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Application to discharge requirement 11 (Stage 1b) – Contaminated Land & Ground Water by National Grid Electricity Transmission plc for an Order Granting Development Consent for the North London Reinforcement Project for the uprating of an existing 275kV transmission line of approximately 14km in length from Waltham Cross substation to Tottenham substation to enable it to run at a voltage of 400kV, together with associated development.

Waltham Cross to Tottenham Substation, near to Highbridge Street, Waltham Abbey

Decision MadeReference: EPF/2171/25Epping Forest District Council

Last published check: 13 Oct 2026, 04:34. 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 Date

    Published milestoneCouncil source

  2. Valid Date

    Published milestoneCouncil source

  3. Consultation Deadline

    Past published deadline

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

    Council source

  4. Decision Date

    Published milestoneCouncil source

Application summary

Status
Decision Made
Application type
Approval of details reserved by a condition
Received
22 Oct 2025
Validated
22 Oct 2025
Determination deadline
Not published
Local authority
Epping Forest District Council

Application overview

Application to discharge requirement 11 (Stage 1b) – Contaminated Land & Ground Water by National Grid Electricity Transmission plc for an Order Granting Development Consent for the North London Reinforcement Project for the uprating of an existing 275kV transmission line of approximately 14km in length from Waltham Cross substation to Tottenham substation to enable it to run at a voltage of 400kV, together with associated development.

Proposal details

Reference
EPF/2171/25
Ward
Waltham Abbey West
Parish
Waltham Abbey

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Application location

Waltham Cross to Tottenham Substation, near to Highbridge Street, Waltham Abbey

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Documents 34 of 34

DocumentPublishedAction
REVISED - Remediation StrategySupporting Statement/Documents · PDF29 Jan 2026View
Req 11 Stage 1b Remediation Strategysmall_Part3.pdf · PDF22 Oct 2025View
Req 11 Stage 1b Phase 1 Contamination Desk Studysmall_Part3.pdf · PDF22 Oct 2025View
Req 11 Stage 1b Geoenvironmental Interpretive Reportsmall_Part4.pdf · PDF22 Oct 2025View
HWUP-RSK-WALX-XX-RP-Z-0024Supporting Statement/Documents · PDF20 Jan 2026View
Environment Agency Comments #2Memo (Consultee Comments) · PDF27 Jan 2026View
HWUP-RSK-WC-XX-RP-Z-0006Supporting Statement/Documents · PDF20 Jan 2026View
Lee Valley Regional Park Authority Comments #1Memo (Consultee Comments)10 Dec 2025View
REVISED - RSK EA Response LetterSupporting Statement/Documents · PDF3 Dec 2025View
Req 11 Stage 1b Groundwater and Surface Water Monitoring Round 1 - April 2025.pdf · PDF22 Oct 2025View
38479 Final Report v2 251002Supporting Statement/Documents · PDF20 Jan 2026View
Req 11 Stage 1b Groundwater And Surface Water Monitoring Round 2 - June 2025.pdf · PDF22 Oct 2025View
SUPERSEDED - Remediation StrategySupporting Statement/Documents · PDF20 Jan 2026View
Req 11 Stage 1b Geoenvironmental Interpretive Reportsmall_Part2.pdf · PDF22 Oct 2025View
Req 11 Stage 1b Remediation Strategysmall_Part1.pdf · PDF22 Oct 2025View
Req 11 Stage 1b Foundation Works Risk Assessmentsmall_Part2.pdf · PDF22 Oct 2025View
Req 11 Stage 1b Foundation Works Risk Assessmentsmall_Part1.pdf · PDF22 Oct 2025View
Req 11 Stage 1b Geoenvironmental Interpretive Reportsmall_Part1.pdf · PDF22 Oct 2025View
Req 11 Stage 1b Phase 1 Contamination Desk Studysmall_Part1.pdf · PDF22 Oct 2025View
Cover Letter Req 11 Stage 1b.pdf · PDF22 Oct 2025View
Req 11 Stage 1b Phase 1 Contamination Desk Studysmall_Part2.pdf · PDF22 Oct 2025View
Environment Agency Comments #1Memo (Consultee Comments) · PDF24 Nov 2025View
Req 11 Stage 1b Phase 1 Contamination Desk Studysmall_Part6.pdf · PDF22 Oct 2025View
HWUP-RSK-WALX-XX-RP-Z-0026Supporting Statement/Documents · PDF20 Jan 2026View
Environment Agency Comments #3Memo (Consultee Comments) · PDF5 Feb 2026View
DM Decision Notice.pdf · PDF19 Feb 2026View
Req 11 Stage 1b Remediation Strategysmall_Part2.pdf · PDF22 Oct 2025View
Req 11 Stage 1b Foundation Works Risk Assessmentsmall_Part3.pdf · PDF22 Oct 2025View
EFDC - Contaminated Land Comments #1Memo (Consultee Comments) · PDF18 Nov 2025View
Req 11 Stage 1b Phase 1 Contamination Desk Studysmall_Part5.pdf · PDF22 Oct 2025View
Req 11 Stage 1b Geoenvironmental Interpretive Reportsmall_Part5.pdf · PDF22 Oct 2025View
ApplicationFormRedacted.pdf · PDF22 Oct 2025View
Req 11 Stage 1b Phase 1 Contamination Desk Studysmall_Part4.pdf · PDF22 Oct 2025View
Req 11 Stage 1b Factual Ground Investigation Monitoring Reportsmall.pdf · PDF22 Oct 2025View

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Decision & conditions

Approve
DM Decision Notice.pdf
Planning conditions

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