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
2,461Searchable applications
0Recorded as pending
92%Approval rate · 2,206 approved or refused records
172Refused applications

2,034 approved · 172 refused · 93 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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/21/0191

    Erection of hipped-roof, rear conservatory and erection of railings to front path

    65 Beacon Heights Swansea Road Merthyr Tydfil CF48 1NL

    Received Not published
  2. Not publishedP/21/0196

    Erection of garage

    Land Adjacent To 54 Cedar Way Gurnos Merthyr Tydfil

    Received Not published
  3. Not publishedP/21/0192

    Discharge conditions 4 (details of metal gates) and 5 (details of materials) of planning permission P/19/0009

    8 Pontmorlais High Street Merthyr Tydfil CF47 8UB

    Received Not published
  4. Not publishedP/21/0215

    Erection of canopy to form covered seating area, installation of 5 No. fixed benches, erection of new single storey w.c. Extension of external serving area and new flat roof over, creation of new porch, new ramp and stepped access and new boundary walls

    Red Spice 1 Bethesda Street Merthyr Tydfil CF47 8LL

    Received Not published
  5. Not publishedP/21/0284

    Conversion of whole of first floor to house of multiple occupation (HMO) with porch/canopy over rear doors (Sui Generis)

    14 High Street Caeharris Dowlais Merthyr Tydfil CF48 3HB

    Received Not published
  6. Not publishedP/21/0202

    Construct garage to the rear of the property

    13 Aeron Terrace Penheolferthyr Twynyrodyn Merthyr Tydfil CF47 0LN

    Received Not published
  7. Not publishedP/21/0200

    Discharge of Conditions 3 (materials/samples) and 5 (retaining wall calcs/materials) of planning permission P/20/0272

    12 Conway Grove Castle Park Swansea Road Merthyr Tydfil CF48 1JJ

    Received Not published
  8. Not publishedP/21/0210

    Change of use from commercial premises with accommodation above to a 1 bedroom flat at ground floor, to include rear extension and 1 flat at first floor

    2 Yew Street Troedyrhiw Merthyr Tydfil CF48 4DZ

    Received Not published
  9. Not publishedP/21/0203

    Erection of single storey rear & side extension

    10A Old Church Street Cefn Coed Merthyr Tydfil CF48 2RP

    Received Not published
  10. Not publishedP/21/0201

    Discharge of Condition 12 (Contamination) of planning permission P/20/0199 for residential development including the conversion and extension of a listed building to provide 70 units

    St Tydfils Hospital Upper Thomas Street Merthyr Tydfil CF47 0SJ

    Received Not published
  11. Not publishedP/21/0206

    Change of use of highway verge to garden and erection of garage and boundary wall

    Land To The North Of Plot 1 Plymouth House Milbourne Terrace Merthyr Tydfil

    Received Not published
  12. Not publishedP/21/0205

    Attic conversion inc. raising of roof ridge height and erection of 2 No. dormers to front, erection of porch, split level side extension (2 storeys to front), lower ground floor store and detached store and other external alterations including re-profiling of front of site and erection of boundary/retaining walls

    Delfryn Heol-y-mynydd Cefn Coed Merthyr Tydfil CF48 2NQ

    Received Not published
  13. Not publishedP/21/0212

    First floor extension

    33 Trevithick Gardens Merthyr Tydfil CF47 0RP

    Received Not published
  14. Not publishedP/21/0218

    Construction of new dwelling

    Land Between 15 And 21 Station Terrace Merthyr Vale Merthyr Tydfil

    Received Not published
  15. Not publishedP/21/0216

    Replace car port with double garage, single storey side and rear extensions and front porch

    5 Melin Caiach Mill Street Treharris CF46 5RU

    Received Not published
  16. Not publishedP/21/0207

    Two storey side extension

    39 Glasier Road Twynyrodyn Merthyr Tydfil CF47 0TD

    Received Not published
  17. Not publishedP/21/0217

    Two storey side extension and detached rear garage

    86 Yew Street Troedyrhiw Merthyr Tydfil CF48 4EE

    Received Not published
  18. Not publishedP/21/0219

    Single storey rear extension (Certificate of Lawfulness)

    Ty Mefus Pentwyn Road Treharris CF46 5BS

    Received Not published
  19. Not publishedP/21/0213

    Erection of rear two storey extension

    16 Glendower Street Dowlais Merthyr Tydfil CF48 3SG

    Received Not published
  20. Not publishedP/21/0214

    Erection of 22 No. illuminated and non-illuminated fascia and totem signs

    Currys Unit 7 Cyfarthfa Retail Park Swansea Road Merthyr Tydfil CF48 1HY

    Received Not published
  21. Not publishedP/21/0209

    Discharge Condition 3 (Materials) 6 (Boundary details) 7 (Fencing around substation) 8 (Retaining wall details (calcs)) of planning permission P/20/0270

    Plot 6 Sandbrook Place Bryntirion Road Merthyr Tydfil CF47 0EW

    Received Not published
  22. Not publishedP/21/0223

    First floor side extension

    Asherton 9 The Grove Merthyr Tydfil CF47 8YR

    Received Not published
  23. Not publishedP/21/0211

    Extension of raised garden area including reprofiling and retaining works

    19 Gellifaelog Terrace Penydarren Merthyr Tydfil CF47 9HL

    Received Not published
  24. Not publishedP/21/0225

    Proposed extension to Aldi Stores, demolition of the existing car sales building, boundary wall, and forecourt to facilitate extension, re-configuration of the existing car park and other external works

    Aldi Foodstore Ltd And Simon Jones Cars Plymouth Street Merthyr Tydfil CF47 0TP

    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