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

2,650Searchable applications

0Recorded as pending

92%Approval rate · 2,383 approved or refused records

187Refused applications

2,196 approved · 187 refused · 100 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

Planning information Skip to main content Local plan Replacement Local Development Plan 2016-2031 Pre-application advice Pre-application Advice Conservation areas Conservation Areas Article 4 directions Article 4

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

Not publishedP/24/0174
Variation of conditions 2, 3, 4, 5 of planning permission P/23/0223 to reduce the size of the mezzanine within Unit 5b
Unit 5 Cyfarthfa Retail Park Swansea Road Merthyr Tydfil CF48 1HY
Received Not published
Not publishedP/24/0181
Install cladding on top half of front and side elevations
The Brunswick 5 Church Street Merthyr Tydfil CF47 0BW
Received Not published
Not publishedP/24/0182
Proposed raised rear balcony, alterations to fenestration and rear parking area
5 Edwardsville Treharris CF46 5NR
Received Not published
Not publishedP/24/0187
Variation of condition 8 (ecological enhancement) of planning permission P/24/0039 to extend the period of time to implement the ecological enhancement.
Feeder Pipe Bridge Off Tram Road Side Treharris CF46 5EF
Received Not published
Not publishedP/24/0179
Single storey and two storey rear extensions
17 Graig Terrace Bedlinog Treharris CF46 6SA
Received Not published
Not publishedP/24/0180
Demolition of existing rear two storey extension, single storey extensions and out building. Construction of two storey rear extension
18 Graig Terrace Bedlinog Treharris CF46 6SA
Received Not published
Not publishedP/24/0178
Increase ridge height to create new first floor, rear and side single storey extension and detached garage.
Park View Bungalow Merthyr Road Troedyrhiw
Received Not published
Not publishedP/24/0184
Change of use of first floor to create one residential flat
55 Glebeland Street Merthyr Tydfil CF47 8AT
Received Not published
Not publishedP/24/0206
Erect new shopfront; demolish part of rear kitchen extension and alter its flat roof to a sloping roof; erect three storey rear extension.
148 High Street Merthyr Tydfil CF47 8DP
Received Not published
Not publishedP/24/0170
Change of use to car wash and valet
Warehouse To The Rear Of The Kirkhouse Dynevor Street Georgetown
Received Not published
Not publishedP/24/0171
Conversion of dwelling and part of adjacent Ex Servicemens Club into a House of Multiple Occupancy (HMO) for a maximum of 5 persons
10 Lower High Street And Part Of Ex Servicemens Club Merthyr Tydfil CF47 8EB
Received Not published
Not publishedP/24/0183
Discharge of condition No 3 (biodiversity enhancement) of planning permission P/24/0136
8 Fir Tree Drive Quakers Yard Treharris CF46 5AY
Received Not published
Not publishedP/24/0173
Discharge of conditions 4 (Landscaping Scheme), 6 (Landscape Ecological Management Plan), 7 (Play Facilities), 10 (Lighting Scheme), 12 (Material Finishes), 16 (Electric Vehicle Charging), 19 (Retaining Works) and 24 (Drainage Scheme) of planning permission P/23/0053
Dragon Parc Abercanaid Merthyr Tydfil
Received Not published
Not publishedP/24/0175
Discharge of condition No 3 (biodiversity enhancement) of planning permission P/24/0112
The Yard Rear Of 1 Windsor Road Edwardsville Treharris CF46 5NR
Received Not published
Not publishedP/24/0176
Discharge of conditions 3 (Material Finishes), 4 (Site Investigation), 5 (Retaining Works), 6 (Habitat Management Plan) and 7 (Boundaries) of planning permission P/19/0270
Land Opposite Nos. 47 - 50 Mardy Street Twynyrodyn Merthyr Tydfil CF47 0LD
Received Not published
Not publishedP/24/0203
Single storey rear extension and replacement garage
13 West Grove Merthyr Tydfil CF47 8HJ
Received Not published
Not publishedP/24/0192
Replace existing side extension roof with a flat roof and glass roof panels, replace extension side windows and door, new window to front of study and replacement of side window of study and renew rendering
Llwyn-Yr-Eos House Llwyn-yr-eos Abercanaid Merthyr Tydfil CF48 1YR
Received Not published
Not publishedP/24/0188
Construct a three storey dwelling with attached garage and detached garden store
5 Cae Deri Heolgerrig CF48 1BY
Received Not published
Not publishedP/24/0210
Convert garage to additional living accommodation
12 River Avenue Trelewis Treharris Merthyr Tydfil CF46 6EF
Received Not published
Not publishedP/24/0196
Erection of Hydrogen Electrolyser Plant Facility (8 Megawatts) including associated storage containers, support infrastructure, CCTV, security fence and landscaping.
Land At Pengarnddu Industrial Estate Dowlais Merthyr Tydfil
Received Not published
Not publishedP/24/0209
Proposed use of part of the dwelling for a beauticians
13 Argyle Street Twynyrodyn Merthyr Tydfil CF47 0NS
Received Not published
Not publishedP/24/0191
Construction of new synthetic pitch and erection of associated fences, barriers and storage container. Erection of flood lighting around new synthetic pitch and existing running track.
Afon Taf High School Yew Street Troedyrhiw Merthyr Tydfil CF48 4ED
Received Not published
Not publishedP/24/0194
Change of use of the building from a community centre (D2) to education (D1)
Cefn Coed Community Centre Old Drill Hall Road Cefn Coed Merthyr Tydfil CF48 2NA
Received Not published
Not publishedP/24/0190
Discharge of conditions 3 (material finishes) and 7 (boundary treatment) of planning permission P/23/0197 relating to a residential development.
Land Adjoining (south Of) Swansea Road To The East Of Waunbant Court And North West Of Old Winchfawr Road Swansea Road 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.
UK research
Published 16 Jul 2026Updated 13 Sept 2026
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.
UK research
Published 6 Aug 2026Updated 13 Sept 2026
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.
UK research
Published 13 Aug 2026Updated 13 Sept 2026

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