bonus 100 new memberMillions of Nationwide Building Society customers are set to receive a free £100 bonus as part of its ... million members will receive the bonus. ... 31 can benefit from aNationwide began its Fairer Share bonus in 2025 when it paid 3.4million members £100 each. In June 2025, it handed 3.85million members £100 each , dishing out 3.85million.