Can ‘no cheating’ be a condition of a pre-nup in the UK?

When infidelity shakes the foundations of a marriage, it is not only the emotional impact but also the financial aspects of separation and divorce that become a reality. Increasing numbers of couples are drawing up pre-nuptial agreements before getting married in a bid to protect their assets, and a high percentage of those are inserting an infidelity clause. But what does this mean, and can no cheating be a legally binding condition? Read on to find out.