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Part of:
Best Energy Suppliers UK 2026
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British Gas is the UK's largest energy supplier — but size doesn't mean best. Here's our honest 2026 review covering prices, tariffs, customer service data and whether you should stay or switch. Updated April 2026 British Gas at a Glance — 2026
British Gas Tariffs — April 2026British Gas offers three main tariff types for domestic customers:
British Gas fixed tariffs typically offer modest savings over the cap — not the deep discounts available from Octopus or other challengers. As of April 2026, Uswitch notes that fixed deals don't offer high savings because suppliers have increased prices due to Middle East geopolitical tensions affecting wholesale gas markets. Always compare before fixing. British Gas Customer Service — Honest AssessmentBritish Gas has invested significantly in improving customer service, but it remains a mixed picture. Positives: the company hired 700 additional UK-based contact centre staff and extended call centre opening hours to 8pm on weekdays. Citizens Advice gave it a 4/5 for contact waiting time (average 2 minutes 29 seconds call wait). 28% of customers very satisfied with complaint handling (joint second, behind only Octopus at 31%). Negatives: slow live chat response times (7 minutes 14 seconds — worst among major suppliers, per Which?). High complaint volumes (1,155 per 100,000 accounts). Several high-profile Energy Ombudsman cases cited by customers online. Only 48% of complaints resolved by end of next working day — well below industry best practice of 90%+. British Gas vs Octopus Energy — Should You Switch?
Who Should Stay With British Gas?British Gas may suit you if: you are in the middle of a competitive fixed-rate deal — check your exit fee before switching; you value dealing with a traditional household name and have had good service; you have a HomeCare boiler cover policy that you value alongside your energy supply; you prefer phone customer service (available until 8pm weekdays) over app-first digital support. If none of these apply and price or customer service is your priority, comparing on Uswitch takes under 5 minutes. KAELTRIPTON VERDICT British Gas in 2026 is the UK's biggest supplier but not its best. Its standard variable tariff sits at the Ofgem price cap (£1,641/year) — you can likely save £150-£350/year by switching to Octopus. Customer service is improving but still below Octopus and E.ON Next. The main reasons to stay: you're on a good fixed deal, or you genuinely value the traditional brand. For everyone else, a comparison on Uswitch is well worth 5 minutes. UK's Largest Supplier — But Not the Cheapest or Best Rated Q: Is British Gas the cheapest energy supplier 2026? A: No — British Gas SVT sits at the Ofgem price cap (£1,641/year). Octopus Energy typically offers fixed tariffs £120-£260 cheaper. Compare on Uswitch for your specific postcode. Q: What are British Gas customer service ratings? A: Which? Oct 2025: 79% recommend (vs 91% Octopus). Trustpilot: mixed. Citizens Advice complaints: 72.7/10,000 Q1 2025. Complaint resolution: only 48% by next working day. Q: Should I switch from British Gas? A: If price is your priority: yes — compare on Uswitch. If on a competitive fixed deal: check exit fees first. Energy supply is never interrupted during a switch. Q: Is British Gas 100% renewable? A: No — approximately 20% renewable in standard fuel mix. Octopus Energy supplies 100% renewable electricity as standard. Related Articles This article is for informational purposes only. Energy prices change frequently — always compare on Uswitch or MoneySavingExpert for your current best deal. Figures verified April 2026 from Ofgem, Which?, Citizens Advice and Trustpilot. |
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