Map of London

We’ve looked at where you can get the cheapest gas and electricity prices in the London area to give you an idea of what you could be paying if you switched energy suppliers and how much you could save on your energy bills.

Who are the cheapest energy suppliers in London?

By using the current prices for tariffs in London and the average gas and electricity usage for a 3-bedroom home, we have found the below energy providers currently have the cheapest tariffs near you:

Supplier NameTariff NameTariff TypeMonthly CostAnnual Cost
Octopus EnergyOctopus Fixed12mFixed£139£1,667
Outfox The MarketFix’d DualFixed£140£1,684
ScottishPowerHelp Beat Cancer FlexiVariable£140£1,685
British GasFixed TariffFixed£140£1,686
E.ON NextNext Fixed 18mFixed£141£1,687
EDF EnergySimply FixedFixed£141£1,688
This was last updated on 1st February 2025.

If you want to look at all the cheapest energy suppliers right now, check out our up-to-date guide here.

Who is the best energy supplier in London?

When looking at energy suppliers, it is important to not just focus on price.

Using data from Trustpilot, we have highlighted the best-performing energy suppliers that are available in London below:

Supplier NameReviews RatingNo. Reviews
Octopus Energy4.8480,000+
OVO4.5198,000+
EDF Energy4.7118,000+
E.ON Next4.5145,000+
British Gas4.2265,000+

What are the maximum standing charges in London?

Your standing charge is a daily fee you must pay to your energy supplier regardless of your energy usage. Under the rules of the Ofgem price cap, a company is allowed to charge a maximum amount, which varies depending on where you live.

London falls under the South area, meaning standing charges are currently capped at 31.3p per day for gas and 64.27p per day for electricity. This means that whoever your supplier is, these are the maximum amounts they can charge you.

Combined, this gives a maximum standing charge for gas and electricity of 95.57p.

This means that London is in the area ranked 8th out of the 14 regions in terms of maximum standing charges rates (14th is highest). The capped price is 3% higher than the average.

These rates are based on the January 2025 price cap.

What are the maximum unit prices in London?

Your unit rate is how much you are charged per unit of gas or electricity you use. These units are measured in kWh.

Similar to standing charges, a supplier can charge a maximum for each unit of gas or electricity, which varies depending on your area.

In London, as it is in the South, the cap on the unit rate for electricity is 24.98p and the maximum unit rate for gas is 6.42p.

Combined, this gives a maximum unit charge for gas and electricity of 126.97p.

This means that London is in the area ranked 9th out of the 14 regions in terms of maximum unit prices (1st is lowest). The capped rate is 3% higher than the average.

Again, these are based on the January 2025 price cap and will next be updated in April 2025.

Which distribution network covers London?

The UK’s energy distribution network is supported by several key companies, each responsible for specific regions. These firms manage the infrastructure delivering energy to homes and businesses, ensuring a reliable supply.

Due to being based in the South region, the distributor for London is SSE Power Distribution.

SSE Power Distribution, evolving from the UK’s electricity privatisation, maintains and updates the network that brings electricity to homes and businesses. They focus on ensuring a reliable supply and integrating renewable energy, aligning with the UK’s sustainability goals. Their work is crucial for modern energy needs and environmental responsibility.

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