To become a private investigator in England, you can consider the following steps:

1. Obtain relevant qualifications: While there are no specific qualifications required to become a private investigator in England, having relevant qualifications can help you stand out to potential employers. Consider obtaining a degree or diploma in criminal justice, law, or a related field.

2. Gain relevant work experience: To gain relevant work experience, you can consider working in law enforcement, security, or a related field. This will provide you with an understanding of investigative procedures, practices, and techniques.

3. Develop relevant skills: Private investigators require a range of skills, including surveillance, research, and report writing. You can develop these skills through work experience, training, or by undertaking relevant courses.

4. Network and seek opportunities: Building a strong network of contacts within the private investigation industry and seeking out opportunities for growth and advancement can also be helpful in becoming a private investigator.

5. Obtain a license: In England, private investigators must be licensed by the Security Industry Authority (SIA). To obtain a license, you will need to complete a criminal record check and meet certain eligibility requirements.

6. Ongoing training and development: To remain a licensed private investigator, you will need to engage in ongoing training and development to maintain your knowledge and skills.

Overall, becoming a private investigator in England requires a combination of education, work experience, skills development, networking, obtaining a license, and ongoing training and development.