Which electricity DNO covers postcode SW1Y?

SW1Y (Westminster) 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 SW1Y?

Water: Thames Water; Gas network: SGN Southern.

SW1Y District Westminster (Westminster)

Live power cut, broadband, mobile 5G, water & gas network telemetry for UK postcode district SW1Y.

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)

SGN Southern

Smell gas? 0800 111 999

Provider	Matched District / Area	Status / Affected	ETR / Updated
UK Power Networks (London - LPN)	E4 Walthamstow (Postcode E4) — UKPN INCD-647162-Z	2 properties	15 Nov 2026 at 6:32 am GMT
UK Power Networks (London - LPN)	EC1A Islington (Postcode EC1A) — UKPN MULT-70fc8d5b-0f40-4229-be3b-141ac6f8f…	DNO Active Fault	15 Nov 2026 at 3:32 am GMT
UK Power Networks (London - LPN)	EC1A Islington (Postcode EC1A) — UKPN MULT-28a6bcad-0a28-42f9-be0c-f11d581f3…	DNO Active Fault	15 Nov 2026 at 3:32 am GMT

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