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Planning application

Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

Granted Merthyr Tydfil P/25/0330 Listed Building Consent

Works: Windows or glazing

Permission granted. Work must normally begin within five years of the decision or the permission lapses.

Proposal

Works to the roof to include new walkways, fixed ladder access, new insulation and associated parapet and clerestory windows. Installation of new gutters and replacement of rainwater goods. Works to external elevation to include replacement windows, new doors and repair or replacement of lintels. Internal works to include the installation of new steel beams, repairs to timber reinforcements, new loft access hatch and bat boxes and minor revisions to the approve drainage scheme

As published by the council, reference P/25/0330

Application record

Reference
P/25/0330
Type
Listed Building Consent
Status
Permitted
Decision
Granted As published: Listed Building Approval
Received
12 Dec 2025
Validated
12 Dec 2025
Decided
15 Jun 2026
Ward
PARK
Decision by
Delegated Decision
Postcode
CF47 8RE

Site history

Applications at this address on the Merthyr Tydfil register

This site has had 8 applications since 2025: 7 approved, 0 refused.

  • P/26/0066 Withdrawn

    Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    Works to the roof to include new walkways, fixed ladder access, new insulation and associated parapet and clerestory windows. Installation of new gutters and replacement of rainwater goods. Works to external elevation to include replacement windows, new doors and repair or replacement of lintels. Internal works to include the installation of new steel beams, repairs to timber reinforcements, new loft access hatch and bat boxes and minor revisions to the approved drainage scheme

    Decided 10 Apr 2026 Heritage and listed buildings
  • P/26/0063 Granted

    Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    Discharge of condition 3 details of cabling routes of planning permission P/25/0272

    Decided 27 Apr 2026 Conditions
  • P/25/0283 Granted

    Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    Discharge of Condition 5 CEMP of planning permission P25/0178

    Decided 31 Oct 2025 Conditions
  • P/25/0284 Granted

    Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    Discharge of condition 5 of planning permission P/25/0087

    Decided 31 Oct 2025 Conditions
  • P/25/0249 Granted

    Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    Discharge of conditions 3 Archaeologist and 4 WPP

    Decided 14 Nov 2025 Conditions
  • P/25/0272 Granted

    Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    The proposed works comprise: - Refurbishment of main WCs and secondary, currently disused, WCs. - Upgrades to and expansion of CCTV provision internally. - Upgrades to 2 no. external CCTV cameras - existing fixings to be reused. - Introduction of improved and more energy efficient exhibition lighting. - Installation of Wi-Fi throughout the museum spaces

    Decided 22 Dec 2025 Heritage and listed buildings
  • P/25/0248 Granted

    Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    Discharge of condition 3 of permission P/25/0087 nominated archaeologist

    Decided 23 Oct 2025 Conditions

Timeline

Dates from the published record

  1. 12 Dec 2025

    Received by Merthyr Tydfil

  2. 15 Jun 2026

    Decision issued: Listed Building Approval

  3. 28 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • Application: P/00/0424
  • Application: P/10/0009
  • Application: P/12/0268
  • Application: P/12/0270
  • Application: P/12/0293
  • Application: P/12/0294
  • Application: P/12/0309
  • Application: P/12/0310
  • Application: P/13/0354
  • Application: P/13/0355
  • Application: P/16/0063
  • Application: P/17/0173
  • Application: P/17/0317
  • Application: P/22/0055
  • Application: P/23/0051
  • Application: P/25/0086
  • Application: P/25/0087
  • Application: P/25/0178
  • Application: P/25/0203
  • Application: P/25/0248
  • Application: P/25/0249
  • Application: P/25/0272
  • Application: P/25/0283
  • Application: P/25/0284

Documents

Plans, drawings, consultee responses and the officer's report

41 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Merthyr Tydfil granted permission on 15 June 2026, subject to any conditions on the decision notice. Work must normally begin within five years or the permission lapses. More in our guide to what happens after a planning decision.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    P/26/0066 Submitted 1 Apr 2026 50 yards away

    Works to the roof to include new walkways, fixed ladder access, new insulation and associated parapet and clerestory windows. Installation of new gutters and replacement of rainwater goods. Works to external elevation to include replacement windows, new doors and repair or replacement of lintels. Internal works to include the installation of new steel beams, repairs to timber reinforcements, new loft access hatch and bat boxes and minor revisions to the approved drainage scheme

    Withdrawn Heritage and listed buildings Windows or glazing 26 docs

  • Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    P/26/0063 Submitted 24 Mar 2026 50 yards away

    Discharge of condition 3 details of cabling routes of planning permission P/25/0272

    Granted Conditions 7 docs

  • Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    P/25/0272 Submitted 16 Oct 2025 50 yards away

    The proposed works comprise: - Refurbishment of main WCs and secondary, currently disused, WCs. - Upgrades to and expansion of CCTV provision internally. - Upgrades to 2 no. external CCTV cameras - existing fixings to be reused. - Introduction of improved and more energy efficient exhibition lighting. - Installation of Wi-Fi throughout the museum spaces

    Granted Heritage and listed buildings 18 docs

  • Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    P/25/0249 Submitted 23 Oct 2025 50 yards away

    Discharge of conditions 3 Archaeologist and 4 WPP

    Granted Conditions 8 docs

  • Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    P/25/0283 Submitted 30 Oct 2025 50 yards away

    Discharge of Condition 5 CEMP of planning permission P25/0178

    Granted Conditions 5 docs

  • Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    P/25/0284 Submitted 30 Oct 2025 100 yards away

    Discharge of condition 5 of planning permission P/25/0087

    Granted Conditions 5 docs

In Merthyr Tydfil

  • P/26/0159 Status unknown

    Pentrebach House Duffryn Road Pentrebach Merthyr Tydfil CF48 4BB

    Internal and external refurbishment works to include new lighting, repair works, siting of new walk in unit, new enclosures and other associated works (LBC)

    Received 14 Jul, published by the council 28 Jul 2026 Heritage and listed buildings
  • P/26/0134 Status unknown

    Pandy Farm Brecon Road Merthyr Tydfil CF47 8PA

    The change of use and extension to the building complex to create six units of holiday accommodation, along with internal and external works, the creation of a carpark and associated engineering and landscaping works.

    Received 17 Jun, published by the council 28 Jul 2026 Heritage and listed buildings
  • P/26/0079 Status unknown

    73 Nightingale Street Abercanaid Merthyr Tydfil CF48 1EJ

    Single storey rear extension and internal renovations

    Received 13 Apr, published by the council 28 Jul 2026 Heritage and listed buildings
  • P/26/0066 Withdrawn

    Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    Works to the roof to include new walkways, fixed ladder access, new insulation and associated parapet and clerestory windows. Installation of new gutters and replacement of rainwater goods. Works to external elevation to include replacement windows, new doors and repair or replacement of lintels. Internal works to include the installation of new steel beams, repairs to timber reinforcements, new loft access hatch and bat boxes and minor revisions to the approved drainage scheme

    Received 1 Apr, published by the council 28 Jul 2026 Heritage and listed buildings
  • P/26/0058 Status unknown

    Canolfan Soar Pontmorlais High Street Merthyr Tydfil CF47 8UB

    Creation of a new entrance on the northern elevation, together with replacement sash windows, installation of new external timber doors and renovation of the rendered elevations. Refurbishment of the basement level, including waterproofing of walls and floor, installation of new floor slabs and associated reconfiguration of the internal spaces and installation of a moveable acoustic wall/screen.

    Received 23 Mar, published by the council 28 Jul 2026 Heritage and listed buildings