Kat and Alfie split up because Kat cheated on him. This led to their separation after they had moved to Spain.
The couple, known for their tumultuous relationship, experienced a period of reconciliation after which they welcomed twin sons, Bert and Ernie. In 2016, their fortunes changed when they won the lottery, prompting them to leave Walford and relocate to Spain. However, their new life abroad was not without its challenges.
Two years after their move, Kat returned to Walford in a financially difficult situation, having become broke. Her return also revealed that she and Alfie had separated again, with the reason for their renewed split being her infidelity.
Key Events Leading to Their Split:
- Reconciliation and Family Expansion: After previous separations, Kat and Alfie reconciled and had twin sons, Bert and Ernie.
- Move to Spain: They won the lottery in 2016 and subsequently moved from Walford to Spain.
- Infidelity and Separation: After approximately two years, Kat cheated on Alfie, leading to their split.
- Return to Walford: A broke Kat returned to Walford, indicating the finality of that particular separation from Alfie.
