1993–2010

Peter and his twin sister Lucy Beale (Eva Brittin-Snell) are born off-screen on 9 December 1993, to Ian (Adam Woodyatt) and Cindy Beale (Michelle Collins). Peter is named after his paternal grandfather, Pete Beale (Peter Dean), who dies on the day Lucy and Peter are born, from a car accident with his girlfriend, Rose Chapman (Petra Markham). In 1996, Cindy hires a hitman to kill Ian, but he survives and fearing she will be arrested, she goes on the run with Peter and her eldest son, Steven Beale (Stuart Stevens), but she is unable to get Lucy. Ian hires a private investigator, who locates Cindy in Italy and Ian, his stepfather Phil Mitchell (Steve McFadden) and Phil's brother Grant Mitchell (Ross Kemp), go to Italy and take Steven and Peter. Cindy returns to Walford with her boyfriend, Nick Holland (Dominic Taylor), and she wins custody of Steven, Lucy and Peter, but is arrested for attempted murder and is remanded in custody, so the children remain with Ian. In November 1998, Cindy supposedly dies of complications after giving birth to hers and Nick's daughter Cindy Williams (Eva Wortley and Cydney Parker). Steven, Lucy and Peter grow up with various stepmothers: Melanie Healy (Tamzin Outhwaite) splits from Ian straight after marrying him in Millennium Eve due to her finding out Lucy (now Casey Anne Rothery) was not sick with cancer as initially feared and in July 2003, Ian's wife Laura Beale gives birth to hers and Ian's son, Bobby Beale (Kevin Curran), who is Peter and Lucy's younger half-brother, and they separate when Ian denies paternity. Laura later dies in 2004.

Peter is injured in a fair ground collapse in June 2004 but is saved from the wreckage by Den Watts (Leslie Grantham) and his son Dennis Rickman (Nigel Harman). Ian meets Jane Collins (Laurie Brett) at this fair and Lucy and Peter struggle to bond with Jane due to Ian's past relationships, but Ian's aunt, Pauline Fowler (Wendy Richard), convinces them to give her a chance. In May 2007, Ian and Peter go camping with Phil and his son, Ben Mitchell (Charlie Jones). On the drive home, there is a car accident and Peter and Ben are trapped in the car. Ben is conscious but Peter is knocked unconscious. Peter and Ben are rescued by Phil.

A budding athlete, who is Peter's PE teacher, tells Ian that Peter could compete in the 2012 Olympics. Keen for Peter to succeed, Ian begins putting pressure on him to train hard and is unhappy when Peter is distracted by Lauren Branning (Madeline Duggan), who Peter begins dating in December 2007. Lauren's father, Max Branning (Jake Wood), is also unhappy, especially when he catches Peter and Lauren playing truant and drinking alcohol and Max orders Peter to end the relationship in October 2008 but Peter tries standing up to him. Max angrily grabs Peter and throttles him so Peter tells Lauren that Max was behind their breakup, making Lauren so angry that she tries to run Max over. Peter later gives evidence in court, and when Lauren returns home (after being found not guilty of attempting to murder Max) in April 2009, Peter settles his differences with Max and declares his love for Lauren.^[5] Peter tries to look impressive by lying that he and Lauren have had sex in the allotments. Lucy and Jay Brown (Jamie Borthwick) quickly spread this rumour at school and Lauren dumps Peter. Peter and Lauren reconcile and Lauren tells Peter she is ready to have sex. However, Lauren's mother, Tanya Branning (Jo Joyner), finds the condoms Peter and Lauren are using and Lauren's older half-brother, Bradley Branning (Charlie Clements), overhears Peter talking about it. The next day, Peter and Lauren try to see each other in secret but fail. Peter tells Max that he loves Lauren and Max finally accepts it.

At a party, Peter meets Zsa Zsa Carter (Emer Kenny) and they end up kissing, which Lauren sees. Lauren slaps Peter and Zsa Zsa, causing an argument. Peter discovers Leon Small (Sam Attwater) slept with Lucy (now Melissa Suffield) while he was seeing Zsa Zsa, causing a violent confrontation. Later, Peter finds Lucy's letter from the abortion clinic and Peter assures Lucy he is behind her but does not support Lucy's decision to let Jane and Ian raise the baby and later learns that Lucy has miscarried. He begins sending anonymous gifts to Zsa Zsa but is caught out by Leon and his friend Arthur "Fatboy" Chubb (Ricky Norwood). Lucy plans to separate Leon and Zsa Zsa by exposing their affair and tells Zsa Zsa about the baby. Zsa Zsa is disgusted and during a confrontation, Leon announces that Lucy had an abortion. Peter is disgusted as he knows how much Jane wants a baby and is shocked further when he discovers Ian knew.

