Energy suppliers and networks
Cadent Gas phone numbers
Edited by Richard BarkerChecked 13 October 2026
Cadent Gas publishes 3 numbers for you to call on its own website. We list each one with the page it is on (1 page in all), a short quote from that page and the date we checked it.
Numbers to call Cadent Gas
What each line is for, as Cadent Gas describes it, with opening hours where it gives them.
- 0800 111 999
You call them on this number
National gas emergency number (24/7)
Source: “the National Gas Emergency Service on 0800 111 999” (opens in a new tab). Checked 13 October 2026.
- 0800 389 8000
You call them on this number
Enquiries and complaints about Cadent works
Source: “services, contact our customer service team 0800 389 8000” (opens in a new tab). Checked 13 October 2026.
- 0800 074 5788
You call them on this number
Gas connections
Source: “contact our dedicated Gas Connections team 0800 074 5788” (opens in a new tab). Checked 13 October 2026.
How scams that copy energy suppliers and networks work
UK Finance says criminals pose as organisations such as utility companies, claiming you must settle a fine, pay a bill or return a refund paid by mistake. Ofgem warns that scammers may contact you by phone, text, email, social media or at your door, pretending to be from Ofgem or an energy company.
This could still be a scam call
Criminals can make their number look like a genuine one (this is called spoofing). If someone calls from this number and asks for money, bank details, a code or passwords, hang up. Then call Cadent Gas back on a number you've found yourself, such as the one on their own website or on a letter or bill from them.
Safe ways to check
- Cadent Gas's own contact page (opens in a new tab): Where this number is published.
- Report Fraud (opens in a new tab): Report fraud and cyber crime in England, Wales and Northern Ireland. In Scotland, call Police Scotland on 101.
- Forward scam texts to 7726 (opens in a new tab): It is free, and reports the message to your mobile provider.
- How number spoofing works: Why a genuine number on your screen does not prove who is calling.
Questions about Cadent Gas’s numbers
What numbers can I call Cadent Gas on?
Cadent Gas publishes 3 numbers for the public to call. They are: 0800 111 999 (National gas emergency number (24/7)); 0800 389 8000 (Enquiries and complaints about Cadent works); 0800 074 5788 (Gas connections). Check the source page for each one before you call, as numbers and opening hours change.
Does Cadent Gas publish a number on its own website that is not listed here? Suggest a number for Cadent Gas.
Sources and checks
This page relies on:
Checked on 13 October 2026. Read how we build the directory. How we check our information. Spotted a mistake? Tell us and we will put it right.