Which electricity DNO covers postcode SW4?

SW4 (Lambeth) 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 SW4?

Water: Thames Water; Gas network: SGN Southern.

SW4 District Lambeth (Greater London)

Live power cut, broadband, mobile 5G, water & gas network telemetry for UK postcode district SW4.

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 4:47 am GMT
UK Power Networks (London - LPN)	EC1A Islington (Postcode EC1A) — UKPN MULT-5d9671db-3466-411f-bba2-04db48408…	DNO Active Fault	15 Nov 2026 at 1:47 am GMT
UK Power Networks (London - LPN)	EC1A Islington (Postcode EC1A) — UKPN MULT-869654a0-72f9-4aac-a5f2-5479dd70f…	DNO Active Fault	15 Nov 2026 at 1:47 am GMT
UK Power Networks (London - LPN)	NW10 Brent (Postcode NW10) — UKPN MULT-c07bfe04-9274-4676-8017-3d4db7f85575	DNO Active Fault	15 Nov 2026 at 1:47 am GMT
UK Power Networks (South Eastern - SPN)	BR7 Bromley (Postcode BR7) — UKPN MULT-78e593ed-63c9-4fcb-b32e-84d762a09d59	DNO Active Fault	15 Nov 2026 at 1:47 am GMT

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