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UK Faces Cold Snap: Heating Efficiency Tips Amidst Sub-Zero Temperatures

1/7/2026, 1:26:58 AM

Current Weather Conditions and Health Alerts

The United Kingdom is experiencing a rare cold snap, with heavy snowfall and sub-zero temperatures affecting much of the country. The Met Office has issued a yellow weather warning for snow, effective from Thursday evening until midday Friday. Concurrently, the UK Health Security Agency (UKHSA) has declared amber cold health alerts across England, warning of potential health impacts, particularly for individuals aged 65 and older or those with pre-existing health conditions.

Expert Recommendations for Efficient Heating

In light of the cold weather, experts emphasize the importance of maintaining warmth in homes while managing heating costs. Emily Seymour, energy editor at Which? magazine, advises against turning up thermostats to heat homes faster, stating that this practice does not increase heating speed but rather raises energy bills. Instead, she recommends using radiator valves effectively, keeping doors closed to retain heat, and ensuring that radiators are not obstructed by furniture.

Heating experts concur on several key strategies to enhance heating efficiency. Tom Polkinghorne, director at Creations Building & Landscaping, highlights that many homes lose heat due to inefficiencies, suggesting that draught-proofing can save up to £85 annually. Experts recommend simple solutions such as using draught excluders, weather stripping, and ensuring that curtains are opened during the day and closed at night to retain warmth.

Thermostat Management and Temperature Settings

Proper thermostat management is crucial. Experts agree that setting thermostats between 18°C and 21°C is ideal, as every additional degree can increase heating bills by approximately 10%. Gav Murray, heating director at Hive, notes that cranking up the thermostat does not expedite heating; instead, it prolongs the time taken to reach the desired temperature, leading to higher energy consumption.

Nick Duggan, managing director at The Radiator Centre, emphasizes the importance of maintaining radiators in good condition, including regular bleeding to remove trapped air, which can hinder heating efficiency. Additionally, ensuring that the boiler's flow temperature is correctly set can optimize heating performance.

Health Considerations and Community Support

The UKHSA urges individuals to check on vulnerable friends, family, and neighbors during this cold snap, as the forecasted temperatures pose serious health risks, including increased chances of heart attacks and respiratory issues. Dr. Agostinho Sousa, head of extreme events and health protection at UKHSA, stresses the importance of community support during extreme weather conditions.

Conclusion

As the UK endures a significant cold snap, the focus on efficient heating practices is paramount. By implementing expert recommendations on thermostat settings, draught-proofing, and radiator maintenance, households can stay warm while managing rising energy costs effectively.