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Planning application

Penrhos Works, Caergybi/Holyhead

Granted Isle of Anglesey FPL/2023/189 Full

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

Proposal

Cais llawn ar gyfer adeiladu a gweithredu is-orsaf 132kV gydag isadeiledd cysylltiedig yn cynnwys ffensys, trac mynediad newydd a cheblau tanddaearol yn / Full application for the construction and operation of a 132kV substation with associated infrastructure, including fencing, new access track and underground cables at

As published by the council, reference FPL/2023/189

Application record

Reference
FPL/2023/189
Type
Full
Status
Permitted
Decision
Caniatáu / Permit
Received
12 Jul 2023
Validated
26 Jul 2023
Decided
25 Sep 2023
Ward
Tref Cybi
Parish
Holyhead
Decision by
Delegated

Site history

Applications at this address on the Isle of Anglesey register

This site has had 8 applications since 2023: 3 approved, 0 refused.

  • SCR/2025/57 Decided

    Penrhos Works, Caergybi/Holyhead

    Barn Sgrinio i ddiwygio amod (02) (cynlluniau a gymeradwywyd) o ganiatâd cynllunio rhif FPL/2023/189 (Adeiladu a gweithredu is-orsaf 132kV gydag isadeiledd cysylltiedig yn cynnwys ffensys, trac mynediad newydd a cheblau tanddaearol) er mwyn diwygio'r dyluniad yn / Screening opinion to vary condition (02) (approved plans) of planning permission reference FPL/2023/189 (Construction and operation of a 132kV substation with associated infrastructure, including fencing, new access track and underground cables) so as to amend the design at

    Decided 18 Dec 2025 Conditions
  • VAR/2025/57 Granted

    Penrhos Works, Caergybi/Holyhead

    Cais o dan Adran 73 i ddiwygio amod (02) (cynlluniau a gymeradwywyd) o ganiatâd cynllunio rhif FPL/2023/189 (Adeiladu a gweithredu is-orsaf 132kV gydag isadeiledd cysylltiedig yn cynnwys ffensys, trac mynediad newydd a cheblau tanddaearol) er mwyn diwygio'r dyluniad yn / Application under Section 73 to vary condition (02) (approved plans) of planning permission reference FPL/2023/189 (Construction and operation of a 132kV substation with associated infrastructure, including fencing, new access track and underground cables) so as to amend the design at

    Decided 12 Jan 2026 Conditions
  • MAO/2025/23 Withdrawn

    Penrhos Works, Caergybi / Holyhead.

    Mân newidiadau i gynllun sydd wedi ei ganiatáu yn flaenorol o dan ganiatád cynllunio FPL/2023/189 er mwyn newid uchder a gosodiad yr is-orsaf yn / Minor amendments to scheme previously approved under planning permission FPL/2023/189 so as to amend the height and layout of the substation at

    Decided 19 Nov 2025 Amendments
  • SCR/2023/61 Decided

    Penrhos Works, Caergybi/Holyhead.

    Barn Sgrinio ar gyfer System Storio Ynni Batri (BESS) a gwaith cysylltiedig yn / Screening Opinion Outline for a Battery Energy Storage System (BESS) together with associated development at

    Decided 14 Dec 2023 Outline
  • SCR/2023/57 Decided

    Penrhos Works, Caergybi/Holyhead.

    Barn sgrinio ar gyfer bennu os oes angen caniatâd blaenorol ar gyfer dymchwel adeiladau a simne yn / Screening Opinion to determine whether prior approval is required for the demolition of buildings and a chimney stack at

    Decided 2 Nov 2023 Outline
  • DEM/2023/6 Granted

    Penrhos Works, Caergybi/Holyhead.

    Cais i bennu os oes angen caniatâd blaenorol ar gyfer dymchwel adeiladau a simne yn / Application to determine whether prior approval is required for the demolition of buildings and a chimney stack at

    Decided 2 Nov 2023 Outline
  • SCR/2023/53 Decided

    Penrhos Works, Caergybi/Holyhead

    Barn sgrinio ar gyfer adeiladu a gweithredu is-orsaf 132kV gydag isadeiledd cysylltiedig yn cynnwys ffensys, trac mynediad newydd a cheblau tanddaearol yn / Screening opinion for the construction and operation of a 132kV substation with associated infrastructure, including fencing, new access track and underground cables at

    Decided 25 Sep 2023 Outline

Timeline

Dates from the published record

  1. 12 Jul 2023

    Received by Isle of Anglesey

  2. 26 Jul 2023

    Validated

    Checked as complete and ready for consideration.

