British Gas vs EDF Energy: Cost, Service and Fixes

British Gas vs EDF Energy comes down to your exact postcode, usage and how you pay, because neither supplier is cheaper for every household. On the example tariffs tracked in August 2026, British Gas was slightly cheaper on the cheapest variable deal, while EDF Energy was slightly cheaper on the cheapest fixed deal. Small margins like these flip whenever standing charges, unit rates and exit fees shift.

Both are large, established suppliers regulated by Ofgem, so switching between them is protected and takes about five working days. The real decision for a bill-conscious household is whether to fix, track or stay on a price-capped variable tariff. Free Price Compare pulls live tariffs from across the market so you can see which supplier wins for your address rather than a national average.

Last updated: August 2026

Written by the Free Price Compare editorial team | Reviewed August 2026

Which is cheaper, British Gas or EDF?

British Gas was around £10 a year cheaper than EDF Energy on the cheapest variable tariff in the August 2026 examples, while EDF Energy was around £10 a year cheaper on the cheapest fixed tariff. On those comparisons, British Gas’s Cap Tracker Plus Sep27 v1 came in slightly below EDF’s Simply Tracker Sep27, and EDF’s Simply Fixed 2Yr Aug28 came in slightly below British Gas’s cheapest fixed tariff. These are example tariffs for a typical dual-fuel household, not universal prices. The winner changes with your postcode, annual usage, meter type and payment method, so a £10 gap on a national example can reverse entirely for your address.

Neither supplier is reliably cheaper across every tariff type. If you want the lowest possible price today, the practical answer is to compare both on your own consumption rather than trust a headline. For low-usage homes, a lower standing charge can matter more than the unit rate, which is exactly where the two suppliers can swap positions.

Figures are indicative and may change.

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How British Gas and EDF tariffs differ

British Gas and EDF tariffs differ mainly in where each supplier is most competitive: British Gas has priced its tracker and variable range keenly in recent examples, while EDF Energy has fielded a strong fixed-tariff range. Both offer the three core structures a UK household chooses between, and the right one depends on how much certainty you want over the next year or two.

• Standard variable tariff (SVT) – the default, capped by the Ofgem price cap, with prices moving each quarter as the cap changes.
• Tracker or capped variable – follows the price cap or a wholesale index, usually with a low exit fee of around £50, giving flexibility to switch again.
• Fixed tariff – locks your unit rate and standing charge for 12 to 24 months, with a higher exit fee of around £150 if you leave early.

The Ofgem price cap is the benchmark for both suppliers’ variable tariffs. The cap limits the unit rate and standing charge for a typical direct-debit customer, not your total bill, so if you use more energy you pay more. A fixed deal above the current cap can still be worthwhile if you expect the cap to rise, which is the core fix-or-track decision covered below.

Is EDF cheaper than British Gas for your home?

EDF is cheaper than British Gas for some homes and dearer for others, so there is no single answer that holds for every household. In the August 2026 examples, EDF undercut British Gas on the cheapest fixed deal by around £10 a year, but British Gas undercut EDF on the cheapest variable deal by a similar margin. What tips the balance for your address is the split between standing charge and unit rate, your annual kWh usage and whether you have a smart or Economy 7 meter.

Low-usage households should weigh the standing charge heavily, because it is paid every day regardless of how much energy you use. Higher-usage or electric-vehicle homes benefit more from a low unit rate and, in some cases, a time-of-use tariff. Free Price Compare compares live tariffs from British Gas, EDF and other suppliers against your own consumption, which is the only reliable way to see who is cheaper for you rather than for an average home. If you are weighing British Gas against other majors, our British Gas vs Scottish Power comparison and British Gas vs E.ON Next guide apply the same approach.

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Which has better customer service?

Customer service between British Gas and EDF Energy is mixed, and neither ranks among the strongest large suppliers in independent assessments. Both have faced criticism from customers over billing accuracy and delayed switch completions, which is why checking recent complaint handling matters as much as price. Ofgem publishes complaint and service data by supplier, and the Ofgem Confidence Code accredits comparison services, so you can research a supplier’s record before you commit.

