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Construction of the new Air Insulated Substation (AIS) - 400kV Weston Marsh Substation A, associated landscaping and environmental mitigation works, drainage, highways and other associated works.

Land in the Vicinity of Spalding Tee-Point Surfleet Seas End and Moulton Seas End Spalding

ApprovedReference: H22-0466-26South Holland District Council

Last published check: 7 Nov 2026, 02:36. Check the council record for more recent changes.

Application timeline

Council milestones and published deadlines. A deadline passing does not confirm a decision.

  1. Received

    Published milestoneCouncil source

  2. Validated

    Published milestoneCouncil source

  3. Decided

    Published milestoneCouncil source

  4. Decision By

    Published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

Application summary

Status
Approved
Application type
Not published
Received
18 May 2026
Validated
18 May 2026
Determination deadline
9 Nov 2026
Local authority
South Holland District Council

Application overview

Construction of the new Air Insulated Substation (AIS) - 400kV Weston Marsh Substation A, associated landscaping and environmental mitigation works, drainage, highways and other associated works.

Proposal details

Reference
H22-0466-26
Parish
Weston
Agent
Atkins Realis 3 Piccadilly Place Manchester M1 3BN

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Application location

Land in the Vicinity of Spalding Tee-Point Surfleet Seas End and Moulton Seas End Spalding

This record has no verified map location.

