Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
Council planning record
Land at and surrounding the Nant Helen Surface Mine site, Powys and Onllwyn Distribution Centre, Neath Port Talbot
Last published check: 3 Oct 2026, 17:38. Check the council record for more recent changes.
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Council sourceA published target or deadline. It does not confirm an outcome.
Council sourceDetails pursuant to the discharge of conditions for Phase 1A only in respect of 08 (External materials), 09 (Fencing), 11 (CEMP), 13 (ecological protection plan), 15 (wildlife corridors), 19 (phase biodiversity plan), 25 (sewer protection), 26 (hard and soft landscaping), 27 (site investigation), 37 (air quality), 41 & 45 (noise), 56 (lighting scheme) and 59 (signage). Together with details pursuant to the discharge of site wide conditions in respect of 12 (CMP & traffic management), 14 (Site wide wildlife corridors), 16 (reptile mitigation strategy), 17 (barn owl compensation), 18 (strategic biodiversity plan), 21, 22 & 23 (land contamination and remediation), 28 (landscape management and maintenance plan), 29 (dark skies lighting assessment), 30 (Energy Strategy), 31 (waste management plan), 48 (junction traffic management) and 52 (coal mining remedial works) of planning permission P2021/0327 relating to development of the global centre of rail excellence. (Amended description- Additional Info submitted)
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Sign in to view collected detailsLand at and surrounding the Nant Helen Surface Mine site, Powys and Onllwyn Distribution Centre, Neath Port Talbot
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View council map| Document | Published | Action |
|---|---|---|
| CG3500Supporting Document | Not published | View |
| Appendix 10C - Operational and Construction assessment detail, assumptions and limitationsSupporting Document | Not published | View |
| ES Chapter 10 Noise and Vibration IssueSupporting Document | Not published | View |
| Figure 10.1 Noise Emissions DaySupporting Document | Not published | View |
| Figure 10.3 Noise Emissions NightSupporting Document | Not published | View |
| Figure 10.4 Noise mitigation cross-sectionsSupporting Document | Not published | View |
| Figure 10.2 Noise Emissions EveningSupporting Document | Not published | View |
| Appendix 10B - Policy, criteria and consultationSupporting Document | Not published | View |
| Figure 1.1 Redline Boundary PlanSupporting Document | Not published | View |
| Appendix 10A - Noise Survey and baselineSupporting Document | Not published | View |
| Figure 1.1 Redline Boundary PlanSupporting Document | Not published | View |
| CG3500Supporting Document | Not published | View |
| Figure 14.1 Modelled SourcesSupporting Document | Not published | View |
| Figure 14.4 Construction DustSupporting Document | Not published | View |
| Figure 14.2 Designated HabitatsSupporting Document | Not published | View |
| Figure 14.3 Ecological ReceptorsSupporting Document | Not published | View |
| GCRE-P-TN-01 Technical Note AIr QualitySupporting Document | Not published | View |
| Appendix 14A - Air quality construction dust methodologySupporting Document | Not published | View |
| ES Chapter 14 Air Quality IssueSupporting Document | Not published | View |
| GCRE OUTLINE PERMISSIONDecision | Not published | View |
| Condition 15 20230531_P21-913 Global Centre of Rail Excellence P1A Wildlife Corridor Scheme_optSupporting Document | Not published | View |
| Condition 52 Coal Mining Planning Overview Rev 1.1Drawings - Plans | Not published | View |
| CONDITION 14 20230531_P21-913 Global Centre of Rail Excellence Wildlife Connectivity Strategy_optSupporting Document | Not published | View |
| cond 29 LD-GCRE-PH1 Lighting Design Review - Observations for ReviewSupporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part44Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part39Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part38Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part45Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part35Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part34Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part24Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part33Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part20Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part16Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part10Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part5Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part7Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part8Supporting Document | Not published | View |
| OW181.P.06.PP.P01_Proposed Planting Plan Area 06Drawings - Plans | Not published | View |
