Marsh Lock Lock 12 , near Waltham Town.

Completed: Rammey Marsh lock 12, gate back in and lock re-opened.

Type: Navigation Closure

Waterway(s): Lee Navigation

From: 14 September 2025, 4:59pm

To: 16 September 2025, 10:20am inclusive

Region: London and South East

Reason: Boating Incident

Subject to review on: 15 September 2025

Location

Rammey Marsh lock 12 – top gate lifted off by a boat, making lock inoperable.

Assisted passage not possible. Towpath remains open. Engineers called to assess damage and recommend fix.

Review tomorrow 15th September 2025.