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
2,256Searchable applications
0Recorded as pending
92%Approval rate · 2,011 approved or refused records
159Refused applications

1,852 approved · 159 refused · 84 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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/20/0005

    Construction of a single storey extension to the existing OPMH day unit (proposal to include alterations to exiting window/door openings)

    Keir Hardie Health Park Aberdare Road Georgetown Merthyr Tydfil CF48 1BZ

    Received Not published
  2. Not publishedP/20/0021

    Discharge of conditions 3 (material finishes), 4 (retaining works), 5 (boundary treatment), 6 (knotweed) and 7 (buffer zone) of planning permission P/19/0235 relating to a dwelling

    Land To The Rear Of 9-15 Newton Street Abercanaid Merthyr Tydfil

    Received Not published
  3. Not publishedP/20/0010

    Construct detached dwelling

    Land Adjacent To Brondeg Heolgerrig Merthyr Tydfil

    Received Not published
  4. Not publishedP/20/0008

    Remove deadwood and snapped branch of Beech Tree

    80 Westwood Drive Treharris CF46 5BL

    Received Not published
  5. Not publishedP/20/0038

    Single storey side / rear extension

    9 Holford Street Cefn Coed Merthyr Tydfil CF48 2RN

    Received Not published
  6. Not publishedP/20/0013

    Erect two storey building in the car parking area to the south of the main hospital (temporary)

    Prince Charles Hospital Gurnos Road Gurnos Merthyr Tydfil CF47 9DT

    Received Not published
  7. Not publishedP/20/0019

    Non material amendment to splay external wall at flat 5 (rear courtyard) to accommodate existing right of access to 23 Lower Thomas Street

    Former Citizens Advice Bureau Lower Thomas Street Merthyr Tydfil

    Received Not published
  8. Not publishedP/20/0024

    Erection of new office building with associated parking

    Land Rear Of Merthyr Tydfil Leisure Centre Merthyr Tydfil Leisure Village Merthyr Tydfil

    Received Not published
  9. Not publishedP/20/0011

    Construction of two dug-outs (in association with existing playing field)

    Taff Bargoed Park High Street Trelewis Treharris

    Received Not published
  10. Not publishedP/20/0012

    Demolish front porch and construct single storey front extension and two storey rear extension. New boundary treatment to rear to facilitate a parking space

    27 The Hafod Pant Merthyr Tydfil CF48 2EB

    Received Not published
  11. Not publishedP/20/0014

    Proposed side and rear extension

    2 High Trees Trefechan Merthyr Tydfil CF48 2LE

    Received Not published
  12. Not publishedP/20/0015

    Convert garage into living accommodation

    23 Anthony Hill Court Pentrebach Merthyr Tydfil CF48 4AZ

    Received Not published
  13. Not publishedP/20/0018

    Proposed single storey extension

    10 Gelligaer Road Trelewis Treharris CF46 6DN

    Received Not published
  14. Not publishedP/20/0017

    New classroom building with an associated sheltered walkway to the existing school

    Trelewis Primary School High Street Trelewis Treharris CF46 6AH

    Received Not published
  15. Not publishedP/20/0016

    Proposed single storey rear / side extension

    24 Trevithick Gardens Merthyr Tydfil CF47 0RP

    Received Not published
  16. Not publishedP/20/0022

    Variation of condition 2 of planning permission P/19/0139 to remove cupola on roof and replace with roof light on rear roof slope. Change of front door design and alterations to the front and side elevation window design

    Capel Salem Kingdom Hall 20 New Castle Street Merthyr Tydfil CF47 0BH

    Received Not published
  17. Not publishedP/20/0023

    Variation of condition 2 of Listed Building Consent P/19/0140 to remove cupola on roof and replace with roof light on rear roof slope. Change of front door design and alterations to the front and side elevation window design

    Capel Salem Kingdom Hall 20 New Castle Street Merthyr Tydfil CF47 0BH

    Received Not published
  18. Not publishedP/20/0020

    Single storey rear extension

    8 Christopher Terrace Merthyr Tydfil CF47 0UE

    Received Not published
  19. Not publishedP/20/0026

    Erect 16 No. dwellings including access, cr parking and new oul and surface water drainage system for existing dwellings at Brooklands

    Land At Brooklands Nelson

    Received Not published
  20. Not publishedP/20/0119

    Erect new decking and new fencing to front garden

    5 Pleasant View Cardiff Road Treharris CF46 5LS

    Received Not published
  21. Not publishedP/20/0030

    Demolish all terrace properties and garages

    Taff And Crescent Street Merthyr Vale Merthyr Tydfil

    Received Not published
  22. Not publishedP/20/0027

    Convert part of ground floor to a 1 bed flat. Proposal to include associated external works

    28 Edward Street Treharris CF46 5LF

    Received Not published
  23. Not publishedP/20/0028

    Change of use of vacant scrub land to provide a car park to be use (by staff and contractors) in association with Prince Charles Hospital

    Former Site Of Johnny Owen Centre Forsythia Close Gurnos Merthyr Tydfil CF47 9DS

    Received Not published
  24. Not publishedP/20/0029

    Detached dwelling within garden

    14 Gelligaer Road Trelewis Treharris CF46 6DN

    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