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
2,270Searchable applications
0Recorded as pending
92%Approval rate · 2,024 approved or refused records
161Refused applications

1,863 approved · 161 refused · 85 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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/20/0072

    Certificate of Lawfulness to use dwelling (within C3 use class) as a children's care home

    16 The Park Treharris CF46 5RH

    Received Not published
  2. Not publishedP/20/0073

    Non material amendment to planning permission P/18/0363 to change windows from sliding sash windows to tilt and turn

    Garages At Junction Of Overton Street And Victoria Street Dowlais Merthyr Tydfil

    Received Not published
  3. Not publishedP/20/0074

    Detached dwelling, detached garage and private driveway

    Plot 4, Land Off Upper Colliers Row Heolgerrig Merthyr Tydfil

    Received Not published
  4. Not publishedP/20/0080

    Single storey rear extension

    26 Maesgwynne Cefn Coed Merthyr Tydfil CF48 2SB

    Received Not published
  5. Not publishedP/20/0077

    Discharge of Conditions 8 (Retaining Wall Calculations) 9 (Site Investigation) and 12 (Construction Traffic Managers Plan) of planning permission P/18/0330 for the construction of 10 affordable housing units

    Land At East Street And Upper Union Street Dowlais Merthyr Tydfil

    Received Not published
  6. Not publishedP/20/0098

    Siting of static caravan for residential purposes

    Land To The Rear Of Ynysygored Cottages Aberfan Road Aberfan Merthyr Tydfil

    Received Not published
  7. Not publishedP/20/0084

    Discharge of conditions 3 (external materials), 5 (boundary treatments), 7 (site investigation), 9 (levels), 10 (retaining walls), 11 contamination) and 13 (footway) of planning permission P/18/0131 for the erection of a dwelling

    Land Adjacent To 1 Bedlinog Terrace Bedlinog Treharris

    Received Not published
  8. Not publishedP/20/0088

    Installation of a 6.2MW containerised ground source heat pump system with associated 40 No. 100m deep boreholes

    Kepak Group Ltd Pengarnddu Industrial Estate Dowlais Top Merthyr Tydfil

    Received Not published
  9. Not publishedP/20/0085

    First floor rear extension

    11 Tyllwyd Street Penydarren Merthyr Tydfil CF47 9LE

    Received Not published
  10. Not publishedP/20/0083

    Discharge Conditions 3 (external surface materials) and 4 (retaining walls) of planning permission P/18/0330 for the construction of 10 affordable dwellings

    Land At East Street Dowlais Merthyr Tydfil

    Received Not published
  11. Not publishedP/20/0086

    First floor side extension and two front bay windows

    57 Lakeside Gardens Gurnos Merthyr Tydfil CF48 1EW

    Received Not published
  12. Not publishedP/20/0090

    Single storey rear extension (featuring walkway above). Alterations to door and window openings to rear elevation

    73 Pontmorlais High Street Merthyr Tydfil CF47 8UN

    Received Not published
  13. Not publishedP/20/0093

    Renewal of outline planning permission P/17/0169 (residential development in lieu of existing vehicle spraying business)

    Land To The Rear Of 1 & 2 Cyfarthfa Gardens Cefn Coed Merthyr Tydfil

    Received Not published
  14. Not publishedP/20/0087

    Discharge of condition 2 (external retaining wall material) of planning permission P/19/0027 for the extension of garden curtilage and associated excavation /retaining works

    15 Upper High Street Bedlinog Treharris CF46 6RY

    Received Not published
  15. Not publishedP/20/0091

    Proposed indoor menage building, horse walker / exerciser and the retention of the hardcore area (resubmission following refusal of P/19/0302)

    Land At Cropthorne Stables Shingrig Road Trelewis Treharris

    Received Not published
  16. Not publishedP/20/0089

    Two storey and single storey rear extension

    14 Hawthorn Hill Trefechan Merthyr Tydfil CF48 2ES

    Received Not published
  17. Not publishedP/20/0092

    Discharge of conditions 3 (materials), 8 (boundary treatments), 9 (boundary enclosures) and 11 (bicycle parking shelter) of planning permission P/17/0283

    Land Adjoining (south Of) Delacey Builders Goat Mill Road Dowlais Merthyr Tydfil

    Received Not published
  18. Not publishedP/20/0094

    Variation of condition 1 attached to planning permission P/15/0105 (for the erection of a two storey building providing 17 two bedroom sheltered accommodation flats) to allow a further 5 years in which to commence development)

    Jah Jireh Care Home Heads Of The Valleys Road Merthyr Tydfil CF44 0LX

    Received Not published
  19. Not publishedP/20/0096

    Interpretation panel

    Land Adjacent To Lay-by On Road Between Bedlinog And Fochriw, Gelligaer And Merthyr Common

    Received Not published
  20. Not publishedP/20/0097

    Retrospective Change of Use from "B" Use Class to an Ice Cream Parlour "A3" Use Class (resubmision following refusal P/19/0295)

    10 & 11 Harlan Business Park Goat Mill Road Dowlais Merthyr Tydfil CF48 3TE

    Received Not published
  21. Not publishedP/20/0095

    Discharge of Condition 3 (retaining wall details) of planning permission P/19/0256 to reconstruct a collapsed retaining wall

    10 - 13 Hampton Street Twynyrodyn Merthyr Tydfil CF47 0RR

    Received Not published
  22. Not publishedP/20/0112

    First floor rear extension

    61 Yew Street Troedyrhiw Merthyr Tydfil CF48 4EB

    Received Not published
  23. Not publishedP/20/0102

    Change of use of property from a dwelling (Use Class C3) to a children's residential home (Use Class C2)

    16 The Park Treharris CF46 5RH

    Received Not published
  24. Not publishedP/20/0099

    Erect one bedroom bungalow

    Land To Rear Of 57-61 Ernest Street Warlow Street Merthyr Tydfil

    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