Key Points
- William Raison (75), also known as Bill Raison, of Surbiton, has been sentenced to 12 years in prison with an additional year on licence.
- Raison targeted and systematically sexually abused a girl under the age of 13 known to him over a period of approximately one year.
- When directly confronted by the victim, Raison dismissed her concerns, saying: “It doesn’t matter. Just don’t tell anyone.”
- The survivor demonstrated remarkable courage by pretending to be asleep to observe Raison’s actions in order to collect evidence to protect others.
- Arrested in February 2025 after the survivor disclosed the abuse to her family, Raison was formally charged in April 2025 with seven counts, including sexual assault by penetration and making 216 Category C indecent images of children.
- Raison pleaded guilty to all seven offences at Guildford Crown Court on 19 June, leading to his formal sentencing on 17 September 2026.
- The court granted a lifelong restraining order protecting the survivor and her family, as well as a 15-year Sexual Harm Prevention Order (SHPO).
Surbiton (South London News) September 19, 2026 — A 75-year-old man from Surbiton who systematically sexually abused a young girl and instructed her to maintain silence has been jailed for 12 years. William Raison, also known as Bill Raison, was sentenced at Guildford Crown Court on Thursday, September 17, 2026, following a detailed police investigation initiated after the survivor disclosed the abuse to her family in February 2025. In addition to the custodial sentence, Raison will serve an extra year on licence, is subject to a lifelong restraining order protecting the survivor and her family, and was issued a 15-year Sexual Harm Prevention Order (SHPO).
What Are the Details of the Abuse and How Was William Raison Apprehended?
As reported by journalists across local media outlets, including reports published by Surrey Police and regional news platforms, William Raison targeted a girl known to him over the span of roughly one year. During this timeframe, Raison carried out repeated sexual offences against the minor, who was under the age of 13.
Investigators revealed that the young girl took deliberate steps to uncover Raison’s behaviour. During police interviews, the survivor recounted how she would occasionally pretend to be asleep when Raison entered her room. Her intention was to observe how he would act if he believed she was sleeping, seeking to determine whether he would commit harmful acts so that she could inform someone and prevent him from harming anyone else.
When the young girl directly challenged Raison regarding his actions, he brushed off her protestations. As detailed in official statements, Raison told her: “It doesn’t matter. Just don’t tell anyone.”
Despite his attempt to enforce silence through grooming, the survivor confided in her family in February 2025. The family immediately reported the matter to law enforcement, leading to Raison’s prompt arrest by officers.
What Were the Specific Charges and the Outcome of the Court Proceedings?
Following his arrest in February 2025, Raison was charged in April 2025 with a total of seven criminal counts. The charges comprised:
- Two counts of sexual assault by penetration of a girl under the age of 13.
- Four counts of sexual assault of a girl under the age of 13.
- One count of making 216 Category C indecent images of children.
On Friday, June 19, Raison appeared at Guildford Crown Court, where he entered guilty pleas to all seven counts at an early stage of the court proceedings.
At the sentencing hearing on Thursday, September 17, 2026, the judge handed down a 12-year custodial sentence, alongside an extended licence period of one year upon his eventual release. To ensure ongoing safeguard measures, the court also granted a lifelong restraining order strictly prohibiting Raison from contacting the survivor or her family, alongside a 15-year Sexual Harm Prevention Order designed to restrict his activities and monitoring post-release.
How Did Investigating Officers Respond to the Case and Verdict?
Following the sentencing, investigating officer Detective Constable Kiki Phillips commended the extraordinary bravery shown by the young victim throughout the process.
As reported by police media updates, Detective Constable Kiki Phillips stated that Raison used grooming behaviours to facilitate “deplorable, systematic abuse against the young survivor on numerous occasions.” DC Phillips noted that in addition to committing the offences, Raison explicitly “encouraged her to keep quiet about his heinous acts.”
DC Phillips praised the child’s composure, stating that
“it was particularly commendable that the survivor remained courageous and open with officers throughout the police investigation.”
She highlighted that the survivor’s detailed, coherent statements provided officers with crucial directions to secure essential forensic and digital forensic evidence.
DC Phillips added:
“The wealth of evidence accrued against Raison culminated in his pleading guilty to all charges at an early court hearing. I hope that the survivor and her family can seek some solace in knowing that Raison is behind bars and unable to harm anyone else, thanks to her courage. I wish the survivor the best in achieving her aspirations and hope she recognises how many lives she’s saved.”
Surrey Police also reaffirmed their commitment to investigating historical and recent offences, encouraging any victims of sexual abuse to report incidents regardless of when they occurred.
Background of the Particular Development
Child sexual exploitation and abuse prosecutions in the United Kingdom rely heavily on early disclosure, digital forensics, and specialized investigative units. Under UK law, offences involving sexual assault by penetration against children under 13 carry maximum penalties up to life imprisonment, reflecting the severe physical and psychological breach of trust involved.
The implementation of Sexual Harm Prevention Orders (SHPOs) under the Anti-social Behaviour, Crime and Policing Act 2014 serves as a primary tool for courts to protect the public from individuals convicted of sexual offences. SHPOs allow authorities to impose strict prohibitions on an offender’s internet usage, travel, and contact with minors following their release. Furthermore, extended sentences—comprising a custodial term alongside an additional licence period—are frequently utilized by UK courts when an offender is assessed as posing a continuing risk to the public.
In recent years, law enforcement agencies across London and Surrey have placed increased emphasis on forensic digital analysis to uncover illicit images and digital footprints that corroborate witness statements, facilitating early guilty pleas and reducing the requirement for child victims to give live testimony in court.
Prediction
How This Development Can Affect the Local Community, Victims, and Safeguarding Bodies
The conviction and 12-year prison sentence of William Raison are expected to have several distinct impacts across different sections of the community and institutional bodies:
- Inspiration for Other Victims to Disclose Abuse: The public resolution of this case, combined with the judicial praise for the survivor’s bravery, sends a clear signal to other young people and families affected by grooming or domestic abuse. Seeing an offender brought to justice despite attempts to enforce silence may encourage other victims to report offences to the authorities.
- Reinforcement of Safeguarding Protocols in Local Communities: Residents in Surbiton and the broader South London and Surrey regions are likely to see heightened awareness surrounding grooming tactics. Safeguarding organizations and local education authorities often utilize case outcomes to refine training modules, helping parents and educators identify subtle signs of coercive control and non-verbal cues in children.
- Strengthening Reliance on Digital and Forensic Evidence: Law enforcement agencies will continue to utilize integrated digital forensic investigations early in proceedings. Demonstrating that digital evidence can secure early guilty pleas reduces trial burdens on vulnerable witnesses and provides a template for managing similar child protection prosecutions.
