Simple Ways to Cut Your Household Energy Costs

Start by Understanding Where Your Money Goes

Before you start unplugging things at random, it helps to know which parts of your home are the hungriest. For a typical UK household, space heating accounts for roughly half of the annual energy bill, hot water takes another sizeable slice, and everything else — lighting, cooking, appliances and gadgets — makes up the remainder. That balance matters, because it tells you where a little effort pays back the most.

If you have a smart meter, use the in-home display for a week and watch what happens when the heating clicks on or the tumble dryer starts. If you don't, take a meter reading on a normal weekday morning, take another the next morning, and compare. Once you can see the number, shrinking it becomes far less mysterious.

Free Habits That Add Up Quickly

None of these cost a penny, and together they can trim a noticeable amount from your bills over a year.

• Shorter showers. Cutting a ten-minute shower to five can save a household well over £50 a year if you have a power shower, and the saving is doubled if you're heating water with gas or electricity.
• Switch off standby. Televisions, games consoles, set-top boxes and chargers sip power around the clock. A smart plug or a simple switched extension lead lets you kill a whole cluster at once. The average home wastes somewhere between £30 and £80 a year this way.
• Full loads only. Wait until the washing machine and dishwasher are genuinely full. Two half-loads use more water, more detergent and more electricity than one full one.
• Wash cool. Modern detergents clean perfectly well at 30°C. Dropping from 40°C to 30°C across a few washes a week is a quiet but real saving.
• Close doors and turn things down. Heating an empty room is money straight out of the window. Shut doors to unused rooms and turn the radiator valve down, not off, so nothing freezes.

Draught-Proofing: The Cheapest Heat You'll Ever Buy

Every cubic metre of cold air that sneaks in has to be warmed up, and you paid for that warmth. Draught-proofing is inexpensive, quick, and often the single best value job in the house.

• Letterboxes and keyholes. A brush seal and a keyhole cover cost a few pounds and take minutes to fit.
• Doors and windows. Self-adhesive foam or brush strips around frames make a surprising difference, especially on external doors.
• Chimneys. An unused open fireplace is a large, permanent hole in your insulation. A chimney balloon or draught excluder stops warm air vanishing upwards.
• Floorboards and skirting. Fill gaps with flexible sealant; a cold draught across the floor makes a room feel far chillier than it is.
• Curtains and blinds. Close them at dusk to trap warmth, but keep radiators clear so heat circulates rather than soaking into the back of a sofa.

Getting More From Your Heating and Hot Water

Your thermostat setting is the biggest single lever you have. Turning it down by just one degree can cut heating bills by around 10%, and most people genuinely don't notice the difference once they're wearing a jumper. Aim for 18°C to 21°C in living areas and lower in bedrooms.

Then look at the details. Bleed radiators so they heat evenly top to bottom. Fit thermostatic radiator valves and use them to keep spare rooms cooler. Set your heating timer to match the hours you're actually at home rather than leaving it on all day in a half-hearted attempt to save money, which rarely works.

If you have a combi boiler, check the flow temperature: many are set far higher than needed. Running it lower means it condenses more efficiently and your hot water still arrives plenty warm. If you have a hot water cylinder, lag it with a decent insulating jacket and set the cylinder thermostat to around 60°C — hot enough to keep bacteria at bay, cool enough to be economical.

Appliances, Laundry and Lighting

The kitchen is full of small wins. Use a microwave or air fryer instead of the big oven for small portions, boil only the water you need in the kettle, and put lids on pans. Defrost the freezer regularly: a build-up of ice makes the compressor work harder for the same result. When you're replacing anything, check the energy label — a well-rated appliance can cost far less to run over its lifetime, which often outweighs a slightly higher price tag.

For drying, a clothes airer in a ventilated room beats a tumble dryer every time. And with lighting, replacing the last few old halogen bulbs with LEDs is a one-off cost that pays for itself quickly, since LEDs use roughly a tenth of the power.

Review Your Tariff, and Ask for Help If You Need It

Loyalty is rarely rewarded in the energy market. Set a yearly reminder — pick a date you'll remember, such as the week your bill arrives after a price change — to check what other tariffs are available and whether a fixed deal suits your circumstances. Standing charges vary too, so compare the whole picture rather than just the unit rate.

If you pay by direct debit, check your account isn't sitting in a large credit balance; ask for it to be reviewed. If you're struggling, contact your supplier early, before arrears build. They are obliged to offer payment plans, and there are grants and schemes, including help with insulation, available through suppliers and local councils. The sooner you ask, the more options you have.

None of this requires a renovation or a big outlay. Pick two or three changes, give them a fortnight, and check the meter again. Small, steady adjustments are how most households quietly bring their bills under control.