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
2,670Searchable applications
0Recorded as pending
92%Approval rate · 2,399 approved or refused records
188Refused applications

2,211 approved · 188 refused · 104 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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/24/0279

    Conversion from offices to bunkhouse

    Six Bells Inn Heolgerrig Heolgerrig Merthyr Tydfil CF48 1RP

    Received Not published
  2. Not publishedP/25/0101

    Change of use from 5 bedroom dwelling (C3 use class) to a 6 bed HMO (C4 use class)

    1 Cwm Cottages Walter Street Dowlais Merthyr Tydfil CF48 3AP

    Received Not published
  3. Not publishedP/25/0021

    Demolition of the existing buildings (No. 34-37 High Street) and construction of new public open space to provide a link between the train station and the High Street, with associated landscaping and access works.

    Land At 34-37 High Street Merthyr Tydfil CF47 8DE

    Received Not published
  4. Not publishedP/24/0274

    Discharge of conditions No. 3 (Construction Environment Management Plan) and No. 5 (external lighting) of planning permission P/24/0191

    Afon Taf High School Yew Street Troedyrhiw Merthyr Tydfil CF48 4ED

    Received Not published
  5. Not publishedP/24/0275

    Discharge of Condition 6 (Non-native Invasive Species) of planning permission P/24/0140 relating to a residential development.

    Cefn Isaf Flats Pontycapel Road Cefn Coed

    Received Not published
  6. Not publishedP/24/0276

    Discharge of Condition 14 (Travel Plan) of planning permission P/24/0140 relating to a residential development.

    Cefn Isaf Flats Wern Road Cefn Coed Merthyr Tydfil

    Received Not published
  7. Not publishedP/24/0277

    Discharge of Condition 9 (Bat Roosts) of planning permission P/24/0140 relating to a residential development.

    Cefn Isaf Flats Pontycapel Road Cefn Coed

    Received Not published
  8. Not publishedP/24/0278

    Discharge of Condition 8 (Landscape Ecology Management Plan) of planning permission P/24/0140 relating to a residential development.

    Cefn Isaf Flats Wern Road Cefn Coed Merthyr Tydfil

    Received Not published
  9. Not publishedP/24/0280

    First floor rear extension

    12 Glyncoed Terrace Tramroad Side South Twynyrodyn CF47 0UB

    Received Not published
  10. Not publishedP/24/0281

    Demolition of rear garden wall

    7 Council Street Penydarren Merthyr Tydfil CF47 9DJ

    Received Not published
  11. Not publishedP/24/0282

    demolition of rear garden wall and creation of parking area

    7 Council Street Penydarren Merthyr Tydfil CF47 9DJ

    Received Not published
  12. Not publishedP/25/0087

    The repairs, replacement and installation of new drainage pipes, attenuation tank and manholes.

    Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    Received Not published
  13. Not publishedP/25/0086

    The repairs, replacement and installation of new drainage pipes, attenuation tank and manholes. This is to reduce the risk of flooding from surface water from the castle and surrounding area.

    Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    Received Not published
  14. Not publishedP/24/0284

    Variation of condition 1 (to extend time period within which to commence development) of planning permission P/19/0314

    1 Morlais Buildings High Street Merthyr Tydfil CF47 8UL

    Received Not published
  15. Not publishedP/24/0285

    Proposed Flying Start Creche New Build

    Ysgol Santes Tudful Pantyffyn Road Penyard Merthyr Tydfil CF47 0HU

    Received Not published
  16. Not publishedP/24/0283

    Discharge condition 3 (methodology statement for the cleaning of brickwork, stonework and lead work) and 4 (material sample/details) of planning permission P/19/0314

    1 Morlais Buildings High Street Merthyr Tydfil CF47 8UL

    Received Not published
  17. Not publishedP/24/0286

    Construction of outbuilding

    4 Quay Row Abercanaid Merthyr Tydfil CF48 1YP

    Received Not published
  18. Not publishedP/24/0287

    Single storey rear extension

    9 The Hawthorns Pant CF48 2EJ

    Received Not published
  19. Not publishedP/24/0288

    Demolish existing conservatory and garage and construct new single storey rear extension and detached garage with pitched roof

    29 Vernon Close Penyard CF47 0HY

    Received Not published
  20. Not publishedP/25/0002

    Installation of Solar Panels to roofs

    Empressive Motor Co Ltd Unit 31H Pant Industrial Estate Dowlais Merthyr Tydfil CF48 2SR

    Received Not published
  21. Not publishedP/25/0003

    Certificate of lawful development for proposed works to include the conversion of a garage, extension to first floor bedroom, insertion of larger windows, addition of a Juliet balcony, and the widening of a front driveway

    Ponsford Somerset Lane Cefn Coed Merthyr Tydfil CF48 2PA

    Received Not published
  22. Not publishedP/24/0289

    Discharge of condition 4 (materials) of planning permission P/24/0111

    Hillcrest Mount Pleasant Troedyrhiw Merthyr Tydfil CF48 4NA

    Received Not published
  23. Not publishedP/25/0001

    Variation of conditions 3 and 4 of planning permission P/21/0283 to erect a close board fence on the north side boundary of the site

    Maes Y Bryn Cardiff Road Treharris CF46 5NB

    Received Not published
  24. Not publishedP/25/0004

    Non material amendment to planning permission P/24/0148 to reduce the width of a section of the proposed extension and identify biodiversity enhancement

    63 Heolgerrig Heolgerrig Merthyr Tydfil CF48 1RP

    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