Peter is annoyed when his father assumes Lucy will get better GCSE grades than him. They both get good grades but Lucy's are exceptionally better. As the family celebrate, they are interrupted by Mr Allcock (Bill Buckhurst) who reveals that Lucy's results are inconsistent and there has been an allegation of cheating, meaning the exam board will have to look at Lucy and Peter's exam papers. However, Lucy admits cheating and gets Peter out of trouble. When Jane realises that Lucy may have had an abortion, Peter confirms this. Lucy decides to move to Devon to avoid spending another year studying, while Jane secretly plans to leave Ian. At Billie Jackson's (Devon Anderson) birthday party, Peter ends up kissing Whitney Dean (Shona McGarty). Whitney stays the night but later regrets it when Billie is found dead, believing that she could have saved him if she had stayed at home. Whitney later goes to Peter for comfort, and the couple start dating. Peter soon develops strong feelings for Whitney and plans to ask her to marry him. At Peter's birthday party, Ian insults Whitney, calling her "a walking STD", making Peter storm out and is devastated when Whitney dumps him. He gets drunk and vomits on Glenda Mitchell (Glynis Barber). Jane is supportive and understanding but Ian is resentful. Peter learns that Ian and Glenda are having an affair and he warns Glenda to keep her distance, making her think that he pushed her down the stairs in her flat. Upset with Ian, Peter throws a brick through his chip shop window. Glenda tells Ian that Peter admitted pushing her and Phil confronts Peter at a family gathering, Ian does not defend Peter, although no one knows that Ben is responsible. Later, Ian begs for forgiveness, and promises to tell Jane about the affair. Disgusted, he packs a bag and leaves a card for Jane saying "I'm sorry" before joining Lucy in Devon. Ian later receives news that Peter and Lucy have been involved in a car crash and takes Bobby (Alex Francis) to visit them. On her return, Lucy (now played by Hetti Bywater) reveals that she fell out with Peter as he dated her friend, Leanne, in Devon.

2013–2015

Peter (now Ben Hardy) returns to Walford when Ian invites him to the opening of his new restaurant, Beale's. He learns that Lucy took control of Ian's businesses when Ian had a mental breakdown. Ian wants his businesses back and tricks Lucy into signing everything back to him; Peter confronts Ian but forgives him. Peter is shocked when his half-sister Cindy Williams (Mimi Keene) arrives and wants her to return to Devon because she aware of his secret, but she chooses to remain with the Beales. Peter later tells Lola Pearce (Danielle Harold) that his friend Gaz died while they were swimming because he pushed him to go further out to sea. Peter did not tell Gaz's family the details of what happened and this angers Lola, but they later start dating when she forgives him. Ian tells Peter that he is lying about witnessing Max Branning (Jake Wood) tampering with the car that injured Carl White (Daniel Coonan) and Phil, and Carl is blackmailing him to testify against Max and keep him locked up. For Lauren's sake, who is now a recovering alcoholic, Peter tries to get Ian to tell the truth and turns against Carl, resulting in a beating. Ian is stopped from testifying when he is kidnapped by Phil and Max, who have learned the truth. When Peter and Lola go public with their relationship, Phil and Ian reluctantly accept it and Peter moves in with Lola and her grandfather, Billy Mitchell (Perry Fenwick). In April 2014, Ian makes the discovery that Lucy has been taking cocaine and, in an attempt to reach out to her, tells her that she is his favourite, but Peter overhears and storms off, upset. The same night, Lucy is murdered (see Who Killed Lucy Beale?), devastating Peter and Ian, who begin searching for the truth.

