Energy bills are one of those unavoidable expenses that can sometimes feel like a mystery. One month, they seem reasonable; the next, they’ve crept up without you even realizing it. And with the cost of living rising, finding ways to save on your gas and electricity has never been more important.
If you’re tired of juggling separate suppliers, dealing with multiple direct debits, or simply want a more cost-effective way to manage your energy, a dual fuel deal might be the answer. With a dual fuel tariff, you get both your gas and electricity from the same provider, often at a discounted rate compared to having two separate suppliers. It’s a simple switch that could make your life easier while also saving you money.
But with so many energy providers and tariff options out there, how do you find the best dual fuel deals that actually make a difference? Should you lock in a fixed-rate tariff, or would a variable tariff be more flexible in the long run? And is switching really worth the hassle?
The good news is that comparing dual fuel energy deals is easier than you might think, and the right tariff could cut your annual energy bill significantly. Whether you’re looking for the cheapest dual fuel supplier, an eco-friendly green energy deal, or simply want to know if you’re already on the best plan, we’re here to break it all down.
Let’s dive into everything you need to know about dual fuel tariffs—from their benefits to how to switch and what to look out for when comparing the best deals.
What are dual fuel deals?
A dual fuel deal is an energy tariff where a single supplier provides both your gas and electricity, rather than having separate providers for each. This type of deal is designed to make energy management more convenient by combining everything into one contract, one bill, and one point of contact for customer service. Many UK households opt for dual fuel tariffs because they simplify monthly payments and reduce the hassle of dealing with multiple energy companies.
A dual fuel deal is an energy tariff where both your gas and electricity come from the same supplier, instead of having separate providers for each. This means:
- One supplier, one bill – Everything is combined into a single monthly or quarterly bill, making budgeting easier.
- One point of contact – If there’s an issue with your energy supply, you won’t have to call two different companies.
- Potential savings – Many suppliers offer discounts or lower rates when you bundle gas and electricity together.
What are the benefits of a dual fuel tariff?
If you’re still wondering whether a dual fuel deal is the right choice, here’s why so many people prefer it:
1. Simplicity and convenience
Dealing with two separate energy suppliers can be a hassle. Different billing cycles, separate direct debits, and varying customer service teams can make it more difficult to track your energy costs and resolve any issues that pop up. It’s easy to forget a payment or lose track of how much you’re spending when your gas and electricity are handled by different providers.
With a dual fuel deal, everything is rolled into one. You get a single bill for both gas and electricity, meaning fewer payments to keep track of and just one company to contact if there’s ever a problem. Whether it’s a question about your tariff, a billing issue, or an account update, you don’t have to juggle multiple suppliers. This alone makes managing your household energy much simpler.
2. Cost savings
One of the biggest reasons people choose dual fuel tariffs is the potential to save money. Many energy suppliers offer special discounts or incentives when you bundle your gas and electricity together. These could be in the form of a lower rate, cashback offers, or a fixed discount on your bill.
That said, a dual fuel tariff isn’t always the cheapest option. It’s important to compare deals to make sure you’re actually getting a better price. Sometimes, getting your gas and electricity from separate suppliers can work out cheaper, depending on the tariffs available at the time. That’s why it’s always a good idea to shop around and see what works best for your budget.
3. Easier switching process
Switching energy providers can feel like a bit of a chore, especially if you’re managing separate contracts for gas and electricity. You have to handle two separate transitions, which means double the paperwork, different end dates, and potentially more hassle.
With a dual fuel deal, switching is much simpler. Instead of dealing with two different providers, you only need to move one account. This makes the transition smoother and quicker, and it reduces the risk of mix-ups or delays in service. Plus, many suppliers now offer hassle-free switching services, handling the entire process for you so you don’t have to do much at all.
What should I look for when comparing dual fuel deals?
Not all dual fuel deals are the same, so it’s important to know what to look out for when shopping around. Here are the key factors to consider:
1. Price and tariff type
For most people, the biggest reason to switch is to save money. But finding the best price isn’t just about looking at the cheapest headline rate—you also need to consider the type of tariff you’re signing up for.
- Fixed tariffs – These give you a set price for your gas and electricity over a fixed period, typically 12 to 24 months. This means your rate won’t go up even if energy prices rise, which can be a good option for budgeting and avoiding unexpected increases. However, if prices drop, you won’t benefit from lower rates unless you switch.
- Variable tariffs – These fluctuate with the market, meaning your bills could go up or down depending on energy price changes. While this can work in your favor when prices fall, it can also mean higher costs when rates rise.
- Dual fuel discounts – Some suppliers offer discounts when you bundle both gas and electricity with them, which can make the deal more attractive. However, these discounts vary, so it’s worth checking how much you actually save compared to separate tariffs.
- Standing charges – These are daily fees you pay regardless of how much energy you use. A deal with lower standing charges might be better if your usage is low, while those who use more energy might benefit from lower unit rates instead.
When comparing deals, always check the estimated annual cost based on your actual energy usage rather than just looking at the price per unit. This gives you a clearer picture of how much you’ll actually pay over time.
2. Exit Fees
Many fixed-rate dual fuel tariffs come with exit fees, which are charges you’ll need to pay if you switch before your contract ends. These fees can range from around £30 to £60 per fuel, meaning you could be hit with a £120 charge if you leave early.
If you value flexibility and think you might switch again soon, it’s worth looking for tariffs with no exit fees. Some suppliers offer competitive fixed deals without tying you down, which can be a great option if you want stability without being locked in.
Another thing to consider is whether your supplier offers a grace period before the contract officially ends. Some companies allow you to switch in the last few weeks of your deal without penalty, so check the terms before committing.