Billing disputes are the most common complaint across both suppliers, usually where estimated readings build up a large balance. To reduce that risk, submit regular meter readings or fit a smart meter, and keep monthly direct debits aligned to your actual usage rather than a low estimate. If a complaint is not resolved within eight weeks, you can escalate free of charge to the Energy Ombudsman, whose decision is binding on the supplier. For British Gas specifically, our British Gas complaints and customer service guide explains how to get issues resolved faster.

Read how to resolve a British Gas complaint

What are the exit and cancellation fees?

Exit fees on fixed tariffs are higher than on tracker tariffs for both British Gas and EDF Energy, while tracker and capped variable tariffs usually carry a lower fee. Standard variable tariffs carry no exit fee, so you can leave a price-capped SVT at any time without charge. Exit fees apply per fuel on dual-fuel accounts in some cases, so check whether a quoted fee is for one fuel or both before you commit.

Exit fees matter most if you think you might switch again soon. Ofgem rules mean you cannot be charged an exit fee if you switch in the final 49 days of a fixed deal, so you can move to a better tariff near the end without penalty. If avoiding fees is a priority, a tracker tariff with a £50 exit fee gives more flexibility than a fixed deal for a small trade-off in price certainty. Our British Gas exit fees and switching guide sets out exactly when a fee applies.

Which is greener or more renewable?

EDF Energy generates a large share of low-carbon electricity from nuclear and renewables, while British Gas offers renewable-backed electricity tariffs supported by certificates rather than its own generation. Both supply electricity that is matched to renewable sources for eligible tariffs, but the underlying generation mix differs. If low-carbon supply is your priority, check each supplier’s Fuel Mix Disclosure, which every UK supplier must publish annually.

For households generating their own power, both suppliers participate in the Smart Export Guarantee, which pays you for surplus electricity exported to the grid, provided your installation meets the Microgeneration Certification Scheme standard. Rates vary, so compare export tariffs separately from your import deal. Our British Gas renewable energy guide explains how green their tariffs really are.

Should I fix or stay on the price cap?

Fix if a fixed deal is at or below your current price-capped rate and you value certainty; stay on the cap if fixed prices are notably higher and you expect the cap to fall. The Ofgem price cap changes every three months, so a capped standard variable tariff moves with it, up or down. A fixed tariff locks your unit rate and standing charge for the term, protecting you from a rising cap but leaving you above the market if the cap falls.

To decide, compare the fixed deal’s annual cost against your current cap-based cost and against the exit fee if you might leave early. As a practical rule, if a fixed deal is within a few per cent of your capped price and you want budget certainty, fixing is worth considering; if the fixed premium is large, a tracker tariff keeps you close to the cap with the freedom to switch. Free Price Compare shows both fixed and variable options side by side so you can judge the trade-off for your usage. For wider savings, see our guide to cutting energy costs.

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How do I switch between British Gas and EDF?

Switching between British Gas and EDF Energy takes around five working days and is protected by Ofgem’s switching rules, so your supply is never interrupted and you keep the same meters and cables. Start by taking a meter reading, then run a comparison using your postcode and annual usage in kWh, which you can find on a recent bill. Choose your tariff, and the new supplier arranges the switch and closes your old account.

Before switching, check whether you are within an exit-fee window on a current fixed deal, and confirm any outstanding balance is cleared or transferred. If you are in credit, your old supplier must refund it. There is a 14-day cooling-off period on most switches during which you can cancel without penalty. Households on the Priority Services Register or receiving the Warm Home Discount keep those protections when they switch, though you may need to re-register with the new supplier. Compare British Gas and EDF against the whole market through our energy comparison service to make sure you are not overpaying on either.

• British Gas Exit Fees & Switching Guide: Avoid Extra Charges
• British Gas vs E.ON Next – Who Is Better?
• So Energy vs British Gas Which Is the Better Supplier?
• E.ON Next Business Energy Tariffs & Prices
• British Gas Renewable Energy: How Green Are Their Tariffs?

Information correct as of 11 August 2026. Prices, tariffs, policy details and providers change frequently, so please check the latest details before making a decision. This article is for general information only and does not constitute financial advice. Free Price Compare is authorised and regulated by the Financial Conduct Authority (FCA).