Peter becomes reliant on Lauren for support as she was Lucy's best friend and business partner in a letting agency. A rift forms between him and Lola over his reliance on Lauren over her and they break up when Peter realises he is in love with Lauren and Lola is responsible for the publication of a well-meant article about Lucy that paints her as a rebellious teenager. Lauren rejects his advances as she has recently started dating Dean Wicks (Matt Di Angelo), but realises she is still in love with him when he rescues Kat Moon (Jessie Wallace) from a fire. Peter plans to leave Walford to live with Steven, but Lauren stops him and they declare their love for each other. Peter then leaves for a holiday with Steven in New Zealand. When he returns, he proposes to Lauren with Cindy's help (who has returned from Devon) and she accepts, but calls off the engagement almost immediately when Ian reveals that Peter was Lucy's cocaine dealer. Peter explains that he simply handled the drugs so Lucy would not come into contact with any dangerous drug dealers and she became addicted since they were staying in Devon several years ago with the addiction becoming stronger when Ian had his breakdown. Despite knowing this, Ian disowns Peter although Jane convinces him to let Peter move back in. In February 2015, Peter finds out that Lauren is pregnant with his child. When he offers to support her, she tells him that Lucy was murdered at home, leaving Peter thinking that either Ian or Jane killed Lucy. When the whole family learns that Bobby is the real killer, despite Jane trying to cover for him as she convinced him that he didn't, they try to tell him what he did. When Peter sees that the rest of the family do not want Bobby to know, he is furious. After realising that he cannot live with this secret, Peter announces he is moving to New Zealand to live with Steven and invites Lauren to join him. At first she rejects him but comes around soon after, and they both leave the Square together.

Seven months later, a heavily pregnant Lauren returns to Walford and gives birth to her and Peter's son, Louie, named in honour of Peter's deceased great-grandmother, Lou Beale (Anna Wing). She and Louie later go back to New Zealand to be with Peter. In May 2016, Ian's mother Kathy Beale (Gillian Taylforth) contacts Lauren and informs her that Bobby (Eliot Carrington) has brutally attacked Jane, leaving her in a coma. Ian is shocked when Lauren and Louie then return to Walford, with Steven instead of Peter. Lauren reveals that her relationship with Peter ended due to Bobby's secret and she is now with Steven. Later that year, Steven steals equipment, supplies and money from Ian's restaurant. Jane and later Lauren find out about it and Steven admits that he did it to help Peter, who has been getting into debt, drinking heavily and getting into fights since his breakup with Lauren. In February 2018, after the trauma of enduring Abi’s death, Lauren leaves Walford with Louie. Her grandmother Cora Cross (Ann Mitchell) later reveals that they have moved back to New Zealand, hinting that Lauren and Peter have reunited. A year later, Kathy tells Ian to tell Peter that Bobby has been released.

2020–present

In February 2020, Lauren's uncle Jack Branning (Scott Maslen) reveals to Max that Lauren and Peter have split up and he has been aiding Lauren with money. That same month, Peter (now Dayle Hudson) returns to Walford after being contacted by his grandmother Kathy Beale (Gillian Taylforth) that Bobby (now Clay Milner Russell) has been left comatose after being attacked, as a result of islamophobia. Peter has undergone a personality change and struggles to adjust to life in Walford. He is hostile towards Ian and Bobby, having never forgiven them for their role in Lucy's death, but agrees to see them after a talk with Kathy. Peter flirts with former girlfriend Lola, much to the annoyance of Lola's boyfriend Jay Brown (Jamie Borthwick). Peter and Lola have sex, but she immediately regrets it and warns Peter that it was a mistake. Peter becomes close to Dotty Cotton (Milly Zero) and they almost kiss, but are interrupted by Bobby. Peter bonds with Ash Panesar (Gurlaine Kaur Garcha), and also attracts interest from Ash's mother Suki Panesar (Balvinder Sopal) and they sleep together, unbeknownst to Ash. Despite this, Peter and Ash's friendship blossoms and they start dating when Ash’s relationship with Iqra Ahmed (Priya Davdra) ends. Peter decides to impress Ash by jogging around the square in a cape, however, he falls and injures himself. Ash gives Peter medication, despite not being on duty and having consumed alcohol, leading to her being suspended. Their relationship is tested again when Ash's brother Jags (Amar Adatia) is killed in prison, and Peter fails to support Ash and ignores her. He later becomes jealous when he sees Ash with another man.

