Nant Helen Surface Mine Coelbren Neath Powys

This site has had 3 applications since 2023.

• 23/0694/RES Awaiting decision

  Nant Helen Surface Mine Coelbren Neath Powys

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

  Submitted 28 Apr 2023 Reserved matters
• 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

1. 28 Feb 2025

   Received by Powys

2. 3 Mar 2025

   Validated

   Checked as complete and ready for consideration.

3. 13 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 28 April 2025, 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 66 days over the applications it decided in the last year.

This application is with Powys for determination, against a statutory target of eight weeks. Over the last year Powys's median decision took 66 days. More in our guide to how long planning decisions take.

An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.

• Nant Helen Surface Mine Coelbren Neath Powys

  23/0694/RES Submitted 28 Apr 2023 150 yards away

  86% historically approved · decision due ~14 Aug

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

  Awaiting decision Reserved matters 21 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 200 yards 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 300 yards away

  87% 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

• 25/1076/OUT Refused

  New Dwelling At Ty Newydd Horeb Cefn Coch Welshpool Powys SY21 0AY

  Erection of a rural enterprise dwelling, creation of new vehicular access, installation of package treatment plant and associated works (all other matters reserved)

  Received 4 Aug, published by the council 29 Jul 2026 Outline
• P/26/1107/SO Awaiting decision

  Land at Lodge Farm, Three Cocks, Brecon, LD3 0SW

  Screening opinion under Regulation 6 of the Town & County Planning (Environmental Impact Assessment) (Wales) Regulations 2017 for a proposed solar farm development

  Received 23 Sep, published by the council 6 Oct 2026 Outline
• P/26/0270/OUT Withdrawn

  Plot at Brithdir Llanfyllin Powys SY22 5HD

  Outline consent for an affordable dwelling, including access creation and installation of a treatment plant and drainage mound (some matters reserved)

  Received 19 May, published by the council 28 Jul 2026 Outline
• P/26/0214/OUT Granted

  Land South of Grange Farm, Sarnau, Llanymynech, SY22 6QL

  Erection of a rural enterprise dwelling, detached garage, formation of new access, installation of a package treatment plant and associated works (all matters reserved except for means of access)

  Received 11 May, published by the council 28 Jul 2026 Outline
• P/26/0800/OUT Awaiting decision

  Land at Penrhos Barn, Penrhos, Llanymynech, SY22 6TF

  Construction of a rural enterprise dwelling and detached garage, installation of a package treatment plant, formation of a driveway and all associated works

  Received 7 Aug, published by the council 25 Aug 2026 Outline