when to turn heating on UK

5 Essential Steps to Take Before Switching on Your Heating This Autumn

Monday 01st Sep 2025 |

Households Urged to Take These 5 Steps Before Turning on the Heating


As the weather starts to cool, many households are tempted to reach for the thermostat. But is it too early to turn the heating on?

Energy experts at Grant Store have shared their advice on the best time to put the heating on, along with practical ways to keep homes warm without sending bills soaring.

“While there is no exact date to switch your heating on, once outdoor temperatures drop below around 15°C most people will start to feel the chill,” say energy experts at Grant Store. “For many households this tends to be in October or November, but it really depends on personal preference and how well insulated your home is.”

Newer homes with better insulation may hold heat for longer, meaning the heating can stay off for longer periods, while older properties may require more regular heating to maintain comfort.

With energy prices still a concern for many, the experts suggest taking steps to manage costs: “It is worth checking if you can get a better deal on your energy tariff. Discounted rates for new customers or cheaper variable tariffs can make a real difference, but always check for penalty fees if you leave a fixed deal early.”

when to turn heating on UK

They also recommend looking out for off-peak or low-cost energy periods offered by suppliers. “Running appliances such as washing machines or dishwashers during these times can help reduce costs,” they explain.

Before the coldest weather sets in, carrying out basic maintenance checks is advised. “Switch your heating on for a few hours in early autumn to make sure everything is working properly. This gives you time to arrange repairs before winter,” say energy experts at Grant Store.

Bleeding radiators is another simple step. “You will need a bleed key, a cloth and a towel to catch any water. After bleeding, check your boiler pressure. It should be between 1 to 1.5 when the heating is off and between 1.5 to 2 when it is in use.”

Simple home habits can also help retain warmth. “Keep curtains and doors closed during chilly evenings to prevent heat escaping,” the experts add. “Seal any gaps or cracks around windows and doors to make sure your home is fully insulated and ready for the colder months.”


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