How much is the average gas and electricity bill per month?

The average annual energy bill for 2025 is £1,755 or £146 a month. This is based on ‘typical use’ in a household that uses gas and electricity.

Ofgem calculates this average billOpens in a new window based on a medium sized home with 2-3 people living there.

The cost of your own bill will depend on the type of property you live in, where you live, the heating system that you have, the energy efficiency of the property, the number of people living there and your personal usage. 

For people on the Ofgem price cap average gas billsOpens in a new window tend to be: 

• Flat or 1-bedroom house: £627.17 per year, or £52.26 per month 
• 3-bedroom house: £878.66 per year, or £73.22 per month 
• 5-bedroom house: £1,193.01 per year, or £99.42 per month 

These numbers are based on the average annual gas use for those household sizes. 

The average annual gas bill for 2025 was £970.72, or £80.89 each month based on government statisticsOpens in a new window from an annual use of 13,600 kWh/year. 

According to estimates by British Gas, the average electricity billsOpens in a new window by household type is:

• Flat or 1-bedroom house: £670.21 per year, or £55.87 per month

• 3-bedroom house: £960.05 per year, or £80 per month

• 5-bedroom house: £1,328.94 per year, or £110.75 per month

These numbers are based on the average annual electricity use for those household sizes.

The average electricity bill for 2025 was £1,144.53 or £95.37 a month, according to government figuresOpens in a new window from an annual use of 3,600 kWh/year.

Your bill could be lower or higher than this amount, even if you’re paying the price cap at the moment, as it will depend on your individual usage.

Find out more in our guide What to do if your energy bill is high.

The Ofgem price cap is now around £1,755 a year, although in 2022 it was as high as £2,500. Energy prices are still high in 2025 due to supply and demand on the global wholesale market. Fixed deals under the price cap are now open to both new and existing customers. Watch out for letters and emails from your supplier to see if there are any you can sign up for.

This demand has driven up the amount providers pay for gas and electricity and that cost is now being passed onto the consumer. 

The energy price cap only affects you if you live in England, Wales or Scotland.  

In Northern Ireland, energy prices are governed by the Utility Regulator. You can find out more about the help available with paying your energy bills(Opens in a new window) on the Consumer Council website. 

Your gas and electricity bills are not just the cost of the energy you have used. In fact, your energy bill is made up of lots of different costs.

The wholesale price of the gas and electricity (the amount it costs your energy supplier to buy it) makes up just over a third of your energy bill.

Networking, or the amount it costs to use and maintain the pipes and wires used to get the gas and electricity to your home, accounts for just over a quarter of your bill.

Operating costs, which are the expenses the energy company has to cover, also make up a proportion of your bill. 

Energy companies are also included in a number of government-backed programmes to save energy and reduce emissions. The cost of these is passed on to users and adds a percentage to energy bills.

VAT (Value Added Tax), profit margins and other costs make up the remainder of your energy bill.

Now you know the average gas and electricity bill across the UK and what makes up your bill, you might be thinking about how you can save energy and cut your bills.

Luckily there are a lot of ways to do this.  There are now good switches available, so it's worth exploring your options. You can check out our guide on comparison sites to find the best deals for you. Additionally, you can start by being sensible about using your heating and lights to reduce your energy consumption.

Insulation is also very important, helping to keep homes warm in the winter and cool in the summer. If you don’t have decent insulation or double glazing, then you’re obviously going to have to spend some money to save. 

If you are thinking of selling your home, you may wish to improve your EPC certificate rating.  This may help you sell your home more quickly and may increase its overall value. 

Energy Saving Trust have a guide to Energy Performance Certificates (EPCs(Opens in a new window) which has with useful tips on how to make improvements to keeping your home warm and save you money. 

Using your appliances on eco mode can help you use less energy. If you wear extra clothes or use hot water bottles or electric blankets to keep yourself warm, you might be able to save money on heating your home.

There are now good deals available by switching suppliers, so it's worth exploring your options. You can look into fixed-rate tariffs, as well as specialised tariffs like electric vehicle (EV) tariffs if you're an EV owner. Additionally, making your home more energy efficient can help reduce your bills.

Some suppliers also offer discounts for using energy at off-peak times or certain times of the week, so check your energy company's website to see if you can take part in something like this.

It can be very stressful if you are struggling with your energy bills. You may be worried about getting into debt and unsure how you will manage to afford to heat or power your home. 

Continuing to pay your bills is important, so get in touch with your supplier before you miss a payment or get into debt.  There are lots of ways that your supplier can help including working out a payment plan that works for you.