Documents 125 of 125

DocumentPublishedAction
GWNC-LST-OH70- ZZZZZZ-DRW-EN-000032 Issue B Illustrative Construction Compound - Amendment 2Amended Plans1 Sept 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-DRW-EN-000001 Issue A Cesspool Details - Amendment 2Amended Plans1 Sept 2026View
Application Form - Without Personal DataApplication Form Without Personal Details18 May 2026View
GWNC-GIL-SS50-XXXXXX-PLN-ES-000001 Indicative Landscape & Ecological Mitigation ProposalsGeneral Plans18 May 2026View
GWNC-LST-0H70-ZZZZZZ-DRW-EN-0000029 A Illustrative Watercourse Outfall Basin (Sheet 1 of 2) and Illustrative Infiltration Basin (Sheet 2 of 2)General Plans18 May 2026View
GWNC-LST-OH70-ZZZZZZ-DRW-EN-000030 A Illustrative Bridge Details for Watercourse Crossings (Sheet 1 of 1)General Plans18 May 2026View
GWNC-LST-ZZZZZZ-DRW-EN-000031 A Illustrative Culvert Details for Watercourse Crossings (Sheet 1 of 1)General Plans18 May 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-PLN-EN-000001 Issue A Site Layout Plan (Sheet 1 of 14)General Plans18 May 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-PLN-EN-000001 Issue A Site Layout Plan (Sheets 2 -14)General Plans18 May 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-PLN-EN-000003 Issue A Substation Proposed Elevations (Sheet 1 of 1)General Plans18 May 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-PLN-EN-000004 Issue A Substation Layout (Sheet 1 of 1)General Plans18 May 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-PLN-EN-000005 Indicative Substation Buildings Elevations (Sheets 1-9)General Plans18 May 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-PLN-PM-000001 Issue A Site Location Plan (Sheets 1-4)General Plans18 May 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-PLN-PM-000003 Issue A Topographical Plan (Sheet 1 to 8)General Plans18 May 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-PLN-PM-000003 Issue A Topographical Plan (Sheets 9-32)General Plans18 May 2026View
GWNC-WSP-ZZZZ-ZZZZZ-PLN-PM-000004 Issue A TCPA Typical Fence PlanGeneral Plans18 May 2026View
1 of 1 Rev A Figure 7 - Zone of Theoretical Visibility - Amendment 1General Plans28 Jul 2026View
GWNC-WSP-SS53-ENABLE-DRW-HY-000001 Rev PO Proposed IDB Watercourse Diversion Weston Marsh A 400kv Substation - Amendment 1General Plans28 Jul 2026View
PDD-100944-HWY-953 Rev P01 Indicative road widening & drainage alteration proposalsGeneral Plans25 Sept 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000015 1.1 Biodiversity Net Gain Report - July 2026 - Clean - Amendment 1Amended Documents11 Aug 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000015 1.1 Biodiversity Net Gain Report - July 2026 - Tracked - Amendment 1Amended Documents11 Aug 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000019 1.2 Outline Construction Environmental Management Plan (Clean) - August 2026 - Amendment 2Amended Documents1 Sept 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000019 1.2 Outline Construction Environmental Management Plan (Tracked) - August 2026 - Amendment 2Amended Documents1 Sept 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000001 1.2 Surface Water Drainage Strategy - (Clean Part 1 of 2) - August 2026 - Amendment 2Amended Documents1 Sept 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-00001 1.2 Surface Water Drainage Strategy (Clean Part 2 of 2) - August 2026 - Amendment 2Amended Documents1 Sept 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000001 1.2 Surface Water Drainage Strategy (Tracked Part 1 of 2) - August 2026 - Amendment 2Amended Documents1 Sept 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000001 1.2 Surface Water Drainage Strategy (Tracked Part 2 of 2) - August 2026 - Amendment 2Amended Documents1 Sept 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000005 Arboricultural Impact Assessment (Clean) - August 2026 - Amendment 2Amended Documents1 Sept 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000005 Arboricultural Impact Assessment (Tracked) - August 2026 - Amendment 2Amended Documents1 Sept 2026View
Cover Letter - Amendment 2Amended Documents1 Sept 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-RPT-ES-000001 Technical Note: Response to EA Objection - Amendment 2Amended Documents1 Sept 2026View
GWNC-ARU-SS50-XXXXXX-RPT-CP-000002 1.1 Planning Design & Access Statement - July 2026 - Clean - Amendment 1Amended Design & Access Statement11 Aug 2026View
GWNC-ARU-SS50-XXXXXX-RPT-CP-000002 1.1 Planning Design & Access Statement - July 2026 - Tracked - Amendment 1Amended Design & Access Statement11 Aug 2026View
Amendment 1Amendment Form29 Jul 2026View
OWPC57249 Ruben Lopez Catalan, Lincolnshire County Council,Standard Consultee Comments8 Jun 2026View
OWPC57389 Peter Udy - Planning Policy Officer, Boston Borough CouncilStandard Consultee Comments16 Jun 2026View
OWPC57460 Gregory Watkinson, Principal Conservation Officer, Council OfficesStandard Consultee Comments18 Jun 2026View
OWPC58197 Ruben Lopez Catalan, Lincolnshire County Council,Standard Consultee Comments18 Aug 2026View
Lincs Fire and RescueLincs Fire and Rescue10 Jun 2026View
Lincs Wildlife TrustLincs Wildlife Trust11 Jun 2026View
Lincs Wildlife TrustLincs Wildlife Trust14 Aug 2026View
Lincs Wildlife TrustLincs Wildlife Trust11 Sept 2026View
Historic EnglandHistoric England10 Jun 2026View
Decision NoticeDecision Notice6 Nov 2026View
