walls and all furniture

    47 High Street Merthyr Tydfil CF47 8DL

    Received Not published
  12. Not publishedP/23/0114

    Retrospective planning permission for the removal of ATM on the front elevation and infill opening with granite to match existing and removal of glazing of 1 window on the front elevation and replace with new

    47 High Street Merthyr Tydfil CF47 8DL

    Received Not published
  13. Not publishedP/23/0111

    Variation of conditions 2 and 3 of outline planning permission P/20/0113 to extend the time period for the commencement of development and for the submission of reserved matters (a further 3 years)

    Land Adjacent To Ty Alfa Yr Hen Llaethdy Kingsley Terrace Aberfan Merthyr Tydfil CF48 4PY

    Received Not published
  14. Not publishedP/23/0112

    Discharge condition 3 (Drainage details) of planning permission P/18/0395

    20 And 21 Pant Road Dowlais Merthyr Tydfil CF48 3SP

    Received Not published
  15. Not publishedP/23/0146

    Installation of signage and relocation of an existing internally illuminated totem sign

    Aldi Foodstore Ltd Plymouth Street Merthyr Tydfil CF47 0TP

    Received Not published
  16. Not publishedP/23/0117

    Erection of 2 No. temporary banner signs

    Aldi Foodstore Ltd Plymouth Street Merthyr Tydfil CF47 0TP

    Received Not published
  17. Not publishedP/23/0122

    Installation of two overhead line electrification fixings to the underside wall of the bridge

    Pontygwaith Rail Overbridge Pontygwaith Treharris

    Received Not published
  18. Not publishedP/23/0118

    Detached Dwelling

    2 Carn Gwilym Goch Cefn Coed Merthyr Tydfil CF48 2HG

    Received Not published
  19. Not publishedP/23/0119

    Single storey side extension and other external works and creation of off road parking

    23 High Trees Trefechan Merthyr Tydfil CF48 2LE

    Received Not published
  20. Not publishedP/23/0121

    Conversion of garage to home office

    13 Harris Court Quakers Yard Treharris CF46 5LX

    Received Not published
  21. Not publishedP/23/0123

    Single storey extension to rear

    40 Cromwell Street Merthyr Tydfil CF47 8RY

    Received Not published
  22. Not publishedP/23/0120

    First floor rear extension

    2 Mount Pleasant Bedlinog Treharris CF46 6SD

    Received Not published
  23. Not publishedP/23/0130

    Two storey side extension to create a granny annexe, re profiling of ground level and erection of garden shed

    The Coach House Pantanas Treharris CF46 5BN

    Received Not published
  24. Not publishedP/23/0124

    Single storey rear extension with roof terrace

    8 Hill Street Troedyrhiw Merthyr Tydfil CF48 4HB

    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