Which electricity DNO covers postcode EC3A?

EC3A (London) is distributed by UK Power Networks (London - LPN). For any street power cut call 105 free 24/7.

Who supplies mains water and gas in EC3A?

Water: Thames Water; Gas network: Cadent Gas.

EC3A District London (City of London)

Live power cut, broadband, mobile 5G, water & gas network telemetry for UK postcode district EC3A.

All / Power Broadband Mobile Water Gas

Electricity DNO (105)

UK Power Networks (London - LPN)

Emergency: 105 / 105 / 0800 316 3105

Water & Sewerage Company

Thames Water

Support: 0800 316 9800

Gas Network (0800 111 999)

Cadent Gas

Smell gas? 0800 111 999

Provider	Matched District / Area	Status / Affected	ETR / Updated
Transport for London (TfL)	SW1A TfL Northern — Part Closure	TfL Service Alert	15 Nov 2026 at 4:02 am GMT
GRIDSERVE Electric Highway	London GRIDSERVE Electric Highway UK Network	Service Incident	15 Nov 2026 at 4:02 am GMT
Claude AI (Anthropic)	London UK & London Edge — Some users unable to sign up with Apple on the Claud…	Service Incident	15 Nov 2026 at 5:02 am GMT
OpenAI / ChatGPT	London UK & London Edge — Delayed Costs Data in the Compliance API	Service Incident	15 Nov 2026 at 5:02 am GMT
Cloudflare	London UK & London Edge — Changes to Cloudflare Workers are not producing Even…	Service Incident	15 Nov 2026 at 5:02 am GMT

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