The country's own registry
- Law People convicted of listed sexual offences must notify the police of their details under Part 2 of the Sexual Offences Act 2003 (s. 83). The records are not public.
Source: Sexual Offences Act 2003, s. 83 (notification requirements) - Policy Under the Child Sex Offender Disclosure Scheme, members of the public can ask the police whether someone with access to a child has a record for child sexual offences.
Source: Home Office: Child sex offender disclosure scheme guidance