Courses
SIA Security Refresher Course
- £155.00
- 2 Days
- Stevenage BTC Centre
- 12 learners
The SIA now requires all Door Supervisor licence holders to complete this mandatory refresher training before renewing their badge.
During this 2-day course, you’ll review key updates in legislation, best practices in physical intervention, and your responsibilities as a frontline security operative. The course also includes essential counter-terrorism awareness, and scenario-based training.
What you'll learn
This course includes:
Course content
Requirements
- You must already hold an SIA Door Supervisor Licence
- Licence must be due for renewal or expired within the allowed renewal period
- You must have completed Emergency First Aid at Work within the last 12 months
- Bring valid photo ID (passport or driving licence)
- Must be physically able to demonstrate basic intervention techniques
- Arrive on time and complete the full day to qualify for certification
Assessment Results & Resit Policy
- 99% of results will be received on the same day as your assessment.
- Two free resits are available per unit if needed.
- Same-day resits are available at an additional charge of £20 per unit.
Trainer

Ashley
Ashley brings over a decade of experience in the security industry, spanning frontline service, management, and training. With a practical, no-nonsense approach to SIA instruction, Ashley draws on a rich background that includes military service with the British Army’s Coldstream Guards and a deployment to Afghanistan. After transitioning into civilian security, Ashley co-founded MainDoor Security and has since worked across a wide range of environments—from high-profile venues to round-the-clock site protection. Now an SIA-approved trainer, Ashley is committed to equipping learners with the real-world skills, confidence, and professionalism needed to thrive in today’s security industry.

Kieran
Secure Your Spot for SIA Security Refresher Course Today
Contact Us
Have a question or need a quote? Get in touch with our friendly team—we’re here to help you find the right security solution for your needs in Hertfordshire.
- 01438904455
- Info@Maindoorsecurity.com
Cancellation Policy
No Cancelation allowed but we will reschedule you onto another course one time free of charge. Please email us training@maindoorsecurity.com
Seamless & Efficient
Other Courses
Emergency First Aid
Gain essential skills to manage medical emergencies confidently until professional help arrives.
- £95.00
- 1 Day
- 12 learners
SIA Door Supervisor Course
The SIA Door Supervisor Course is a Six days and is broken down into four sections.
- £310.00
- 6 Days
- 12 learners
Seamless & Efficient
Our Streamlined Training Process Ensures Confident, Qualified Professionals.
01
Enrolment
We help you choose the right course and get signed up quickly.
02
Practical Training
In-person, hands-on sessions led by expert instructors.
03
Certification
Complete assessments and earn recognised qualifications.
- Expert trainers with frontline experience
- Small group sessions for hands-on learning
- Certification upon successful completion
- Practical scenarios relevant to security roles
- Printed handbook & digital resource access