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Grid infrastructureUnited KingdomEIR-0501

Substation fire in St John's Wood spreads to nearby flats

Apr 2025Published 7 Sept 2026Responsible editor: Chief Editor

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supply cut for about •• daysShown in the record →Full estimate
From the recordRoot cause hiddenFailed part hidden
Where
electrical substation on Victoria Passage, Aberdeen Place in St John's Wood
What
Fire broke out involving electrical transformer and spread to neighbouring residential block
Injuries
None reported
Cause
Under investigation
Outcome
Power supplies were not interrupted

Companies named in the reporting of this entry (being named is not a finding of fault): UK Power Networks

A fire broke out at an electrical substation on Victoria Passage, Aberdeen Place in St John's Wood. The blaze involved an electrical transformer and spread to the roof of a neighbouring residential block. Around 100 firefighters attended with 15 fire engines, including a turntable ladder and bulk foam unit. Approximately 80 to 100 residents were evacuated from nearby flats, with a major incident declared and later stood down. Thick smoke affected the area, prompting advice to keep windows and doors closed. Power supplies were not interrupted. The cause is under investigation by London Fire Brigade, UK Power Networks and the Metropolitan Police. No injuries were reported.

A fault on a piece of equipment was reported by the operator as the origin of the fire. The cause remains under investigation.

  1. Transformer fires at urban substations can spread to adjacent buildings, so operators should check separation distances and fire walls.
  2. Bulk foam units and turntable ladders help contain substation fires near homes, so response plans should include these appliances.

More lessons on spacing, layout and fire spread, from every incident on the register.

  • Exact cause of the equipment fault
  • Transformer model and age
  • Cost of damage and response
  • Duration of evacuation and smoke impact

This entry is updated when these are reported. Get an alert for the next one like it.

Other entries that name John's Wood

Published 2026-09-07. Written from public reporting. Descriptive, not investigative. See the data accuracy disclaimer.

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Substation and transformer fires: the counts, the latest entries and a free alert for the next one.

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