| OW181.P.07.PP.P01_Proposed Planting Plan Area 07Drawings - Plans | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part16Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part2Supporting Document | Not published | View |
| GCRE_Strategic Biodiversity Plan - Final_reduced (RED)_Part4Supporting Document | Not published | View |
| GCRE001-ARC-XX-SO-DR-BE-00001Drawings - Plans | Not published | View |
| GCRE001-ARC-XX-SO-DR-BE-00003Drawings - Plans | Not published | View |
| GCRE_Strategic Biodiversity Plan - Final_reduced (RED)_Part3Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part25Supporting Document | Not published | View |
| GCRE_CEMP_Phase1ASupporting Document | Not published | View |
| GCRE Site Wide Energy StrategySupporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part24Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part14Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part17Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part8Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part11Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part5Supporting Document | Not published | View |
| GCRE001-ARC-XX-SO-DR-BE-00003Drawings - Plans | Not published | View |
| Phase 1A Earthworks General ArrangementDrawings - Plans | Not published | View |
| OW181.S.01.SW.P02_Landscape Section 01 SwaleDrawings - Plans | Not published | View |
| OW181.P.00.LP.P01_Proposed Soft Landscape PlanDrawings - Plans | Not published | View |
| OW181.P.04.PP.P01_Proposed Planting Plan Area 04Drawings - Plans | Not published | View |
| OW181.Doc01.PS.P01_Trees & Planting ScheduleSupporting Document | Not published | View |
| cond 29 LD-GCRE-PH1 Sidings Worst-Case RELUX Lighting Calculation Illuminance TablesSupporting Document | Not published | View |
| cond 29 LD-GCRE-PH1 Sidings Typical Case RELUX Lighting Calculation Illuminance TablesSupporting Document | Not published | View |
| cond 29 LD-GCRE-PH1 Sidings RELUX Lighting PointsSupporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part1Supporting Document | Not published | View |
| LD-GCRE-PH1 Sidings Worst-Case RELUX Lighting Calculation Illuminance TablesSupporting Document | Not published | View |
| OW181.Doc02.MS.P02_Soft Landscape Management & Maintenance PlanSupporting Document | Not published | View |
| LD-GCRE-PH1 Sidings Typical Case RELUX Lighting Calculation Illuminance TablesSupporting Document | Not published | View |
| OW181.P.00.LP.P01_Proposed Soft Landscape PlanDrawings - Plans | Not published | View |
| OW181.Doc01.PS.P01_Trees & Planting ScheduleSupporting Document | Not published | View |
| OW181.P.04.PP.P01_Proposed Planting Plan Area 04Drawings - Plans | Not published | View |
| LD-GCRE-PH1 Sidings RELUX Lighting PointsSupporting Document | Not published | View |
| OW181.S.01.SW.P02_Landscape Section 01 SwaleDrawings - Plans | Not published | View |
| OW181.S.02.RP.P01_Landscape Section 02 & 03 Retention PondDrawings - Plans | Not published | View |
| OW181.P.06.PP.P01_Proposed Planting Plan Area 06Drawings - Plans | Not published | View |
| OW181.P.10.MS.P01_Soft Landscape Maintenance ScheduleSupporting Document | Not published | View |
| OW181.P.03.PP.P01_Proposed Planting Plan Area 03Drawings - Plans | Not published | View |
| OW181.P.05.PP.P01_Proposed Planting Plan Area 05Drawings - Plans | Not published | View |
| Post and Wire Fencing DetailDrawings - Plans | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part17Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part8Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part2Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part6Supporting Document | Not published | View |
| 1A Remediation Method Statement P03 (RED)Supporting Document | Not published | View |
| Construction Management Plan Phase 1aSupporting Document | Not published | View |
| Access Gates Typical DetailDrawings - Plans | Not published | View |
| FencingDrawings - Plans | Not published | View |
| GCRE001-ARC-XX-SO-DR-BE-00001Drawings - Plans | Not published | View |
| OW181.P.07.PP.P01_Proposed Planting Plan Area 07Drawings - Plans | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part41Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part12Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part11Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part6Supporting Document | Not published | View |
| LD-GCRE-PH1 Lighting Design Review Image Pack PresentationSupporting Document | Not published | View |
| OW181.P.02.PP.P01_Proposed Planting Plan Area 02Drawings - Plans | Not published | View |
| Security Fence Typical DetailDrawings - Plans | Not published | View |
| Site Waste Management PlanSupporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part14Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part4Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part1Supporting Document | Not published | View |
