Search Merthyr Tydfil County Borough Council planning applications

Search current and historic planning applications published by Merthyr Tydfil County Borough Council - 70 applications in the last 90 days across 5 towns and areas and 4 postcode districts. Filter applications by date, status, development type, or number of homes, view them on the map, or create a free alert for new applications.

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Source: Merthyr Tydfil County Borough Council·Updated daily·Last checked 7 Oct 2026

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Showing 50 of 70 applications
1 Oct 2026 Unknown P/26/0219

Summerfield 8 Pontsarn Close Pontsarn Merthyr Tydfil CF48 2TW

Remove conservatory and chimney; remove and replace the roof including increasing the ridge height of the property; construct a two-storey front exten...

Full Merthyr Tydfil
1 Oct 2026 Unknown P/26/0218

Unit E Pengarnddu Industrial Estate Dowlais Merthyr Tydfil CF48 2YF

Refurbish freestanding totem sign with replacement internally illuminated sign and repaint posts (Sign 1), one new non-illuminated directional sign on...

Advertisement Merthyr Tydfil
1 Oct 2026 Unknown P/26/0216

Joseph Parry's Cottage 4 Chapel Row Georgetown Merthyr Tydfil CF48 1BN

Partial discharge of condition 5 (method statement for installation of new kitchen) of planning permission P/25/0308 for the installation of a ventila...

Discharge of Condition Merthyr Tydfil
1 Oct 2026 Unknown P/26/0214

Former Treharris Rugby Club Perrott Street Treharris CF46 5ET

Conversion of rugby social club to provide 15 No. flats (Full) P/23/0080 variation of condition 2 approved plans

Non Material Amendment Merthyr Tydfil
30 Sept 2026 Unknown P/26/0217

Ysgol Rhyd Y Grug Primary School Aberfan Crescent Aberfan Merthyr Tydfil CF48 4NT

Discharge condition 3 (samples/details ) of planning permission P/25/0048.

Discharge of Condition Merthyr Tydfil
30 Sept 2026 Unknown P/26/0215

Land To The North Of The Heads Of The Valleys Road Off Rhymney Common Road Dowlais Merthyr Tydfil

Discharge of Condition 12 (Grease trap details) of planning permission P/25/0265

Discharge of Condition Merthyr Tydfil
29 Sept 2026 Unknown P/26/0213

22 Williamstown Merthyr Tydfil CF47 8PD

Demolish existing garage and shed and construct new detached garage

Full Merthyr Tydfil
25 Sept 2026 Unknown P/26/0211

63 Brecon Rise Pant Merthyr Tydfil CF48 2EE

Discharge of conditions 3 (Landscaping), 7 (Boundary treatments) and 10 (public sewer diversion) of planning permission P/25/0253

Discharge of Condition Merthyr Tydfil
24 Sept 2026 Unknown P/26/0212

Furnace Row Ash Road Troedyrhiw Merthyr Tydfil

Discharge of Condition3 of pllanning permission P/25/0199 Biodiversity

Discharge of Condition Merthyr Tydfil
23 Sept 2026 Unknown P/26/0176

36 Berry Square Dowlais Merthyr Tydfil CF48 3AL

Erection of two storey side extension, and the repositioning of parking area and vehicular entrance.

Full Merthyr Tydfil
22 Sept 2026 Unknown P/26/0208

Specsavers High Street Merthyr Tydfil CF47 8BY

Installation of additional 3 No. AC condensing units to flat roof services area.

Full Merthyr Tydfil
21 Sept 2026 Unknown P/26/0210

Land At Caersalem Chapel The Rise Pant Merthyr Tydfil

Demolition of the former Caersalem Chapel and the erection of 4 no. dwellings.

Full Merthyr Tydfil
21 Sept 2026 Unknown P/26/0209

Land At Six Bells Heolgerrig Merthyr Tydfil CF48 1TU

Discharge of conditions 3 (boundary Details), 4 (Landscaping Scheme) and 8 (Retaining Works) of planning permission P/25/0167 relating to a dwelling.

