Which electricity DNO covers postcode SE3?

SE3 (Greenwich) 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 SE3?

Water: Thames Water; Gas network: SGN Southern.

SE3 District Greenwich (Greater London)

Live power cut, broadband, mobile 5G, water & gas network telemetry for UK postcode district SE3.

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 4:32 am GMT
UK Power Networks (London - LPN)	EC1A Islington (Postcode EC1A) — UKPN MULT-96c4bd5a-68ca-401a-9e60-8e5291da7…	DNO Active Fault	15 Nov 2026 at 1:32 am GMT
UK Power Networks (London - LPN)	EC1A Islington (Postcode EC1A) — UKPN MULT-ecdd34cc-0fe2-4554-8f6a-ccb21e14b…	DNO Active Fault	15 Nov 2026 at 1:32 am GMT
UK Power Networks (South Eastern - SPN)	BR7 Bromley (Postcode BR7) — UKPN MULT-99197630-25bd-4258-82be-eecff8a2e6a3	DNO Active Fault	15 Nov 2026 at 1:32 am GMT
UK Power Networks (London - LPN)	NW10 Brent (Postcode NW10) — UKPN MULT-852ced0c-8340-4835-aed8-674ee2640c56	DNO Active Fault	15 Nov 2026 at 1:32 am GMT

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