Officer Report - PUBLICOfficer Report - PUBLIC22 Oct 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000002 1.1 Flood Risk Assessment - July 2026 (Part 1) - Clean - Amendment 1Flood Risk Assessment28 Jul 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000002 1.1 Flood Risk Assessment - July 2026 (Part 1) - Tracked - Amendment 1Flood Risk Assessment28 Jul 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000002 1.1 Flood Risk Assessment - July 2026 (Part 2) - Tracked - Amendment 1Flood Risk Assessment28 Jul 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000002 1.1 Flood Risk Assessment - July 2026 (Part 2) - Clean - Amendment 1Flood Risk Assessment28 Jul 2026View
GWNC-WAA-SS50-XXXXXX-RPT-ES-000001 Phase 1 Geoenvironmental Desk Study - May 2026 (Part 1 of 2)Transport Assessment18 May 2026View
Statutory Biodiversity MetricSupporting Information18 May 2026View
Foul Drainage Assessment Form (FDA)Supporting Information18 May 2026View
GWNC-ARC-SS50-XXXXXX-RPT-ES-000002 Agricultural Land Classification Report - May 2026Supporting Information18 May 2026View
Covering LetterSupporting Information18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000009 Breeding Bird Survey Report 2024-2025 - May 2026 (Part 1 of 3)Supporting Information18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000009 Breeding Bird Survey Report 2024-2025 - May 2026 (Part 2 of 3)Supporting Information18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000009 Breeding Bird Survey Report 2024-2025 - May 2026 (Part 3 of 3)Supporting Information18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000010 Non-Breeding Bird Survey Report - May 2026Supporting Information18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000013 Habitat Classification Survey Report - May 2026Supporting Information18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000017 Historic environment Desk-Based Assessment - May 2026 (Part 1 of 3)Supporting Information18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000017 Historic Environment Desk-based Assessment - May 2026 (Part 2 of 3)Supporting Information18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000017 Historic Environment Desk-based Assessment - May 2026 (Part 3 of 3)Supporting Information18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000018 Transport Statement - May 2026 (Part 1 of 3)Supporting Information18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000018 Transport Statement - May 2026 (Part 2 of 3)Supporting Information18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000018 Transport Statement - May 2026 (Part 3 of 3)Supporting Information18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000019 Socio-economic Impact Assessment - May 2026Supporting Information18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000020 Cumulative Effects Assessment Report - May 2026Supporting Information18 May 2026View
GWNC-ATG-SS50-XXXXXX-RPT-ES-000001 Noise & Vibration Assessment - May 2026Supporting Information18 May 2026View
GWNC-GIL-SS50-XXXXXX-RPT-ES-000001 Landscape & Visual Appraisal - May 2026 (Part 1 of 4)Supporting Information18 May 2026View
GWNC-GIL-SS50-XXXXXX-RPT-ES-000001 Landscape & Visual Appraisal - May 2026 (Part 2 of 4)Supporting Information18 May 2026View
GWNC-GIL-SS50-XXXXXX-RPT-ES-000001 Landscaping and visual Appraisal - May 2026 (Part 3 of 4)Supporting Information18 May 2026View
GWNC-GIL-SS50-XXXXXX-RPT-ES-000001 Landscaping and Visual Appraisal - May 2026 (Part 4 of 4)Supporting Information18 May 2026View
GWNC-GIL-SS50-XXXXXX-VIS-ES-000001 Landscaping and Visual Photomontages - May 2026Supporting Information18 May 2026View
GWNC-LST-ZZZZ-ZZZZZZ-TEC-EN-000004 Foul Drainage Strategy - May 2026Supporting Information18 May 2026View
GWNC-NGD-ZZZZ-XXXXXX-RPT-PM-000003 Electric and Magnetic Field Assessment - May 2026Supporting Information18 May 2026View
GWNC-WAA-SS50-XXXXXX-RPT-ES-000001 Phase 1 Geoenvironmental Desk Study - May 2026 (Part 2 of 2)Supporting Information18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000003 Water Framework Directive Assessment - May 2026Supporting Information18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000004 Air Quality Assessment & Screening Assessment - May 2026Supporting Information18 May 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-PLN-PM-000002 Outline Construction Traffic Management Plan - May 2026Supporting Information18 May 2026View
Article 13 NoticeSupporting Information18 May 2026View
Article 13 Advert The Voice 14 May 2026Supporting Information19 May 2026View
Article 13 Advert - The Voice - 14 May 2026Supporting Information21 May 2026View
Article 13 Advert The Voice 28 May 2026Supporting Information28 May 2026View
Correction Notice from National GridSupporting Information19 Jun 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000006 1.1 Aquatic Survey Report - July 2026 - Clean - Amendment 1Supporting Information28 Jul 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000006 1.1 Aquatic Survey Report - July 2026 - Tracked - Amendment 1Supporting Information28 Jul 2026View
GWNC-CAV-ZZZZ-ZZZZZZ-RPT-PM-000001 1.1 Statement of Community Involvement - July 2026 - Clean - Amendment 1Supporting Information28 Jul 2026View
