14 ways to save on your energy bill

With the price of energy remaining well above pre-pandemic levels, you’ll want to do what you can do to keep your bills low.

Light bulb and pile of coins
LED light bulbs use less energy than traditional bulbs and will save you money in the long run
(Image credit: © Getty Images)

The Ofgem energy price cap for the period between 1 January and 31 March marginally rose by 0.2% compared to the previous quarter.

For a typical household on a dual-fuel tariff paying by direct debit, the average annual energy bill will be £1,758 for the first quarter of 2026, although those who use more energy will pay more than this, as the price cap is a cap on unit prices, not your total bill.

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It will bring the average annual bill to around £1,641, with the savings mostly coming from the government’s policy of axing green levies from household energy bills.

However, despite bills being set to fall by £117 in April, the price of energy will still remain much higher than it was before the 2022 energy crisis.

It’s also worth noting that the price cap is on unit prices, not your total bill, so if you use more, you will pay more.

How to save on your energy bill now

Switch to LED bulbs

LED bulbs use less energy and will save you money in the long run. They cost just a bit more than traditional bulbs – you can get a pack of three LED bulbs from Amazon for around £8.

If the average UK household replaced all of their halogen bulbs with LEDs, it would save about £40 a year on bills, according to the Energy Saving Trust.

Use an energy-efficient shower head

You can cut down on bills by spending less time in the shower; taking four-minute showers could save you £95 a year, according to the Energy Saving Trust.

Using an energy-efficient shower head could further reduce your energy usage. These can cost as little as around £10 and, according to the Energy Saving Trust, this switch could shave £28 off a family of four’s energy bills and around £47 off your water bill per year.

Wash your clothes at a lower temperature

You can save around £27 a year by running your washing machine on a 30-degree cycle, and by reducing your washing loads by just one run per week for a year, according to the Energy Saving Trust

Adjust your boiler to save on energy costs

You can slash around £25 a month off your energy bill by turning your flow temperature down by a few degrees on your boiler – we explain the two boiler tricks everyone needs to know about in our article: two boiler tricks to cut hundreds off your energy bill.

You can also cut costs by turning off your boiler’s preheat function, which ensures hot water is ready to go at all times – you could shave anywhere between 5% to 10% off your energy bill by only turning it on just before you need it.

Bleed your radiators

This may sound obvious, but it’s easily forgotten: making sure you bleed the radiators will keep your house warmer for longer. If there are any cold spots on the radiators while your heating is on, it means air is trapped in the system.

Turn your heating down

You could save as much as £80 a year by turning your thermostat down by just one degree, according to comparison website uSwitch. Experts say the ideal temperature for most healthy people is around 18 degrees.

Draught-proof your home

Draught-proofing around windows and doors could save you around £60 a year, says the Energy Saving Trust. Draught-proofing your chimney could save you an extra £390 a year – this can be done with something as simple as a chimney sheep.

For windows, you can buy draught tape, which can cost less than £10. And for doors, you can also buy door draught excluders that cost around £20.

Turn off lights

The Energy Saving Trust estimates that a typical household could save almost £8 a year by switching off the lights as they leave a room.

Switch off standby

You could save around £45 annually by turning off your appliances in standby mode, either by switching them off at the plug or unplugging them, the Energy Saving Trust estimates.

But before you do, be sure to check the instructions for your appliances, some TV recorders for example, may need to be left plugged in so they can keep track of any programmes you want to record.

Insulate your home

Around 25% of the heat from your house escapes through the roof. You can save up to £130 a year by padding your loft to prevent warmth from escaping. You could also install double or triple glazing on your windows.

Check to see what government grants are on offer. For example, you may be able to get support from the Great British Insulation Scheme.

Insulate your hot water cylinder

Insulating your hot water cylinder, if you have one, could save you £70 a year. By helping keep the water warm, you will use less energy in heating it up.

Andy Simms, renovation expert from MyBuilder.com, comments: “A hot water cylinder jacket is a cheap hack that costs just £20 but can realistically save you hundreds of pounds over the years."

The Energy Saving Trust suggests you use a British Standard Jacket 80mm thick.

Buy a smart thermostat

Investing in a smart thermostat could help you save money over time. These let you control and programme when your heating and hot water are turned on and off, saving you having to do it manually but also ensuring you won’t accidentally forget. You can also change temperatures remotely from your phone when you’re not at home.

Smart thermostats range from around £135 to £200 in price, and there may be installation costs too. But, they could cut your energy costs by between 14% and 31%.

“This means that for the average household they could knock about £560 off your bill in a year,” says Stephen Hankinson, managing director at Electric Radiators Direct. “Factoring in the upfront cost, those who do install these may start seeing some savings after around four months.”

Get a new boiler

This is definitely a more expensive option but worth considering if your boiler is over 10 years old. Repairing one could set you back by as much as £4,000.

At the very least, get your boiler serviced regularly. Simms notes: "The last thing you need when the temperature plummets is to be without heating. Getting your boiler serviced ahead of cold weather ensures you will stay warm, and can prevent more costly issues with our boiler in the future."

Install thermostatic radiator valves (TRVs)

TRVs help control the temperature of a radiator. If you don’t already have them on the side of your radiator, installing them could save you up to £75 a year, according to the Energy Saving Trust. Controlling the heat in your main living space and lowering it in rooms you don’t use as often will help you save money.

More energy-saving tips

If you're wondering whether it's worth buying a heat pump (and maybe solar panels too), or trying to work out the cheapest way to heat your home, we have lots of handy articles for you:

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Nicole García Mérida

Nic studied for a BA in journalism at Cardiff University, and has an MA in magazine journalism from City University. She has previously worked for MoneyWeek.

With contributions from