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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
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  • P/26/0066 Withdrawn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

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.

Trade members open them 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 500 metres

  • Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

    P/26/0066 Submitted 1 Apr 2026 0m 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 1m 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 15m 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 47m 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 53m 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 92m away

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

    Granted Conditions 5 docs

In Merthyr Tydfil

  • P/26/0079 Status unknown

    73 Nightingale Street Abercanaid Merthyr Tydfil CF48 1EJ

    Single storey rear extension and internal renovations

    13 Apr 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

    1 Apr 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.

    23 Mar 2026 Heritage and listed buildings
  • P/25/0229 Granted

    The Synagogue Church Street Merthyr Tydfil CF47 0ER

    Repair and restoration of the Grade II listed Synagogue and Grade II listed Primrose Hill to provide a Welsh Jewish Cultural Centre, with associated landscaping works on land to the north and east of the Synagogue, the erection of a bat roost house, plant enclosure and air source heat pump.

    21 Aug 2025 Heritage and listed buildings
  • P/25/0308 Granted

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

    Installation of a ventilation system and refurbishment of Joseph Parry Cottage including, sand blast floor and ceiling, decorate the walls, new rear door, new accessible toilet, new vinyl floor, refurbish all windows including secondary glazing and new re-lay flag stones

    24 Nov 2025 Heritage and listed buildings