New joint research by AJ Bell and Opinium has uncovered a shocking story. Over 50% of adults in relationships confess to hiding spending from their partner, frequently without their partner’s awareness. The survey, which involved 4,000 adults, highlights a growing trend of concealed financial habits that could have significant implications for couples’ financial health.
Some of the most surprising revelations included, on average men claiming to spend £2,545 a year in secret. By comparison, women said they spent an average of £1,769 over the same time. This imbalance is problematic in terms of transparency and the public’s trust in partnerships and relationships.
Clothing turned out to be the most popular category for hidden buys for both sexes. The survey found that 1 in 5 men and 1 in 3 women bought under-the-radar clothing. Men are frequently given to uncontrolled vice spending on things like cigarettes and booze. In reality, 19% have confessed to hiding these costs.
Our research uncovered generational divides in secret spending as well. Adults over 55 surreptitiously spent £384 last year on average. In sharp contrast, Gen Zers reported an eye-popping average of £4,303 in hidden costs. These statistics painted a pretty clear picture of how younger generations frequently resort to stealthy money moves. This inclination may exacerbate preexisting tension in their familial dynamics.
Laura Suter, personal finance director at AJ Bell, highlighted the impact of these spending habits. She noted that secret spending is “likely to be one of the quickest routes to financial friction in a couple.” Suter stressed the need for open communication about money in relationships.
“Ultimately, you don’t have to report every time you buy a coffee or get your nails done to your partner, but major costs, recurring habits or anything that risks derailing a joint financial plan should be on the table.” – Laura Suter
According to Suter, when partners conceal spending, it becomes “difficult to budget properly or plan for longer-term goals like buying a home, building an emergency pot or saving for retirement.” This kind of fiscal disparity can foster resentment and develop into a deeper rift in any relationship.
The findings serve as a reminder for couples to maintain transparency about their finances and address any underlying issues that may contribute to secret spending. Through honest dialogue and transparency, stakeholders can collaborate to find mutually beneficial fiscal outcomes while minimizing the risk of future misunderstandings or disagreements.