| GCRE_Strategic Biodiversity Plan - Final_reduced (RED)_Part5Supporting Document | Not published | View |
| GCRE001-ARC-XX-SO-DR-BE-00002Drawings - Plans | Not published | View |
| GCRE_Strategic Biodiversity Plan - Final_reduced (RED)_Part6Supporting Document | Not published | View |
| GCRE001-ARC-XX-SO-DR-BE-00004Drawings - Plans | Not published | View |
| GCRE_CEMP_Phase1A,_AppendicesSupporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part28Supporting Document | Not published | View |
| GCRE_ Drainage and Earthwork DrgsDrawings - Plans | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part18Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part15Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part21Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part13Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part10Supporting Document | Not published | View |
| Ecological Protection Plan_DM (RED)Supporting Document | Not published | View |
| Barn Owl Conservation Strategy_002.1Supporting Document | Not published | View |
| Cover Letter DoC phase 1a NPTSupporting Document | Not published | View |
| GCRE001-ARC-XX-XX-DR-BE-00001Supporting Document | Not published | View |
| OW181.P.05.PP.P01_Proposed Planting Plan Area 05Drawings - Plans | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part43Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part40Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part27Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part29Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part32Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part23Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part19Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part21Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part14Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part13Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part9Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part4Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part3Supporting Document | Not published | View |
| LD-GCRE-PH1 Lighting Design Review ReportSupporting Document | Not published | View |
| LD-GCRE-PH1 Sidings Typical Case RELUX Lighting Calculations ReportSupporting Document | Not published | View |
| OW181.P.05.PP.P01_Proposed Planting Plan Area 05Drawings - Plans | Not published | View |
| LD-GCRE-PH1 Sidings Worst Case RELUX Calculation PointsSupporting Document | Not published | View |
| LD-GCRE-PH1 Sidings Typical Case RELUX Calculation PointsSupporting Document | Not published | View |
| OW181.P.01.PP.P01_Proposed Planting Plan Area 01Drawings - Plans | Not published | View |
| LD-GCRE-PH1 Lighting Design Review Report Cover LetterSupporting Document | Not published | View |
| Phase Biodiversity Plan_Phase 1a CM_FinalSupporting Document | Not published | View |
| OW181.P.02.PP.P01_Proposed Planting Plan Area 02Drawings - Plans | Not published | View |
| Phase 1A_Reptile Mitigation Strategy_Final_reducedSupporting Document | Not published | View |
| OW181.P.07.PP.P01_Proposed Planting Plan Area 07Drawings - Plans | Not published | View |
| Phase 1A Earthworks Plateau Cut &Fill Heat MapDrawings - Plans | Not published | View |
| OW181.P.01.PP.P01_Proposed Planting Plan Area 01Drawings - Plans | Not published | View |
| Traffic Management Plan Phase 1aSupporting Document | Not published | View |
| Sub Station Building Phase1ADrawings - Plans | Not published | View |
| Technical Note Air QualitySupporting Document | Not published | View |
| Site Location Plan NPTLocation Plan | Not published | View |
| Protection to Sewers Rev_2Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part15Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part12Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part9Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part7Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part6Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part5Supporting Document | Not published | View |
| GCRE_Strategic Biodiversity Plan - Final_reduced (RED)_Part2Supporting Document | Not published | View |
| GCRE001-ARC-XX-XX-DR-BE-00001Drawings - Plans | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part29Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part26Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part19Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part23Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part22Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part12Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part4Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part7Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part1Supporting Document | Not published | View |
| GCRE001-ARC-XX-SO-DR-BE-00002Drawings - Plans | Not published | View |
| GCRE001-ARC-XX-SO-DR-BE-00004Drawings - Plans | Not published | View |