3. Customer service ratings
A cheap energy deal isn’t much good if the supplier has terrible customer service. You don’t want to be stuck with long wait times, confusing bills, or unhelpful support when you need assistance.
When comparing suppliers, check:
- Billing accuracy – Are there complaints about incorrect bills or unexpected charges?
- Customer support response times – Can you easily reach them via phone, chat, or email when you have a problem?
- Ease of switching – Do customers report issues when moving to or from the supplier?
- Online account management – Can you easily check your usage, submit meter readings, and manage payments online?
How do I switch to a dual fuel energy tariff?
Switching to a dual fuel deal is a lot easier than you might think. Many people put off switching because they assume it’s complicated, but in reality, the process is straightforward and usually handled by your new supplier. Here’s how you can switch in just a few simple steps.
1. Compare dual fuel deals: The first step is to find the best deal for you. Energy prices can vary significantly between suppliers, so it’s always worth comparing tariffs before making a decision. You can use an energy comparison website to see the latest dual fuel offers or check with suppliers directly. When comparing, look beyond just the price—check if the tariff is fixed or variable, whether there are exit fees, and if there are any discounts for choosing a dual fuel deal.
2. Check exit fees: If you’re currently on an energy contract, you’ll need to check whether you’ll be charged an exit fee for switching early. Some fixed-rate tariffs charge a penalty if you leave before the contract ends, which could reduce any potential savings from switching. If your deal is coming to an end, you may have a window of time where you can switch without paying a fee. If you’re on a standard variable tariff, you’re usually free to switch at any time without penalties.
3. Sign up with your new supplier: Once you’ve found the best dual fuel tariff, the next step is to sign up with your new supplier. Most suppliers will allow you to complete the process online, and once you’ve submitted your details, they’ll take care of the switch for you. You won’t need to contact your old supplier—your new provider will handle the transfer, including notifying your previous supplier and setting up your new account.
4. Provide a final meter reading: Before your switch is finalized, you’ll need to submit a final meter reading to your old supplier. This ensures you’re only charged for the energy you’ve actually used and prevents any disputes over your final bill. Your new supplier may also ask for an opening meter reading to ensure accurate billing from day one. If you have a smart meter, this process may be automatic, making it even easier.
How much is an average annual dual fuel bill?
The cost of a dual fuel bill depends on several factors, including your energy consumption, location, and the type of tariff you’re on. On average, a typical UK household spends between £1,500 and £2,500 per year on gas and electricity. However, this can fluctuate based on energy market changes, supplier pricing, and seasonal usage. If you use more energy during the winter months, your annual costs may be higher. The best way to get an accurate estimate for your household is to check your previous bills or use an energy calculator to compare your current usage against available tariffs.
Which is the cheapest dual fuel supplier?
The cheapest dual fuel supplier isn’t fixed—it changes regularly based on market conditions, energy prices, and tariff adjustments. Some suppliers consistently offer competitive pricing, but what’s cheapest for one household might not be the best deal for another. In recent years, some of the most affordable suppliers have included:
- Octopus Energy – Well-known for transparent pricing, good customer service, and a strong focus on renewable energy.
- E.ON Next – Often offers competitive fixed-rate tariffs, helping customers lock in stable prices.
- British Gas – Frequently provides dual fuel discounts and has a range of tariffs to suit different usage levels.
To find the cheapest supplier for you, it’s best to compare deals using an energy comparison tool or check directly with suppliers for their latest offers.
How else can I save money on my energy bills?
Even if you find a great dual fuel deal, there are still ways to reduce your overall energy costs. Simple lifestyle changes and home improvements can make a significant difference:
- Use a smart meter – Smart meters help you monitor your real-time energy consumption, making it easier to cut down on unnecessary usage.
- Turn off appliances instead of leaving them on standby – Devices left on standby still consume power, so switching them off completely can save money over time.
- Improve home insulation – Proper insulation, such as loft or cavity wall insulation, helps keep your home warmer in winter and cooler in summer, reducing your energy needs.
- Switch providers regularly – If you’re out of contract, you could be paying more than necessary. Regularly checking for better deals ensures you’re always on the best tariff.
How can I find the best dual fuel deal?
Finding the best dual fuel deal means comparing tariffs from different suppliers, considering factors like pricing, contract terms, and customer service. Start by checking comparison websites to see the latest offers. Look for suppliers that provide fixed tariffs if you want price stability or consider variable tariffs if you’re comfortable with price fluctuations. Customer reviews can also give you insight into how reliable a supplier is in terms of billing accuracy, support, and responsiveness.
Can I get a green dual fuel deal?
Yes! Many suppliers now offer green dual fuel tariffs, which include 100% renewable electricity and carbon-offset gas. Providers like Octopus Energy, Bulb, and Ecotricity focus on eco-friendly energy options, helping you reduce your carbon footprint while still benefiting from a dual fuel deal. Green tariffs are becoming more competitive, so you don’t always have to pay extra for sustainability.
How do I know if I already have a dual fuel deal?
If you’re unsure whether you’re on a dual fuel tariff, checking your energy bill is the easiest way to find out. If both your gas and electricity come from the same supplier and are listed on the same bill, then you’re already on a dual fuel plan. If you receive separate bills from different suppliers, you’re on separate tariffs and may want to compare deals to see if switching to a dual fuel plan could save you money.
Final thoughts
Finding the best dual fuel deals can help you save hundreds of pounds a year while making your energy bills simpler to manage. Whether you’re switching for cheaper prices, better service, or greener energy, the key is to compare deals regularly and look for discounts.
Want to start saving? Take a few minutes to compare the latest dual fuel deals—you might be surprised at how much you can cut from your bill!