Al grew up in Walford and knew Dot Cotton when he was a boy. Prior to moving back to Walford he lived in Ilfracombe, Devon but came to Walford to visit his mother, who has arthritis, and to take over the doctor's surgery from Dr. Poppy Merritt.
Al returned to Walford in 2009 and quickly became involved in the pregnancy of Heather Trott and got himself a job as the Squares doctor. Al then began dating Tanya Branning but her ex husband Max was determined to sabotage there relationship which eventually forced Tanya out of walford. Ending her relationship with Al.
In October 2009, Jean Slater comes to Al asking him to help cure her mentally ill daughter Stacey Branning. After trying to get her straight fails, Al arranges for her to be sectioned. Al then starts to organise the Children In Need party and starts an on off relationship with Roxy Mitchell even thought he is already dating Chelsea Fox but he dumps Chelsea after realising that Roxy is the one he really has feelings for.
When Roxy inherited a fortune from her fathers death. she begins to lose interest in Al and there relationship and more interesting in running The Vic. Al is then offered another job in Cornwall and is set to leave the Square for good until he realises that his feelings for Roxy have deepened and begs her to leave with him. After she declines he leaves Walford.