Greater London South East Sector Army Cadets
Adventure starts here
About sector
The Sector’s staff are committed to modelling good team behaviour, are diverse in skills and backgrounds, and open to learning in order to be good role models and to provide the best possible cadet experience.
Our cadets are enthusiastic, confident at developing new skills and inspired to be the best they can be. The sector staff and cadets are mutually supportive, working as one team, embracing the Army’s traditions, ethos, and the ACF’s Values and Standards.
Find a detachment
Our Stats
838+
Cadets
138+
Cadet Force Adult Volunteers
126
DofE passes
22
Detachments
Key information and contacts
Greater London South East ACF are recruiting for Cadets and Adult Instructors.
Cadets must be at least 12 years old.
Come and join us for adventure, fun, friendships and many skills for life.
Adult Instructors aged 18+ are needed to help develop the skills of our cadets. No prior experience is necessary.
Additionally, Adult Instructors can also learn new skills, gain qualifications, and build their own personal skills bank. You’ll go further with Greater London South East, are you up for the challenge?
Colonel S. Johnson
Commandant
Col Simon Johnson joined the ACF in 2001, serving as a Detachment Commander, DofE Officer, Company Training Officer, Staff Officer and Company Commander, Sector Training Officer and Deputy Commandant. In May 2023 he was appointed Commandant. He is a qualified Mountain Leader, very keen on Cadet Adventurous Training, promoting the Duke of Edinburgh’s Award and the overall life skills provided by the Army Cadet Force. In civilian life, Col Johnson works for the Foreign, Commonwealth and Development Office and has been posted overseas to Budapest, Istanbul, Beijing and a variety of temporary duties including Zagreb and Mogadishu. His current role is Procurement lead, National Security Directorate. He also spent almost four years in the Falkland Islands where in his spare time he was a keen member of the Falkland Islands Defence Force and was Detachment Commander of the Marine Cadets. His interests include military history, keeping fit and mountain walking.
Lieutenant Colonel D. Konstantinious
Deputy Commandant
Lt Col Konstantinious joined the ACF in the late 80s as a youngster looking for a challenge and adventure. Some 30+ years later that adventure continues. After completing her cadet service she became a CFAV and has held many key appointments including Company sergeant Major, Sector Shooting Officer, Detachment Commander and Company Commander. During her appointment as ADC to Lord Mayor City of London and ambassador for the ACF she widen the participation for young people across London and has made links with industry professionals offering young people unique opportunities for work experience. As Deputy Commandant Lt Col K focuses on developing potential junior officers through a mentorship program. Lt Col K enjoys being where the action is and continues to support cadet training where practical. When not ACF'ing Lt Col K is a multifaceted Development Coach. She also teaches Martial Arts and Self Defence skills in local schools.
Major A. Ellison
Cadet Executive Officer
Studied BA (hons) Dutch and MA linguistics at Hull University and moved London in 1998 where he worked for various companies using Dutch. He embarked upon a career in local Government in 2001, working for 3 SE London councils. He joined the ACF in 2014 and commissioned at Westbury in 2016 going onto hold posts as Detachment Commander, PR Officer, Staff Officer and finally Company Commander. He took over as CEO in Sept 2024.
RSMI P. Harrison
Regimental Sergeant Major
RSM Harrison, joined the sector over 15 years ago. As a veteran he wanted to pay back, to the many people who helped and supported him as a young man. Keeping him on the straight and narrow. He remains a positive role model in the sector helping to develop our young people and this helps to keep them off the streets. He enjoys teaching especially the junior cadets where he gets to lay solid foundations of good discipline and learning the core basic skills of being a Army Cadet.
7 Coy-Based around the boroughs of Lambeth & Southwark, its Headquarters are located at the Army Reserve Centre Tulse Hill.
9Coy– Based in the Boroughs of Lewisham & Bromley, with its Headquarters located at the Army reserve Centre Grove Park.
10 Coy-Based in the boroughs of Kent & Bexley with its Headquarters located at the cadet training centre Orpington .
80 (Corps of Drums) Cadet Det -Located at Holly Hedge House Blackheath.
Major Beckham
Sector Training Officer
Major Beckham enjoys all things training alongside a dedicated training team she facilitates training events that help to foster and enrich the lives of our young people. She enjoys being a CFAV as it allows her the opportunity to give back what she got out of this organisation as a cadet herself.
SMI Durrant
Sector Training Sergeant Major
SMI Durrant, says being a cadet himself kept him off the streets and doing something positive and constructive with his time. After a short time as a regular solider he returned to the ACF as a CFAV and thoroughly enjoys creating a safe space for young people to thrive. He enjoys teaching and developing both cadets and adults.
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Cadet stories
Cdt Fusilier Issom Jr-74 I joined the ACF because it helps me learn life saving skills and you get to make lots of new friends. I continue to stay here as it helps me to improve my physical health and helps me get out of my comfort zone.
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Cadet stories
Cpl Henden-95 I joined the ACF to try something new and I have stayed to become someone stronger. Being a cadet gives me purpose and a family I never knew I needed.
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Cadet stories
Cadet Fusilier Dean-94 I joined the ACF because I wanted to do something in my evenings, see my friends, shoot rifles 'you know the casual stuff,' I've stayed because I could not picture myself leaving. Once you are in you are in and part of a family.
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Cadet Stories
Corporal Maltwood-95 I joined because I wanted to try something different, I wanted to get the most out of my life and achieve things I usually wouldn’t, I didn’t realise how much it would change me. It’s become a family to me a place to go to be safe.
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Cadet quotes
Corporal Ross-74 I stay in the cadets because it has given me incredible experiences, I stayed for the friends that I would never have made and the people that I would never have spoken to ,if not for cadets bringing us together.
Latest News & Media Updates
Get all the latest news from detachments across the UK, including inspiring stories, amazing expeditions, and upcoming events
Volunteers’ Week Spotlight: Lt Gina Allsop
6 June 2026
Volunteers’ Week Spotlight: Sgt Helen Hughes
5 June 2026
Volunteers’ Week Spotlight: Lieutenant Colonel Sarah Oxford
4 June 2026
Contact information
For more information, please email or contact us at the office below: Greater London South East ACF Hollyhedge House Wat Tyler Road Blackheath London SE3 OQZ
Greater London South East ACFHollyhedge House
Wat Tyler Road
Blackheath
London
SE3 OQZ
- Email us: gl-se-ao2@rfca.org.uk
- Call us: 0208692 4066
Join Army Cadets today!
Join the Army Cadets to embark on an exciting adventure, develop valuable skills, and build lifelong friendships. For young people between 12 to 18.