GWNC-CAV-ZZZZ-ZZZZZZ-RPT-PM-000001 1.1 Statement of Community Involvement - July 2026 - Tracked - Amendment 1Supporting Information28 Jul 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000006 1.1 Hydraulic Modelling Report - July 2026 - Clean - Amendment 1Supporting Information28 Jul 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000006 1.1 Hydraulic Modelling Report - July 2026 - Tracked - Amendment 1Supporting Information28 Jul 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-RPT-PM-000001 0.2 Lighting Strategy - July 2026 - Clean - Amendment 1Supporting Information28 Jul 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-RPT-PM-000001 0.2 Lighting Strategy - July 2026 - Tracked - Amendment 1Supporting Information28 Jul 2026View
27 July 2026 Covering Letter from National Grid - Amendment 1Supporting Information29 Jul 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000014 Habitats Regulations Assessment Stage 1 & Stage 2 Report - October 2026 - Clean - Amendment 4Supporting Information5 Oct 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000014 Habitats Regulations Assessment Stage 1 & Stage 2 Report - October 2026 - Tracked - Amendment 4Supporting Information5 Oct 2026View
GWNC-LST-0H70-ZZZZZZ-DRW-EN-000032 A Illustrative Construction Compound (Sheet 1 of 1)Superseded Plans18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000005 Arboricultural Impact Assessment - May 2026Superseded Plans18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000019 1.1 Outline Construction Environmental Management Plan (CEMP) - July 2026 - Clean - Amendment 1Superseded Plans11 Aug 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000019 1.1 Outline Construction Environmental Management Plan (CEMP) - July 2026 - Tracked - Amendment 1Superseded Plans11 Aug 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000001 1.1 Surface Water Drainage Strategy - July 2026 - Part 1 - Clean - Amendment 1Superseded Plans11 Aug 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000001 1.1 Surface Water Drainage Strategy - July 2026 - Part 1 - Tracked - Amendment 1Superseded Plans11 Aug 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000001 1.1 Surface Water Drainage Strategy - July 2026 - Part 2 - Clean - Amendment 1Superseded Plans11 Aug 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000001 1.1 Surface Water Drainage Strategy - July 2026 - Part 2 - Tracked - Amendment 1Superseded Plans11 Aug 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000006 Aquatic Survey Report - May 2026Superseded Documents18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000014 Habitats Regulations Assessment Stage 1 Screening Report - May 2026Superseded Documents18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000015 Biodiversity Net Gain Report - May 2026 (Part 1 of 2)Superseded Documents18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000015 Biodiversity Net Gain Report - May 2026 (Part 2 of 2)Superseded Documents18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000019 Outline Construction Environmental Management Plan (CEMP) - May 2026 and Outline Soil Management Plan (appended GWNC-ARC-SS50-XXXXXX-RPT-ES-000001Superseded Documents18 May 2026View
GWNC-CAV-ZZZZ-ZZZZZZ-RPT-PM-000001 Statement of Community Involvement - May 2026Superseded Documents18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000001 Surface Water Drainage Strategy - May 2026 (Part 1 of 4)Superseded Documents18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000001 Surface Water Drainage Strategy (Part 2 of 4)Superseded Documents18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000001 Surface Water Drainage Strategy (Part 3 of 4)Superseded Documents18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000001 Surface Water Drainage Strategy (Part 4 of 4)Superseded Documents18 May 2026View
GWNC-WSP-ZZZZ-ZZZZZZ-RPT-PM-000001 Lighting Strategy - May 2026Superseded Documents18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000006 Hydraulic Modelling Report - May 2026 (Part 1 of 3)Superseded Documents18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000006 Hydraulic Modelling Report - (Part 2 of 3)Superseded Documents18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000006 Hydraulic Modelling Report (Part 3 of 3)Superseded Documents18 May 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000014 1.1 Habitats Regulations Assessment Stage 1 Screening Report - July 2026 - Clean - Amendment 1Superseded Documents28 Jul 2026View
GWNC-ARU-SS50-XXXXXX-RPT-ES-000014 1.1 Habitats Regulations Assessment Stage 1 Screening Report - July 2026 - Tracked - Amendment 1Superseded Documents28 Jul 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000001 1.1 Surface Water Drainage Strategy - July 2026 - Clean - Amendment 1Superseded Documents28 Jul 2026View
GWNC-ARU-SS50-XXXXXX-RPT-CP-000002 Planning Design & Access Statement - May 2026Superseded Design & Access Statement18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000002 Flood Risk Assessment - May 2026 (Part 1 of 4)Superseded Flood Risk Assessment18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000002 Flood Risk Assessment (Part 2 of 4)Superseded Flood Risk Assessment18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000002 Flood Risk Assessment (Part 3 of 4)Superseded Flood Risk Assessment18 May 2026View
GWNC-WSP-SS50-XXXXXX-RPT-ES-000002 Flood Risk Assessment (Part 4 of 4)Superseded Flood Risk Assessment18 May 2026View

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Decision & conditions

Approved
Decision Notice
Planning conditions

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