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
2,500Searchable applications
0Recorded as pending
92%Approval rate · 2,244 approved or refused records
175Refused applications

2,069 approved · 175 refused · 94 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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/21/0344

    Change of use from betting office (A2 Use) to fish and chip takeaway (A3 Use) to include the installation of flue

    2 Bargoed Terrace Treharris CF46 5RB

    Received Not published
  2. Not publishedP/21/0347

    Certificate of Lawful Development for the erection of a single storey rear extension

    45 Pen Y Dyffryn Swansea Road Merthyr Tydfil CF48 1PL

    Received Not published
  3. Not publishedP/21/0341

    Variation of Condition 3 of planning permission P/16/0186 for an alternative landscaping scheme

    Mayphil Industrial Estate Goat Mill Road Dowlais Merthyr Tydfil CF48 3TF

    Received Not published
  4. Not publishedP/21/0356

    Certificate of lawful development to use dwelling (within C3 Use Class) as a residential care home (within Class C2)

    9 Tyn-y-banwen Road Treharris CF46 5NU

    Received Not published
  5. Not publishedP/21/0364

    Customer and staff parking area for Merthyr Motor Auctions and associated boundary treatments and hard and soft landscaping

    Land North Of Merthyr Motor Auctions Pant Road Pant Merthyr Tydfil CF48 3SH

    Received Not published
  6. Not publishedP/21/0352

    Proposed single storey building to accommodate day care facilities with associated new footpath, landscaping and play area

    Dowlais Primary School High Street Caeharris Merthyr Tydfil CF48 3HB

    Received Not published
  7. Not publishedP/21/0346

    Erection of single storey rear extension to provide disabled facilities

    26 Chestnut Way Gurnos Merthyr Tydfil CF47 9SB

    Received Not published
  8. Not publishedP/21/0382

    Proposed front and side extensions, rear and side canopies, provision of outdoor seating and associated works

    Webster House Dynevor Street Georgetown Merthyr Tydfil CF48 1BA

    Received Not published
  9. Not publishedP/21/0348

    Vary Condition 2 of planning permission P/18/0297 to extend time scale for the submission of a reserved matters application

    Land Adjacent To No 1 Mansfield Terrace Twynyrodyn Merthyr Tydfil

    Received Not published
  10. Not publishedP/21/0349

    Change of use from 3 bedroom dwelling to a 4 bedroom house of multiple occupation (C4 Use Class)

    35 Rocky Road Penydarren Merthyr Tydfil CF47 9JL

    Received Not published
  11. Not publishedP/21/0354

    Erection of canopy

    Trelewis Community Centre Nant Gwyn Trelewis Treharris

    Received Not published
  12. Not publishedP/21/0357

    Construct garage to the side of the property

    Frelot House Maen Gilfach Trelewis Treharris CF46 6BG

    Received Not published
  13. Not publishedP/21/0359

    Erection of dwelling (outline with all matters reserved)

    1 Park Houses Heolgerrig Heolgerrig Merthyr Tydfil

    Received Not published
  14. Not publishedP/21/0353

    Single storey extension to rear and first floor infill extension

    4 Gladstone Terrace Plymouth Street Merthyr Tydfil CF47 0UU

    Received Not published
  15. Not publishedP/21/0358

    Residential development and associated engineering, access and landscaping works

    Land Off Elm Tree Grove Twynyrodyn Merthyr Tydfil

    Received Not published
  16. Not publishedP/21/0355

    Two storey and single storey rear extensions, front bay window and canopy and other external alterations

    9 The Grove Aberfan Merthyr Tydfil CF48 4QA

    Received Not published
  17. Not publishedP/21/0351

    Change of use from 3 bedroom dwelling to a 4 bedroom house of multiple occupation (C4 Use Class)

    35 Nantycoed Troedyrhiw Merthyr Tydfil CF48 4HF

    Received Not published
  18. Not publishedP/21/0369

    Conversion of garage to habitable room

    43 Penybryn View Incline Top Merthyr Tydfil CF47 0GB

    Received Not published
  19. Not publishedP/21/0405

    Local Energy Centre, comprising Combined Heat & Power and Energy Storage Scheme

    Kepak/St Merryn Pengarnddu Industrial Estate Dowlais Merthyr Tydfil CF48 2TA

    Received Not published
  20. Not publishedP/21/0363

    Erect new canopy and install new front door with roller shutter

    Treharris Nursery School Perrott Street Treharris CF46 5ER

    Received Not published
  21. Not publishedP/21/0402

    Change of use from hotel (C1 use class) and public house (A3 use class) to residential family assessment service (C2 use class)

    Former Mackintosh Hotel And Public House Aberfan Road Aberfan Merthyr Tydfil CF48 4QJ

    Received Not published
  22. Not publishedP/21/0362

    Erection of outbuilding, new front boundary wall, re-profiling and retaining works (including retention of works undertaken and additional works)

    7 Bryntaf Cefn Coed Merthyr Tydfil CF48 2PU

    Received Not published
  23. Not publishedP/21/0366

    Erection of 4 detached dwellings with associated parking

    Land Between 26 Gelligaer Road & The Farm Shop Gelligaer Road Trelewis Treharris

    Received Not published
  24. Not publishedP/21/0365

    Certificate of lawfulness for the subdivision of unit 11 by way of internal alterations to create two separate retail units without restriction on the minimum gross retail floorspace of any single user/unit

    Unit 11 (formerly 9C) Cyfarthfa Retail Park Swansea Road Merthyr Tydfil CF48 1HY

    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