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
2,354Searchable applications
0Recorded as pending
92%Approval rate · 2,106 approved or refused records
165Refused applications

1,941 approved · 165 refused · 87 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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/20/0221

    Proposed single storey extension

    Bedlinog Primary Hylton Terrace Bedlinog CF46 6RG

    Received Not published
  2. Not publishedP/20/0222

    Rear single storey extension and change of use of existing garage to a hot food takeaway

    Castle View Stores Twyn Carmel Swansea Road Merthyr Tydfil CF48 1PE

    Received Not published
  3. Not publishedP/20/0223

    Change of use of ground floor commercial unit to residential use

    Yr Hen Stordy Ladysmith Place Merthyr Road Troedyrhiw Merthyr Tydfil Merthyr Tydfil CF48 4JH

    Received Not published
  4. Not publishedP/20/0224

    Discharge conditions 3 (structural calculations and materials of retaining wall) 4, (structural calculation of any proposed brickwork/concrete lintel structures) and 6 (details of a scheme for the protection of trees)

    Frondeg Gwaunfarren Road Penydarren Merthyr Tydfil CF47 8DJ

    Received Not published
  5. Not publishedP/20/0225

    Construct a new dwelling in the side garden of the existing property. Erect a shed to the rear of the existing dwelling (1 Manorau, Queens Road)

    1 Manorau Queens Road Twynyrodyn Merthyr Tydfil CF47 0LY

    Received Not published
  6. Not publishedP/20/0235

    Conversion of house into two 1 bedroom flats

    29 Trevethick Street Merthyr Tydfil CF47 0HX

    Received Not published
  7. Not publishedP/20/0236

    Extend front and rear dormers

    11 Shirley Drive Heolgerrig Merthyr Tydfil CF48 1SE

    Received Not published
  8. Not publishedP/20/0233

    Discharge of condition 4 of planning permission P/18/0209 (disposal of surface water)

    Mackintosh Hotel Aberfan Road Aberfan Merthyr Tydfil

    Received Not published
  9. Not publishedP/20/0253

    Conversion of garage to living room

    64 Beacon Heights Swansea Road Merthyr Tydfil CF48 1NL

    Received Not published
  10. Not publishedP/20/0230

    First floor extension and single storey rear extension

    15 Heol Y Glyn Treharris CF46 5RX

    Received Not published
  11. Not publishedP/20/0265

    Change of use from retail (A1 Use Class) to restaurant (A3 Use Class) at ground floor and lower ground floor, to include a two storey rear extension, new shop front and other external alterations. Refurbish the existing 3 bedroom flat at first and second floors.

    18 Pontmorlais High Street Merthyr Tydfil CF47 8UB

    Received Not published
  12. Not publishedP/20/0232

    Discharge conditions 3 (drainage), condition 4 (retaining walls, 7 (boundary details), 5 (site investigation) and 9 (Japanese knotweed) of planning permission P/18/0395

    Land Adjacent To 22 Pant Road Pant Merthyr Tydfil

    Received Not published
  13. Not publishedP/20/0231

    Discharge of condition 3 (retaining wall details) and condition 4 (site investigation) of planning permission P/19/0020

    Trebethan Tydfil Terrace Church Street The Quar Merthyr Tydfil CF47 8SY

    Received Not published
  14. Not publishedP/20/0238

    Construct rear extension. Construct side extension to accommodate indoor swimming pool. Extension of garden curtilage to include the erection of new boundary wall/fence and new outbuilding (gym)

    4 Newland Park Penyard Merthyr Tydfil CF47 0TJ

    Received Not published
  15. Not publishedP/20/0243

    Construct a detached dwelling and a detached garage

    Land Adjacent To Sunnybank Mount Pleasant Heolgerrig Merthyr Tydfil

    Received Not published
  16. Not publishedP/20/0282

    Raised deck and children's outdoor play structures

    13 Heol Corn Du Swansea Road Merthyr Tydfil CF48 1BW

    Received Not published
  17. Not publishedP/20/0251

    Proposed two storey rear extension and raised first floor balcony area

    59 The Oaks Quakers Yard Treharris CF46 5HQ

    Received Not published
  18. Not publishedP/20/0239

    Construct front dormer and rear single storey extension

    16 Six Bells Estate Heolgerrig Merthyr Tydfil CF48 1TU

    Received Not published
  19. Not publishedP/20/0237

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

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

    Received Not published
  20. Not publishedP/20/0255

    Erection of new front wall

    23 Darren Las Merthyr Vale Merthyr Tydfil CF48 4SZ

    Received Not published
  21. Not publishedP/20/0234

    Demolition of remaining curtilage buildings and south block of main building. Alteration, extension and conversion of retained main block to create 7 apartments and a dwelling

    Former St Tydfils Hospital Upper Thomas Street Merthyr Tydfil CF47 0SJ

    Received Not published
  22. Not publishedP/20/0280

    Creation of off road parking space involving re-profiling and retaining works and creation of new entrance steps

    The Elms 34 The Walk Merthyr Tydfil CF47 8RS

    Received Not published
  23. Not publishedP/20/0244

    Certificate of Lawfulness to use dwelling (within C3b Use Class) as a children's care home

    Hafod Wen Swansea Road Merthyr Tydfil CF48 1HR

    Received Not published
  24. Not publishedP/20/0242

    Proposed new dwelling, commercial boarding kennel and barn conversion to holiday let

    Land At Bryn-Rhedyn Farm Bedlinog CF46 6UF

    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