  3. 25 Sep 2023

    Decision issued: Caniatáu / Permit

  4. 19 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

3 later applications on the register refer to this one:

  • SCR/2025/57 Decided

    Penrhos Works, Caergybi/Holyhead

    Barn Sgrinio i ddiwygio amod (02) (cynlluniau a gymeradwywyd) o ganiatâd cynllunio rhif FPL/2023/189 (Adeiladu a gweithredu is-orsaf 132kV gydag isadeiledd cysylltiedig yn cynnwys ffensys, trac mynediad newydd a cheblau tanddaearol) er mwyn diwygio'r dyluniad yn / Screening opinion to vary condition (02) (approved plans) of planning permission reference FPL/2023/189 (Construction and operation of a 132kV substation with associated infrastructure, including fencing, new access track and underground cables) so as to amend the design at

    Decided 18 Dec 2025 Conditions
  • VAR/2025/57 Granted

    Penrhos Works, Caergybi/Holyhead

    Cais o dan Adran 73 i ddiwygio amod (02) (cynlluniau a gymeradwywyd) o ganiatâd cynllunio rhif FPL/2023/189 (Adeiladu a gweithredu is-orsaf 132kV gydag isadeiledd cysylltiedig yn cynnwys ffensys, trac mynediad newydd a cheblau tanddaearol) er mwyn diwygio'r dyluniad yn / Application under Section 73 to vary condition (02) (approved plans) of planning permission reference FPL/2023/189 (Construction and operation of a 132kV substation with associated infrastructure, including fencing, new access track and underground cables) so as to amend the design at

    Decided 12 Jan 2026 Conditions
  • MAO/2025/23 Withdrawn

    Penrhos Works, Caergybi / Holyhead.

    Mân newidiadau i gynllun sydd wedi ei ganiatáu yn flaenorol o dan ganiatád cynllunio FPL/2023/189 er mwyn newid uchder a gosodiad yr is-orsaf yn / Minor amendments to scheme previously approved under planning permission FPL/2023/189 so as to amend the height and layout of the substation at

    Decided 19 Nov 2025 Amendments

Documents

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

15 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

Isle of Anglesey granted permission on 25 September 2023, 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 full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • Penrhos Works, Caergybi/Holyhead

    SCR/2023/53 Submitted 25 Sep 2023 0m away

    Barn sgrinio ar gyfer adeiladu a gweithredu is-orsaf 132kV gydag isadeiledd cysylltiedig yn cynnwys ffensys, trac mynediad newydd a cheblau tanddaearol yn / Screening opinion for the construction and operation of a 132kV substation with associated infrastructure, including fencing, new access track and underground cables at

    Decided Outline

  • Penrhos Works, Caergybi / Holyhead.

    MAO/2025/23 Submitted 5 Nov 2025 0m away

    Mân newidiadau i gynllun sydd wedi ei ganiatáu yn flaenorol o dan ganiatád cynllunio FPL/2023/189 er mwyn newid uchder a gosodiad yr is-orsaf yn / Minor amendments to scheme previously approved under planning permission FPL/2023/189 so as to amend the height and layout of the substation at

    Withdrawn Amendments 6 docs

  • Aluminium Powder Co, London Road, Caergybi / Holyhead.

    SCR/2025/56 Submitted 25 Nov 2025 331m away

    Barn sgrinio ar gyfer estyniad i'r bloc cawod / newid presennol yn / Screening opinion for an extension to the existing shower / changing block at

    Decided Outline Extension 8 docs

  • Aluminium Powder Co, London Road, Caergybi / Holyhead.

    FPL/2025/286 Submitted 25 Nov 2025 331m away

    Cais llawn ar gyfer estyniad i'r bloc cawod / newid presennol yn / Full application for an extension to the existing shower / changing block at

    Granted Full applications Extension 8 docs

  • Aluminium Powder Co, London Road Caergybi/Holyhead

    FPL/2022/122 Submitted 4 May 2022 331m away

    Cais llawn a'r gyfer dymchwel estyniad croes presennol ac adeiladu estyniad newydd i dŷ cywasgu presennol yn / Full application for the demolition of existing lean-too extension and construction of new extension to an existing compressor house.

    Granted Full applications Extension Demolition 8 docs

  • Penrhos Works, Caergybi/Holyhead.

    SCR/2023/61 Submitted 23 Nov 2023 431m away

    Barn Sgrinio ar gyfer System Storio Ynni Batri (BESS) a gwaith cysylltiedig yn / Screening Opinion Outline for a Battery Energy Storage System (BESS) together with associated development at

    Decided Outline

In Isle of Anglesey

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    17 Apr 2026 Full applications
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    31 Mar 2026 Full applications
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    Cais llawn ar gyfer dymchwel yr adeilad tair llawr presennol ac adeiladu adeilad tair llawr yn ei le sy'n cynnwys chwe fflat preswyl ac uned fwyd a diod ar y llawr gwaelod â maes parcio cysylltiedig yn / Full application for demolition of the existing three-storey building and the construction of a replacement three-storey building comprising six residential flats and a ground floor food and beverage unit with associated car parking at

    23 Feb 2026 Full applications
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    Pen Bryn Uchaf, Lon Pentracha, Gwalchmai.

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    18 Feb 2026 Full applications
  • FPL/2025/285 Granted

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