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British Gas complaint — United Kingdom

How to file a formal complaint for British Gas customers in United Kingdom. Verified contact lines, timelines, and the regulator path if British Gas cannot resolve your case.

✓ Verified from official source· Mon–Fri 8am–6pm, Sat 8am–2pm
Call Now · 0333 202 9802

How to file a formal complaint against British Gas

  1. Step 1: Call customer service first
    Dial 0333 202 9802 and ask the agent to escalate to a supervisor. Note the agent name and case ID — you'll need them at every later step.
  2. Step 2: Submit a written complaint
    British Gas must acknowledge a written complaint within 5 business days under most national consumer rules. Send via certified mail or the brand's secure-message portal and keep proof.
  3. Step 3: File with the regulator
    Open a case with Ofgem / Energy Ombudsman at https://www.ombudsman-services.org/sectors/energy. The regulator will not adjudicate your specific dispute in most cases, but the brand must respond in writing within 30 days.
  4. Step 4: Small-claims court or ombudsman
    If the dispute is under the local small-claims threshold, file at your local court. Most brands settle in writing before the hearing rather than send a lawyer.

Related FAQs

What is the real British Gas customer service number?

0333 202 9802 — published on https://www.britishgas.co.uk/help-and-support/contact-us.html and verified on the date shown at the top of this page.

Is British Gas customer service 24/7?

Mon–Fri 8am–6pm, Sat 8am–2pm

How do I talk to a real human at British Gas?

Dial 0333 202 9802 and press 0 repeatedly, or say 'agent' / 'representative' at the IVR prompt — most energy IVRs route to a human within 5 minutes during business hours.

Is calling British Gas free?

Yes — the toll-free numbers marked above are free from a landline or mobile in their listed region. International calls are charged at your carrier's rate.

Can I email British Gas?

British Gas prefers phone and in-account chat; email is available via the contact form on https://www.britishgas.co.uk/help-and-support/contact-us.html.

How long does a British Gas refund take?

10 working days from credit-balance refund request for card refunds; instant for account credit; up to 30 days for disputes that go through the regulator.

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