| OW181.P.02.PP.P01_Proposed Planting Plan Area 02Drawings - Plans | Not published | View |
| OW181.Doc02.MS.P02_Soft Landscape Management & Maintenance PlanSupporting Document | Not published | View |
| OW181.P.01.PP.P01_Proposed Planting Plan Area 01Drawings - Plans | Not published | View |
| Phase 1A Earthworks Plateau Cut &Fill Heat MapDrawings - Plans | Not published | View |
| OW181.P.06.PP.P01_Proposed Planting Plan Area 06Drawings - Plans | Not published | View |
| OW181.P.10.MS.P01_Soft Landscape Maintenance ScheduleSupporting Document | Not published | View |
| cond 29 LD-GCRE-PH1 Sidings Worst-Case RELUX Lighting Calculations ReportSupporting Document | Not published | View |
| cond 29 LD-GCRE-PH1 Sidings Worst Case RELUX Calculation PointsSupporting Document | Not published | View |
| cond 29 LD-GCRE-PH1 Lighting Design Review ReportSupporting Document | Not published | View |
| cond 29 LD-GCRE-PH1 Sidings Typical Case RELUX Calculation PointsSupporting Document | Not published | View |
| cond 29 LD-GCRE-PH1 Lighting Design Review Report Cover LetterSupporting Document | Not published | View |
| cond 29 LD-GCRE-PH1 Lighting Design Review Image Pack PresentationSupporting Document | Not published | View |
| cond 29 LD-GCRE-PH1 Sidings Typical Case RELUX Lighting Calculations ReportSupporting Document | Not published | View |
| OW181.S.02.RP.P01_Landscape Section 02 & 03 Retention PondDrawings - Plans | Not published | View |
| OW181.P.03.PP.P01_Proposed Planting Plan Area 03Drawings - Plans | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part9Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part3Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part20Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part16Supporting Document | Not published | View |
| G22069 GCRE Factual Report Rev1 (RED)_Part27Supporting Document | Not published | View |
| GCRE_Strategic Biodiversity Plan - Final_reduced (RED)_Part1Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part3Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part10Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part11Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part13Supporting Document | Not published | View |
| Technical Note NoiseSupporting Document | Not published | View |
| Proposed FencingDrawings - Plans | Not published | View |
| Phasing PlanDrawings - Plans | Not published | View |
| Phase 1A Earthworks General ArrangementDrawings - Plans | Not published | View |
| OW181.P.04.PP.P01_Proposed Planting Plan Area 04Drawings - Plans | Not published | View |
| LD-GCRE-PH1 Lighting Design Review - Observations for ReviewSupporting Document | Not published | View |
| OW181.P.03.PP.P01_Proposed Planting Plan Area 03Drawings - Plans | Not published | View |
| LD-GCRE-PH1 Sidings Worst-Case RELUX Lighting Calculations ReportSupporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part2Supporting Document | Not published | View |
| Ground Investigation report GCRE001-AWJV-00-XX-RP-GE-00002_P02 (RED)_Part15Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part18Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part37Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part22Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part36Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part28Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part30Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part25Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part26Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part31Supporting Document | Not published | View |
| Geo-Environmental Interpretative Report P02 (RED)_Part42Supporting Document | Not published | View |
| ApplicationFormRedactedForms and Certificates | Not published | View |
| Cover Letter DoC phase 1a NPTSupporting Document | Not published | View |
| GCRE001-ARC-XX-XX-DR-BE-00001Drawings - Plans | Not published | View |
| GCRE001-ARC-XX-SO-DR-BE-00004Drawings - Plans | Not published | View |
| Phasing PlanDrawings - Plans | Not published | View |
| GCRE001-ARC-XX-SO-DR-BE-00002Drawings - Plans | Not published | View |
| GCRE001-ARC-XX-SO-DR-BE-00001Drawings - Plans | Not published | View |
| Site Location PlanLocation Plan | Not published | View |
| GCRE001-ARC-XX-SO-DR-BE-00003Drawings - Plans | Not published | View |
Documents open on the council website. Browse council documents if a link has changed.
We haven’t collected any decision conditions for this application.
No related records were published in this section.
Understanding planning · 13 min read
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
Understanding planning · 13 min read
Understand pending consideration, approved, refused and withdrawn planning applications. Compare status labels and find the documents explaining each outcome.
Understanding planning · 13 min read
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.