After Ian disappears, Peter is left in charge of his restaurant, Walford East. He becomes disliked and clashes with his cousin Martin Fowler (James Bye) and Kat, when he organizes a racial discrimination campaign against her taxi firm when Ash believes that her employee Harvey Monroe (Ross Boatman), has made a racial remark towards her, which annoys Ash. Peter decides to sponsor a Christmas tree for Albert Square and enters into a brief feud with Mick Carter (Danny Dyer) and Janine Butcher (Charlie Brooks) when they successfully outbid him. Peter fails to warm to Kathy's boyfriend Tom "Rocky" Cotton (Brian Conley), who is impersonating as Sonia Fowler's (Natalie Cassidy) father, Terry Cant. Rocky is working with Dotty to fleece Peter and concocts a meat-free menu scheme for the restaurant, so Peter can buy his product and therefore take his money. Peter is reluctant and is furious when Kathy decides to invest in it. Peter becomes suspicious of Rocky when he continuously delays the arrival of the product. He later catches Rocky operating in a drug deal, but Rocky lies, although he is later exposed by Dotty for his lies and scheming. Peter has sex with Suki once again in January 2022, and this ends when Ash catches them together, and she subsequently ends their relationship. Peter is assaulted by his uncle Ben Mitchell (Max Bowden) and is left unconscious after Ben mistakes him for a homophobe. Peter is unaware of the identity of his attacker and is disgusted when Lewis Butler (Aidan O'Callaghan) reveals that it was Ben and that Kathy knew about it. During this time, he becomes close with Bobby's ex-girlfriend Dana Monroe (Barbara Smith), but Peter turns her down when she attempts to kiss him. They later have sex, unaware that Ben has seen them. Peter and Ben develop a feud when Peter discovers that Ben was responsible for his attack. After Ben reveals his fling with Dana, Peter decides to leave Walford and burns bridges with his family by publicly denouncing them. Kathy later learns that Peter has stolen her money, leaving her penniless. Although it is unknown exactly where Peter went to, Lauren reveals in December 2022 that Peter visited her and Louie in New Zealand, bringing lots of presents with him.

In June 2023, it is revealed that Peter (now Thomas Law again) is now living in France along with Ian and his mother Cindy, funding their lifestyle with the money he stole from Kathy. Cindy and Ian have reunited as a couple and it is revealed that Cindy did not actually die, but was part of a witness protection scheme, which forced her to leave her family and assume a new identity. Lauren visits Peter and Louie and Peter confesses that he still loves Lauren. She reciprocates this at first, but when Ian has a heart attack, Peter, Lauren and Cindy all go to hospital. There, Lauren discovers that Cindy never died, and she confronts Peter. She later tells Peter that they will never get back together, as he and his family are still all liars. Peter soon discovers that whilst Cindy was in witness protection, she married and had two daughters Gina (Francesca Henry) and Anna Knight (Molly Rainford), and that they live at The Queen Victoria public house. Despite Ian's attempts to stop him, Peter decides to return to Walford to find them. Peter has an awkward reunion with his uncle Ben where the pair put the past behind them although Kathy is less forgiving. Peter and Bobby make amends and the pair go to the club on a night out, where Peter encounters a drunk Priya Nandra-Hart (Sophie Khan Levy) and takes her to bed; Peter is unable to perform and Priya cruelly humiliates him the next morning in the cafe in front of his family. Peter initially helps his parents open up a pie and mash restaurant and takes over the marketing, but residents soon discover that rapist Dean Wicks (Matt Di Angelo) is a silent partner, causing Peter to pull out. In November 2023, Rocky tampers with the electrics at the cafe in a bid to claim insurance money, starting a fire. Bobby is trapped in the flames and Peter goes in to rescue him, but is injured and left on a life support machine. Cindy blames Bobby and Kathy for Peter's condition and calls the police on Kathy when she reveals that she ignored problems with the electrics. Peter recovers and Harvey reveals that Rocky had caused the fire. During the New Year celebrations, Peter decides to reach out to Lauren after missing her and Louie and ends up having a one-night stand with a random woman at Peggy's.Lauren calls later on and tells Peter her and Louie are coming back for a few days. The next day Louie and Penny arrive in Walford and Lauren has been arrested for possession of drugs and Jack has Ricky takes Louie to Peter who is delighted to see his son but then Louie informs Peter what has happened who is shocked. Peter then goes to Jack's to find out what is happening and starts to place blame on Penny until Jack comes in and says that due to the charges Lauren could be locked up until trial.