UK Households Urged to Follow 4pm ‘Curtain and Window’ Rule as Energy Firms Warn of Higher Winter Bills – 25 November 2025
As temperatures drop and sunset creeps towards 4pm, millions of UK households are being urged to close windows and draw curtains earlier in the afternoon – or risk paying more than they expect for winter energy bills. In the last few days, Octopus Energy, British Gas, and consumer champion Martin Lewis have all been linked to fresh advice about a so‑called “4pm rule” and the “right time” to use your curtains and windows to trap heat. Coverage in outlets including the Mirror, BirminghamLive (syndicated via Yahoo News) and the Daily Record has pushed these tips into the spotlight just as