Discharge of Condition Merthyr Tydfil
19 Sept 2026 Unknown P/26/0185

Travel Inn Duffryn Road Pentrebach Merthyr Tydfil CF48 4BB

Provision of Bin Store and repositioning of cycle store/hoops.

Full Merthyr Tydfil
18 Sept 2026 Unknown P/26/0207

Land Adjacent To Lle Hyfryd Mount Pleasant Heolgerrig Merthyr Tydfil CF48 1RY

Discharge of condition 10 (site investigation and remediation) of planning permission P/24/0239

Discharge of Condition Merthyr Tydfil
18 Sept 2026 Unknown P/26/0206

1 Vulcan Court Vulcan Road Merthyr Tydfil CF47 8LZ

Discharge of condition 3 of listed buildings consent ref P/26/0153 (replacement door and frame details)

Discharge of Condition Merthyr Tydfil
18 Sept 2026 Unknown QP/26/0206

1 Vulcan Court Vulcan Road Merthyr Tydfil CF47 8LZ

Discharge of condition 3 of listed buildings consent ref P/26/0153 (replacement door and frame details)

Discharge of Condition Merthyr Tydfil
17 Sept 2026 Unknown P/26/0204

Park View Bungalow Penyard Road Merthyr Tydfil CF47 0HL

New detached garage and store

Full Merthyr Tydfil
17 Sept 2026 Unknown P/26/0205

Land Adjacent To Penydarren Social Club Alexandra Avenue Tramroad Lane Penydarren Merthyr Tydfil CF47 9AF

The erection of a convenience store (Class A1) with associated parking, landscaping, and replacement parking provision to serve the adjacent social cl...

Full Merthyr Tydfil
17 Sept 2026 Unknown P/26/0201

32 High Street Cefn Coed Merthyr Tydfil CF48 2PG

Change of use of house to three flats

Full Merthyr Tydfil
16 Sept 2026 Unknown P/26/0203

Land To The North Of The Heads Of The Valleys Road Off Rhymney Common Road Dowlais Merthyr Tydfil CF48 2YG

Discharge of Condition 19 (boundary treatments) of planning permission P/25/0265

Discharge of Condition Merthyr Tydfil
15 Sept 2026 Unknown P/26/0202

Ty Bryn Seion North Street Dowlais Merthyr Tydfil CF48 3SR

Non material amendment to planning permission P/24/0130 to change ecological mitigation from a 20mm fascia gap to 10 No. bat soffit boxes

Non Material Amendment Merthyr Tydfil
14 Sept 2026 Unknown P/26/0161

Cefn Fforest Farm Twynygarreg Treharris CF46 5RN

Lawful Development Certificate for proposed assorted extensions and works

Certificate of Lawfulness Merthyr Tydfil
10 Sept 2026 Unknown P/26/0200

Joseph Parry's Cottage 4 Chapel Row Georgetown Merthyr Tydfil CF48 1BN

Discharge of condition 3 (method statement for installation of mechanical ventilation system) of planning permission P/25/0308 for the installation of...

Discharge of Condition Merthyr Tydfil
10 Sept 2026 Approved 1 Oct P/26/0198

Land To The South Of Cyfarthfa Retail Park Swansea Road Merthyr Tydfil CF48 1HY

Non-material amendment to two EV charging spaces as standard parking spaces

Non Material Amendment Merthyr Tydfil
10 Sept 2026 Unknown P/26/0197

Rear Of Six Bells Heolgerrig Merthyr Tydfil CF48 1RP

Construction of four detached houses and new access road

Full Merthyr Tydfil
9 Sept 2026 Unknown P/26/0199

Deepdene Brewery Lane Cefn Coed Merthyr Tydfil CF48 2LP

Construct single storey extension to the side of the property

Full Merthyr Tydfil
9 Sept 2026 Unknown P/26/0195

Trefechan Nursery Rowan Rise Trefechan Merthyr Tydfil CF48 2EW

Demolition of existing nursery and erection of 4 No. three bedroom dwellings with access and parking

Full Merthyr Tydfil
9 Sept 2026 Unknown P/26/0196

12 Fairview Terrace Twynyrodyn Merthyr Tydfil CF47 0RL

Rear infill single storey extension, raise existing rear extension roof, and new doors to side elevation. Construction of detached garden room.

