Our flagship Northwood venue runs a full weekly timetable of kickboxing and martial arts classes for every age and ability at Holy Trinity Primary School. From Little Leaders sessions for ages 3–6 to advanced Black Belt training, Northwood is home to the widest range of programmes across the Diamond Kickboxing schedule.
Whether you're looking for kids martial arts classes in Northwood, beginner kickboxing for your child, or adult self-defence and fitness sessions, our Northwood venue has a class for you — all delivered under the guidance of Head Coach Sam Welch.
Fun, structured sessions that build coordination, confidence and respect from the very first class. Held on Mondays and Saturdays at our Northwood venue.
The perfect introduction to kickboxing and martial arts for juniors and teens. No experience needed — our coaches meet every new member where they are. Running Mondays, Tuesdays, Fridays and Saturdays in Northwood.
For members ready to push beyond the fundamentals, building technical depth, combinations and sparring confidence in an inclusive environment.
Our highest-level Northwood session — advanced technique, fight IQ and competition preparation under Head Coach Sam Welch.
Fitness, self-defence and technical kickboxing for teens and adults of all experience levels. Monday evenings at Holy Trinity, Northwood.
Our Northwood classes are easily reached from across the London Borough of Hillingdon and into Hertfordshire. If you're searching for kickboxing or martial arts classes near any of these areas, Diamond Kickboxing Northwood is your local venue.
New to the area? Use the map to plan your journey, then tap "Get Directions" for one-click, turn-by-turn directions straight to our door.
Holy Trinity Church of England Primary School, Rickmansworth Rd, Northwood, HA6 2RH
Free parking is available on-site after school hours. Look for the school hall entrance off Rickmansworth Road.
Diamond Kickboxing's Northwood venue at Holy Trinity Primary School is one of the most established kickboxing and martial arts training centres in the London Borough of Hillingdon. Led by Head Coach Sam Welch — a 5th Degree Black Belt with 22 years of competitive experience — our Northwood classes welcome complete beginners, returning martial artists and competitive fighters alike.
We deliver structured programmes tailored to every age group: Little Leaders for ages 3–6, beginner kickboxing for juniors, intermediate and Black Belt sessions, and adult kickboxing classes focused on fitness, self-defence and technical development. Every coach is DBS-checked, first-aid trained and holds up-to-date safeguarding qualifications, so you can train with confidence.
Whether you live in Northwood, Northwood Hills, Pinner, Eastcote, Ruislip, Ickenham, Hatch End, Rickmansworth, Moor Park, Watford or Harefield, Holy Trinity Primary School is a short drive or bus journey away. Book your free trial today and discover why so many members across Hillingdon and the surrounding areas choose Diamond Kickboxing.
Your first trial class is completely free. No commitment, no pressure.
Ready to become the best version of yourself? Step through the door and experience what real coaching feels like — we guarantee it'll be the best decision you make today.
Beginner friendly · All ages welcome · Join 130+ students