Which electricity DNO covers postcode N21?

N21 (Enfield) 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 N21?

Water: Thames Water; Gas network: Cadent Gas.

N21 District Enfield (Greater London)

Live power cut, broadband, mobile 5G, water & gas network telemetry for UK postcode district N21.

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
UK Power Networks (London - LPN)	E4 Walthamstow (Postcode E4) — UKPN INCD-647162-Z	2 properties	15 Nov 2026 at 5:32 am GMT
UK Power Networks (London - LPN)	EC1A Islington (Postcode EC1A) — UKPN MULT-33f0c0d6-68ea-41bf-9fe6-846cf358b…	DNO Active Fault	15 Nov 2026 at 2:32 am GMT
UK Power Networks (London - LPN)	EC1A Islington (Postcode EC1A) — UKPN MULT-8314af60-97fb-4188-81ed-6e5f5c9d5…	DNO Active Fault	15 Nov 2026 at 2:32 am GMT
UK Power Networks (London - LPN)	NW10 Brent (Postcode NW10) — UKPN MULT-c7aa5090-5c5b-41b5-b99b-c0fee75a27a6	DNO Active Fault	15 Nov 2026 at 2:32 am GMT

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