Full Merthyr Tydfil
9 Sept 2026 Unknown P/26/0194

114 High Street Merthyr Tydfil CF47 8AP

Change of use of ground floor to A3 use and 1st 2nd & 3rd floors to 2 self contained flats

Full Merthyr Tydfil
4 Sept 2026 Unknown P/26/0193

The Rose Retreat Spa Cyfarthfa Park Merthyr Tydfil CF47 8RE

Discharge of conditions 5 (historic environment mitigation) and 9 (Landscape and Ecological Management Plan) of planning permission P/26/0041

Discharge of Condition Merthyr Tydfil
4 Sept 2026 Unknown P/26/0192

Quakers Yard Railway Station Taff Vale Estate Edwardsville Treharris CF46 5NJ

Variation of conditions 1 and 3 of permission P/24/0033 to amend the landscaping scheme and works to the platform.

Removal/Variation of Condition Merthyr Tydfil
2 Sept 2026 Unknown P/26/0191

6 Holford Street Cefn Coed Merthyr Tydfil CF48 2RN

First Floor Extension above existing ground floor extension.

Full Merthyr Tydfil
2 Sept 2026 Approved 2 Oct P/26/0190

1 St Marys Close Merthyr Tydfil CF47 8YS

Erect a storm porch to front elevation and replacement of roof over study area

Full Merthyr Tydfil
25 Aug 2026 Unknown P/26/0189

National Grid Electricity Distribution South Wales Dowlais Grid Substation Pengarnddu Dowlais Merthyr Tydfil

Removal of the existing tower and installation of new tower with new antennas and transmission dishes, emergency back up generator, cable gantry, feed...

Full Merthyr Tydfil
25 Aug 2026 Approved 4 Sep P/26/0188

32 Cilhaul Treharris CF46 5HT

Non-material amendment to planning permission P/25/0336 to re-position the first floor en-suite window from the side elevation to the rear elevation

Non Material Amendment Merthyr Tydfil
24 Aug 2026 Approved 1 Sep P/26/0187

4 Chapel Row Georgetown Merthyr Tydfil CF48 1BN

Discharge of condition 9 (biodiversity enhancement) of planning permission P/25/0308 for the installation of a ventilation system and refurbishment of...

Discharge of Condition Merthyr Tydfil
20 Aug 2026 Approved 9 Sep P/26/0138

Ffostyll 18 The Hawthorns Pant Merthyr Tydfil CF48 2EJ

Demolish existing conservatory and construct a single storey rear extensions

Full Merthyr Tydfil
19 Aug 2026 Unknown P/26/0186

Land South Of Cyfarthfa Retail Park Swansea Road Merthyr Tydfil CF48 1HY

Installation of 3x fascia signs; a roof mounted projecting sign; a pole sign; a height barrier sign; exit, waiting bay and directional signs; a banner...

Advertisement Merthyr Tydfil
17 Aug 2026 Unknown P/26/0184

Evans Halshaw Ltd Pentrebach Road Merthyr Tydfil CF48 1YA

Display an array of adverts to the front and side of the premises

Advertisement Merthyr Tydfil
13 Aug 2026 Approved 3 Sep P/26/0183

Penrhadw Farm Vaynor Road Pontsticill Merthyr Tydfil CF48 2TU

Proposed refurbishment and expansion of existing guest accommodation and associated works

Referral by Adj. Authority Merthyr Tydfil
13 Aug 2026 Approved 22 Sep P/26/0181

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

Variation of condition 4 of planning permission P/25/0196 to indicate the maximum number of bed spaces accommodated within the care home shall not exc...

Removal/Variation of Condition Merthyr Tydfil
11 Aug 2026 Approved 25 Sep P/26/0182

Car Park Cyfarthfa Retail Park Swansea Road Merthyr Tydfil CF48 1HY

Two freestanding non-illuminated directional signs

Advertisement Merthyr Tydfil
11 Aug 2026 Approved 2 Oct P/26/0180

St Marys Roman Catholic Primary School Caedraw Road Merthyr Tydfil CF47 8HA

Widen existing vehicular access off Caedraw Road

Full Merthyr Tydfil
11 Aug 2026 Unknown P/26/0179

54 Council Street Penydarren Merthyr Tydfil CF47 9DJ

Install solar photo-voltaic panels on to the principal roof slope

Full Merthyr Tydfil
10 Aug 2026 Unknown P/26/0178

Land Adjacent To Hillcrest And Mitchell Crescent Penydarren Merthyr Tydfil

Discharge of conditions 12 (Ecological Enhancements) and 17 (Affordable Housing) of planning permission P/25/0223 relating to a residential developmen...

