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Planning application

Nant Helen Surface Mine Coelbren Neath Powys

Awaiting decision Powys 23/0694/RES Approval of reserved matters

Relates to 21/0559/OUT

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Application for the approval of reserved matters (landscaping, layout and appearance - track and substation only) in respect of phase 1a of 21/0559/OUT

As published by the council, reference 23/0694/RES

Application record

Reference
23/0694/RES
Type
Approval of reserved matters
Status
Under Consultation
Received
28 Apr 2023
Validated
19 Jun 2023
Ward
Tawe-Uchaf ED
Parish
Tawe-Uchaf Community
Decision by
Delegated Decision

Site history

Applications at this address on the Powys register

This site has had 3 applications since 2023.

  • 25/0320/SO Awaiting decision

    Nant Helen Surface Mine Coelbren Neath Powys

    EIA Screening Opinion under Regulation 6(1) of Town & County Planning (Environmental Impact Assessment) (Wales) Regulations 2017 in relation to a Section 73 application seeking to vary conditions associated with the approved planning permission 19/1899/REM (alterations to the restoration strategy)

    Submitted 28 Feb 2025 Outline
  • 23/0693/DIS Awaiting decision

    Nant Helen Surface Mine Coelbren Neath Powys

    Application to discharge conditions 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 34, 38, 41, 43, 51 and 53 in respect fof phase 1a of 21/0559/OUT

    Submitted 28 Apr 2023 Conditions

Timeline

Dates from the published record

  1. 28 Apr 2023

    Received by Powys

  2. 19 Jun 2023

    Validated

    Checked as complete and ready for consideration.

  3. 13 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 14 August 2023, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Powys took a median of 62 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 21/0559/OUT Granted

    Land At And Surrounding Nant Helen Open Cast Coal Site, Powys And Onllwyn Distribution Centre, Neath Port Talbot

    Development of a Global Centre of Rail Excellence, comprising of two test tracks of loop configuration being an electrified high speed rolling stock test track of 6.9km in length and an electrified low speed infrastructure test track of 4.5km, with overhead line equipment (OLE) and dual platform station test environment; together with operations and control offices (including staff accommodation and welfare), shunter cabins (2 no.), research and development, education and training, rolling stock storage sidings and maintenance/cleaning/decommissioning facilities; associated, drainage, internal vehicular accesses, branch line rail connection, staff and visitor car parking, lighting, electrical infrastructure (including substations and lineside shore supplies and transformers), fencing (perimeter security, acoustic and stock proof), land reformation and hard and soft landscaping, together with demolition of existing buildings/structures (cross-boundary application - see Neath Port Talbot Application ref P2021/0327

    Decided 5 Aug 2021 Outline

Who's behind it

Company information only, from the register and Companies House

Agent on file

71 applications on PlanIndex · across 38 councils · 94% granted

Trade members see who it is, their full track record, and every application they have filed.

See who's behind it

Documents

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

21 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 happens while it is decided

This application is with Powys for determination, against a statutory target of eight weeks. Over the last year Powys's median decision took 62 days. More in our guide to how long planning decisions take.

About reserved matters applications

A reserved matters application fills in the detail held back from an earlier outline permission, judged against that permission rather than the principle of development. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • Nant Helen Surface Mine Coelbren Neath Powys

    25/0320/SO Submitted 28 Feb 2025 142m away

    86% historically approved · decision due ~28 Apr

    EIA Screening Opinion under Regulation 6(1) of Town & County Planning (Environmental Impact Assessment) (Wales) Regulations 2017 in relation to a Section 73 application seeking to vary conditions associated with the approved planning permission 19/1899/REM (alterations to the restoration strategy)

    Awaiting decision Outline 7 docs

  • Land At And Surrounding Nant Helen Open Cast Coal Site, Powys And Onllwyn Distribution Centre, Neath Port Talbot

    21/0559/OUT Submitted 24 Mar 2021 152m away

    Development of a Global Centre of Rail Excellence, comprising of two test tracks of loop configuration being an electrified high speed rolling stock test track of 6.9km in length and an electrified low speed infrastructure test track of 4.5km, with overhead line equipment (OLE) and dual platform station test environment; together with operations and control offices (including staff accommodation and welfare), shunter cabins (2 no.), research and development, education and training, rolling stock storage sidings and maintenance/cleaning/decommissioning facilities; associated, drainage, internal vehicular accesses, branch line rail connection, staff and visitor car parking, lighting, electrical infrastructure (including substations and lineside shore supplies and transformers), fencing (perimeter security, acoustic and stock proof), land reformation and hard and soft landscaping, together with demolition of existing buildings/structures (cross-boundary application - see Neath Port Talbot Application ref P2021/0327

    Granted Outline Demolition 265 docs

  • Nant Helen Surface Mine Coelbren Neath Powys

    23/0693/DIS Submitted 28 Apr 2023 341m away

    86% historically approved · decision due ~20 Jul

    Application to discharge conditions 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 34, 38, 41, 43, 51 and 53 in respect fof phase 1a of 21/0559/OUT

    Awaiting decision Conditions 38 docs

In Powys

  • 26/0218/RES Granted

    Crimond Nursery Welshpool Powys SY21 8QB

    Reserved matters for details of appearance, landscaping, layout and scale in connection with outline approval of 2 dwellings ref 25/0356/OUT

    23 Feb 2026 Reserved matters
  • 25/1492/RES Granted

    Development At Land Adjoining Fir House Churchstoke Montgomery Powys

    Reserved matters (appearance, landscaping, layout and scale) in respect of outline approval 23/1795/REM for the erection of 38 social rent dwellings and associated works

    21 Oct 2025 Reserved matters
  • 26/0308/RES Granted

    Hendre Boeth Llansantffraid-ym-mechain Powys SY22 6TJ

    Application for reserved matters following the approval of 24/0140/OUT for the erection of a rural enterprise dwelling and detached garage, new access road, installation of sewage treatment plant and all associated works

    12 Mar 2026 Reserved matters
  • 26/0009/RES Granted

    Development At Argae Fields New Mills Newtown Powys

    Reserved matters application in respect of outline planning permission 24/0553/OUT for the erection of an agricultural worker's dwelling, installation of a package treatment plant and all associated works

    19 Dec 2025 Reserved matters
  • 25/1708/RES Withdrawn

    Crimond Nursery Refail Welshpool SY21 8QB

    Reserved matters for details of appearance, landscaping, layout and scale in connection with outline approval of 2 dwellings ref 25/0356/OUT

    25 Nov 2025 Reserved matters