Which electricity DNO covers postcode SW18?

SW18 (Wandsworth) 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 SW18?

Water: Thames Water; Gas network: SGN Southern.

SW18 District Wandsworth (Greater London)

Live power cut, broadband, mobile 5G, water & gas network telemetry for UK postcode district SW18.

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 4:02 am GMT
UK Power Networks (London - LPN)	NW10 Brent (Postcode NW10) — UKPN MULT-ca0d489e-0daf-4910-a97c-a49d5c067170	DNO Active Fault	15 Nov 2026 at 1:02 am GMT
UK Power Networks (London - LPN)	EC1A Islington (Postcode EC1A) — UKPN MULT-dd4394f9-f71f-4fb5-8798-53136f140…	DNO Active Fault	15 Nov 2026 at 1:02 am GMT
UK Power Networks (South Eastern - SPN)	BR7 Bromley (Postcode BR7) — UKPN MULT-bec95295-eee2-4104-bc12-abe3a30bbecf	DNO Active Fault	15 Nov 2026 at 1:02 am GMT
UK Power Networks (London - LPN)	EC1A Islington (Postcode EC1A) — UKPN MULT-5cd93efa-f2fb-44c8-8b77-008fcf086…	DNO Active Fault	15 Nov 2026 at 1:02 am GMT

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