The £51 Billion Question

How much does poor mental health cost UK employers?

Poor mental health costs UK employers £51 billion every year, according to Deloitte's latest research. The biggest single contributor is presenteeism, at around £24 billion, which is when people come to work unwell and cannot perform at their best. The rest comes from absence and staff turnover. The same research shows that for every £1 an employer invests in mental health support, they see an average return of £4.70.

Let that sink in for a moment. £51,000,000,000. A lot of zeros.

And here's what I find most interesting. The biggest cost isn't the empty desk. It's the full one. Presenteeism is invisible. The person is there, replying to emails, sitting in meetings, saying they're fine. But they're running on empty, and the quality of their work, their decisions and their relationships is quietly draining away. No absence report will ever show it.

I've spent over 20 years in workplaces across the UK, from HSBC to the NHS to the MOD, and I can tell you the pattern is always the same. Organisations wait for a crisis before they act. But the numbers make the case for acting early: £1 in, £4.70 back. There aren't many investments that pay like that.

The good news? You don't need a huge budget to start. One hour of training can change how an entire team responds to a struggling colleague.

Want the business case for your board? Explore Mentality for Teams: www.mentality.work the award-winning one-hour course, or email hello@peterlarkum.com for more information