Document library
On this page you can find all the materials we have produced for previous consultations on Grimsby to Walpole, including the information published as part of our Stage 1 consultation in Spring 2024 and our Stage 2 consultation in Summer 2025.
You can now also view all the documents we have published for our targeted consultation.
Our Consultation Document gives an overview of our proposals and early environmental studies. More detailed information, including the Supplementary Preliminary Environmental Information Report, can be found using the menu at the side of the page.
2025 Weston Marsh targeted consultation documents
2025 Weston Marsh targeted consultation plans and drawings
Photomontages
Explore our interactive map or the specific photomontages of the proposals below.
2025 Weston Marsh targeted consultation - Supplementary Preliminary Environmental Information Report
2025 Weston Marsh targeted consultation - Supplementary Preliminary Environmental Information Report
Non-technical summary
Chapter 1 - Introduction
Chapter 2 – Legislative, Regulatory and Planning Policy Context
Chapter 3 – Main Alternatives Considered
Chapter 4 – Approach to Preliminary Environmental Information
Chapter 5 – Project Description
Targeted consultation Supplementary Preliminary environmental information report – Route specific
Section 5: New Weston Marsh Substations A and B
Targeted consultation Supplementary Preliminary environmental information report – All sections (Sections 1 to 7) appendices and route-wide assessments
Route-wide assessments
2025 Weston Marsh targeted consultation videos and audio recordings
Fly-through videos
Audio recordings
Stage 2 consultation documents
Stage 2 consultation plans
Stage 2 consultation photomontages
Explore our interactive map or the specific photomontages of the proposals below.
- Grimsby West Interactive Photomontage
- Waltham Interactive Photomontage
- Wyham / Ludborough Interactive Photomontage
- Alvingham Interactive Photomontage
- Kenwick Interactive Photomontage
- LCS A Interactive Photomontage
- LCS B Interactive Photomontage
- Slackholme End Interactive Photomontage
- Welton le Marsh Interactive Photomontage
- Eastville Interactive Photomontage
- Langrick Interactive Photomontage
- Holbeach Interactive Photomontage
- Walpole B Interactive Photomontage
2025 statutory consultation construction animations
Stage 2 consultation Preliminary environmental information report: Non-technical summary, introduction and overview
Non-technical summary
Chapter 1 Introduction
Chapter 2 Legislative, Regulatory and Planning Policy Context
Chapter 3 - Main Alternatives Considered
Chapter 4 Approach to Preliminary Environmental Information
Chapter 5 Project Description
Stage 2 consultation Preliminary environmental information report: Section 1 New Grimsby West Substation
Stage 2 consultation Preliminary environmental information report: Route section 2 New Grimsby West Substation to New Lincolnshire Connection Substation A
Stage 2 consultation Preliminary environmental information report: route section 3 New Lincolnshire Connection Substations A and B
Stage 2 consultation Preliminary environmental information report: route section 4 New Lincolnshire Connection Substation B to Refined Weston Marsh Substation Siting Zone
Stage 2 consultation Preliminary environmental information report: route section 5 Refined Weston Marsh Substation Siting Zone
Stage 2 consultation Preliminary environmental information report: route section 6 Refined Weston Marsh Substation Siting Zone to New Walpole B Substation
Stage 2 consultation Preliminary environmental information report: route section 7 New Walpole B Substation
Stage 2 consultation Preliminary environmental information report: All sections (Sections 1 to 7) appendices and route-wide assessments
All sections - appendices
Route-wide assessments
2025 statutory consultation fly-through videos
- Route section 1 New Grimsby West Substation
- Route section 2a Laceby to North Thoresby
- Route section 2b North Thoresby to Alvingham
- Route section 2c Alvingham to Lincolnshire Connection Substation A
- Route section 3 Lincolnshire Connection Substation A and Lincolnshire Connection Substation B
- Route section 4a Lincolnshire Connection Substation B to Burgh Le Marsh
- Route section 4b Burgh Le Marsh to Eastville
- Route section 4c Eastville to Gipsey Bridge
- Route section 4d Gipsey Bridge to Kirton End
- Route section 4e Kirton End to Weston Marsh Substation Siting Zone
- Route section 6a Weston Marsh Substation Siting Zone to Holbeach St Johns
- Route section 6b Holbeach St Johns to Walpole B
Route section 7 Walpole B Substation
Stage 2 consultation banners - audio recordings
| Stretch banner 1 |
| Stretch banner 2 |
| Stretch banner 3 |
| Stretch banner 4 |
| Stretch banner 5 |
| Stretch banner 6 |
| Stretch banner 7 |
| Coordination banner |
| Pull up banner 1 |
| Pull up banner 2 |
| Pull up banner 3 |
| Pull up banner 4 |
2024 Stage 1 consultation documents
| Document | Description |
| Project Background Document | Providing a summary of our proposals and information on how to get involved. |
| Consultation newsletter | Summarising details of the Project and public consultation. |
| Stage one feedback form | To gather comments and feedback from the public consultation. |
| Consultation event banners | Banners used during public information events presented during the first stage of public consultation |
| Consultation Strategy | Setting out the approach to the first stage of consultation. |
| Strategic Options Report | Explaining the strategic options considered to deliver the necessary network upgrade. |
| Addendum to Strategic Options Report | Explaining the work undertaken to consider the increased demand for connections to the network since the May 2023 Strategic Options Report. |
| New Walpole Substation Location Options Report | Explaining the options considered for where the new Walpole substation could be located. |
| Corridor Preliminary Routeing and Siting Study (CPRSS) | Providing more technical information on the project and the need for the project, the options considered, the routeing and siting options assessed and our preferred options. |
| CPRSS Appendix A | Appendix A to the Corridor Preliminary Routeing and Siting Study |
| CPRSS Appendix B | Appendix B to the Corridor Preliminary Routeing and Substation Report |
| Winter 2024 Community update newsletter | Newsletter providing a community update following the 2024 non-statutory consultation |
2024 Stage 1 consultation plans
2024 Stage 1 consultation constraints plans