In Kat's absence, Alfie and Roxy become close friends and Roxy tells Alfie that she is in love with him. This makes things awkward and she quits her job at the pub. After a while, Alfie manages to convince Roxy to return and offers her a place to stay. Jean is conned out of money that belongs to The Queen Victoria while Alfie is away and when he returns, he borrows money from Roxy to pay the bills, angering Kat. Alfie starts a pub football team and pays more attention to that than to Kat, so she starts an affair. Kat tries to resist but eventually the affair turns to love. When Kat's lover sends her flowers, Alfie becomes suspicious and asks Kat if she is seeing someone else. She denies it initially but eventually admits it, refusing to say who the other man is. Alfie demand Kat end the affair but Alfie struggles to trust Kat, especially when he finds a ring he thought had been pawned. Wanting to catch her out, Alfie says he will be away overnight and follows her to a nearby flat, demanding to know who Kat is seeing but she still refuses to name him. Alfie finds a letter to "Mr. Branning" and confronts the three brothers, attacking Max when he sees that Kat is calling. Kat arrives and tells him that she is seeing Derek. Alfie throws Kat out again and Derek makes matters worse when he plays Alfie a message, asking to meet. Alfie punches Derek and tells him that he is barred before giving Derek his wedding ring to give to Kat. Alfie starts dating Roxy and asks her to move in and they declare their love for each other. Alfie helps Kat when she is questioned over stolen goods, but to prove to Roxy that he loves her, Alfie decides to get a divorce. Alfie and Roxy decide to try for a baby, but when Kat and Alfie's decree nisi comes through, it is apparent that Alfie still loves Kat. He is determined to move on so proposes to Roxy and she accepts.