Discharge of Condition Merthyr Tydfil
7 Aug 2026 Unknown P/26/0177

Car Park Rear Of Civic Centre Glebeland Place Merthyr Tydfil CF47 8BH

Installation of solar photovoltaic car ports over part of the existing Abermorlais car park.

Full Merthyr Tydfil
5 Aug 2026 Approved 2 Sep P/26/0094

Welsh Assembly Government Rhydycar Business Park Merthyr Tydfil CF48 1UZ

Proposed installation of additional solar PV panels and associated infrastructure on the roof of the existing office building and energy centre buildi...

Full Merthyr Tydfil
31 Jul 2026 Approved 24 Aug P/26/0174

Car Park At Hornbeam Close Gurnos Merthyr Tydfil CF47 9BW

Discharge of condition 3 (landscaping scheme) of planning permission P/25/0285 The erection of Passivhaus modular residential units, laundry, bin stor...

Discharge of Condition Merthyr Tydfil
29 Jul 2026 Unknown P/26/0175

Land Adjacent To Hillcrest And Mitchell Crescent Penydarren Merthyr Tydfil

Discharge of conditions 4 (Construction Traffic Management Plan) and 11 (Construction Environment Management Plan) of planning permission P/25/0223 re...

Discharge of Condition Merthyr Tydfil
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Postcode districts in Merthyr Tydfil (4)
CF44CF46CF47CF48

Decisions in Merthyr Tydfil Full decision record →

48daysmedian to decide4 days faster than UK
70%decided within 8 weeksUK average
93%approved3 pts above UK
87of 366UK rank for speeddown 55 places on last year

181 decisions in the 12 months to September 2026 · 3% went to committee. Days run from validation to decision, the clock councils report against; Plota live figures.

Frequently asked questions

How long does Merthyr Tydfil County Borough Council take to decide a planning application?
Across the 181 applications Merthyr Tydfil County Borough Council decided in the last 12 months, the median time from validation to decision was 48 days, and 70% were decided within 8 weeks. The UK median over the same period is 52 days.
What proportion of planning applications does Merthyr Tydfil County Borough Council approve?
93% of the applications Merthyr Tydfil County Borough Council decided in the last 12 months were approved. Withdrawn applications are not counted as decisions.
Where does this planning application data come from?
Every application on this page comes from Merthyr Tydfil County Borough Council's public planning register (publicaccess.merthyr.gov.uk). Plota collects it, adds a map location and a category, and links each record back to the council's own entry, which is the authoritative version.
How often is this page updated?
Plota checks Merthyr Tydfil County Borough Council's register every day and adds new applications, status changes and decisions as the council publishes them. The register was last checked on 7 Oct 2026.
Where can I see the plans and documents for an application?
Plans, drawings and officer reports are held on Merthyr Tydfil County Borough Council's own website. Where the council publishes a document list, it appears on the application's page here with each item linking to the council's copy; otherwise the "View original council record" link on every application opens the council's entry.

About this data

Plota holds 249 current planning applications from Merthyr Tydfil County Borough Council, received since 1 Dec 2025, 70 of them in the last 90 days. Behind them, the Plota archive holds 3,516 earlier applications from Merthyr Tydfil County Borough Council, 2016 to 2025, searchable by location and keyword. Current records are collected from the council's public register at publicaccess.merthyr.gov.uk and checked every day; the last check was on 7 Oct 2026. Each record carries the council's reference, address, proposal, dates, status and decision, with a map location and Plota's classification by type and procedure added. The council's own record is the authoritative version; every entry here links to it.

Latest application from Merthyr Tydfil: 1 Oct 2026. We check the council's portal daily.