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Kenpo Academy of Self Defense

5 ★★★★★ 42 Google reviews · Karate dojo in Londonderry, New Hampshire

Part of Kenpo / Kempo Karate

Karate dojo Free trial Affiliated Beginners welcome Kids & teens Private lessons Competition team

Affiliated dojo — reviews and the dojo's own info point to a recognized Karate style organization or franchise (think Shotokan/JKA, Kyokushin, Goju-Ryu, Isshinryu, Tiger Schulmann's or Villari's). If lineage matters to you, ask which style and organization the dojo belongs to, and under whom the head sensei earned their black belt.

Plan your first class

  • Free trial / intro class most dojos welcome new students with a free trial or intro class — check their site or give them a call to book your first session
  • Beginner-friendly all levels welcome, including total beginners — you don't need to be fit or have any experience to start
  • Kids & youth classes kids and youth Karate classes (ages 3–18) — built around discipline, focus, and confidence
  • Private lessons private, one-on-one instruction available — a focused way to start or to work around a busy schedule; ask about availability and rates
  • Adult classes adult Karate classes — training built for grown-ups, from fitness and fundamentals to kumite (sparring) at your own pace
  • Competition team a competition team for students who want to test themselves at kumite tournaments
  • Today see hours ·
  • Website & schedule kenpo-academy.com — book classes and see the live schedule
  • Phone +1 603-437-9900

Hours

Monday 8:30 am–8:30 pm
Tuesday 8:30 am–8:30 pm
Wednesday 8:30 am–8 pm
Thursday 8:30 am–8:30 pm
Friday 8:30 am–8:30 pm
Saturday 8:30 am–3 pm
Sunday Closed

Hours shift for holidays, belt tests, and seminars — worth a quick check before a special trip.

The classes they run

Karate classes on the schedule at Kenpo Academy of Self Defense, confirmed in students' own reviews and the dojo's own info — not guessed from the sign out front.

🧒 Kids Karate 12 mentions

“My daughter has been coming since she was about 4 years old and since Day 1 has learned proper character education, discipline and self-defense all around.”

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🥋 Adult Karate 2 mentions

“The adult classes are fun, small, and personable, and there’s always something new to try.”

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🌱 Beginners 3 mentions

“I started as a total beginner, not knowing anyone, but felt welcome right away.”

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👤 Private Lessons

“They also offer private lessons tailored to your specific goals.”

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🛡️ Self-Defense 5 mentions

“My daughter has been coming since she was about 4 years old and since Day 1 has learned proper character education, discipline and self-defense all around.”

All dojos that run self-defense →

Other martial arts here

Karate dojos are usually multi-discipline. Here's what else students mention training under the same roof at Kenpo Academy of Self Defense — mined from their reviews and the dojo's own info.

🦵 Taekwondo 4 mentions

“Sensei Lenny, Melanie and Zach are absolutely top-notch as someone that has 12 years of tae kwon do under my belt, I recognized immediately this place is top-notch.”

Other dojos that also teach taekwondo →

🥋 Jiu-Jitsu

“TKD Kickboxing and Brazilian Jiu Jitsu also are taught here.”

Other dojos that also teach jiu-jitsu →

🥊 Kickboxing 2 mentions

“A friend of mine talked me into taking a kickboxing class and I never looked back.”

Other dojos that also teach kickboxing →

🛡️ Self-Defense 5 mentions

“My daughter has been coming since she was about 4 years old and since Day 1 has learned proper character education, discipline and self-defense all around.”

Other dojos that also teach self-defense →

Disciplines are mined from reviews and the dojo's own info — they show what students have trained, not a formal class guarantee. If you specifically want taekwondo, jiu-jitsu, or kickboxing alongside your Karate, confirm the current schedule with the dojo.

What students say

The things reviewers bring up again and again across 42 Google reviews — in their own words.

expert instruction from a great sensei 3 mentions

“This is by far the cleanest facilities I’ve ever been to, furthermore and most importantly Lenny is the best Shihan to work with.”

🌱 welcoming to beginners 5 mentions

“I started as a total beginner, not knowing anyone, but felt welcome right away.”

friendly, respectful dojo 19 mentions

“The other students in these classes are all ages and all ranks, and no matter what rank anyone is, we are all supportive of each other.”

🧒 strong kids program 2 mentions

“This has been the best thing for our daughter. She has more confidence than ever!”

active competition / tournament team 2 mentions

“It’s not about competition, although the dojo sponsors several multi-school regional tournaments annually for those who want to do that.”

traditional style & affiliation 9 mentions

“I joined Kenpo Academy in 2002 and am still training :) My kids all studied here too and earned their black belts.”

From the reviews

A friend of mine talked me into taking a kickboxing class and I never looked back. I've learned a lot. Before I started, I was having trouble bending down to tie my shoes. My body is already starting to change for the better. I can now keep up with the class too.

★★★★★ — Norman, Jan 2022

Daughter has been attending classes here for a few months and loves it! Comfortable family atmosphere. Instructors show great balance of patience and motivation. She always looks forward to class. Highly recommended.

★★★★★ — Anthony, Apr 2018

This has been the best thing for our daughter. She has more confidence than ever! Great workouts, great family atmosphere and just all around great people! Great school! Highly recommended!

★★★★★ — Nonny, Mar 2018

Excellent karate academy, great instruction and programs for all ages. TKD Kickboxing and Brazilian Jiu Jitsu also are taught here. Clean facilities with modern amenities and plenty of mat space! Instructors all runs a great curriculum and the academy is in a location with ample parking available!

★★★★★ — Mike, Mar 2025

Excerpts from public Google reviews. Read all 42 reviews →

New to Karate? Start at Kenpo Academy of Self Defense

Kenpo Academy of Self Defense comes up as a beginner-friendly dojo, going by their listing and students’ reviews. If you've never thrown a punch or set foot in a dojo, that's exactly who a good beginners program is for. A few things worth knowing before your first week. First, you don't need to be fit or flexible to start — you get in shape by training, not before it, and the sensei scales the intensity to you. Second, you won't be thrown into hard sparring — reputable dojos build fundamentals (stances, blocks, punches, and kicks) for weeks, and kumite (sparring) eases in gradually, with pads and control. Third, all levels and ages really are welcome — ask about a dedicated beginners or fundamentals class time so your first session is alongside others who are also starting out. Most dojos are happy to let you watch or try a class first, so reach out before you commit.

See their beginner class info

Your first Karate class at Kenpo Academy of Self Defense

Nervous about walking into a Karate dojo for the first time? Almost everyone is, and a good sensei expects beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, then drilling basic stances, blocks, punches, and kicks — not hard sparring. Step to the side whenever you need to; no one will bat an eye. What to wear: athletic wear you can move in (or a gi if you have one); you'll train barefoot. What to bring: water, and a mouthguard if you have one — many dojos lend a loaner gi for a first class, so it's worth asking when you call. As you keep training you'll add your own gi and the belt your dojo awards you. Kumite (sparring) eases in gradually, once your fundamentals are solid. Arrive 10–15 minutes early to sign a waiver and meet the sensei. It gets easier fast — most people feel far more at home by their third class.

Karate is a contact sport. Ease in, train within your limits, listen to your instructors, and if you have any injuries or health concerns, mention them before class and check with a doctor if you're unsure.

Where to find Kenpo Academy of Self Defense

123 Nashua Rd Unit 35 & 36, Londonderry, NH03053

Get directions

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Listing verified July 2026 from public business records and member reviews. Something out of date? Report a correction. Own this dojo? Claim your listing — it's free.