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Octopus Energy is urging UK households to follow a '4pm rule' as temperatures drop and energy costs remain high. The strategy has previously gained attention after being endorsed by Money Saving Expert (MSE) founder Martin Lewis , who suggests it can help retain warmth and potentially reduce bills.

He initially discussed it on ITV's The Martin Lewis Money Show a few years ago, but with the cost of living crisis continuing to squeeze UK homeowners' wallets, it remains applicable today. His team of specialists on the official MSE website also verified that despite the segment being recorded in November 2022, "the tips still work".

The approach involves adhering to a particular 'rule' at a designated time daily to optimise warmth in your property without depending too hea

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