The 27 year-old is in his second season with West Ham after leaving Manchester United.
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Wan-Bissaka has never been capped by England.
He originally came through at Crystal Palace before being sold to United in 2019 for £50m.
Born in Croydon to Congolese parents, Wan-Bissaka represented both nations at youth level, featuring once for DR Congo's Under 20s before switching to England.
Before this week's commitment, Wan-Bissaka had played for England at U20 and U21 level.