Niall O’Boyle
Personal Trainer, Nutritionist
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Niall O’Boyle is a personal trainer based in Teddington with over ten years of coaching experience. He works with a wide range of clients across the local area, including busy professionals, parents, teenagers and older adults, each with their own starting point and goals.
Every programme Niall builds is specific to the person in front of him. That means no generic plans, no one-size-fits-all approach and no pressure to fit a mould. Whether you want to build strength, lose weight, improve your energy or simply feel more confident in your body, Niall puts together a plan that fits your life rather than asking you to rearrange your life around a plan.
If you are looking for a personal trainer in Teddington who gives you real guidance and stays accountable to your results, get in touch to arrange a free initial consultation.
Niall has worked with clients at every stage of their fitness journey. His Teddington client base includes new mothers returning to exercise after pregnancy, people recovering from periods of poor health, teenagers building sporting confidence, older adults looking to stay active, and professionals who need to fit effective training around long working days.
He has also worked with paratroopers and police officers preparing for fitness examinations, which gives some indication of the breadth of his coaching experience.
What connects every client is that Niall starts from where they actually are, not where a standard programme assumes they should be. A pre-training fitness assessment at the start of your programme means Niall understands your current level before he asks anything of you, and your plan is built from there.
Niall offers one to one personal training and group sessions, both available across Teddington and the surrounding area. Sessions can also be delivered online via live video, which suits clients who travel frequently or prefer to train from home on certain days.
Every client begins with a conversation. Niall takes time to understand your schedule, your goals, any injuries or health considerations, and what has or has not worked for you before. From that, he builds a training programme and, where relevant, a personalised meal plan that supports your physical progress.
The areas Niall helps clients work on include:
Sessions are flexible in timing and location, so the programme adapts to your week rather than adding another fixed commitment that becomes difficult to keep.
Niall trains clients across Teddington and the local area, using flexible locations that suit each individual. The surrounding area offers plenty of excellent outdoor and indoor training environments, and Niall works with you to identify a location that is practical for your routine.
For those who prefer training at home or who want to supplement in-person sessions, the live video option means access to the same structured coaching without needing to travel.
Being local matters. Niall understands the area, the schedules of people who live and work here, and the kind of practical approach that fits into a busy Teddington lifestyle.
Great locations for:
One of my favourite places in London. Little park cupped by the river. Close to Twickenham and Teddington. Quaint Park with a children’s playground for the kids and some workout machines for the adults.
A stunning area along the Thames in Teddington. Perfect for running ,walking, jogging as well as toning. It is beautiful at all times of the year.
Similar to Richmond Park, this large area of land offers everything from gardens, wildlife, inclines, lakes and ponds, cafes, car parks and open grassy areas. It is located on the border of southwest London and Surrey and therefore can be accessed from various locations.
Clients who train with Niall regularly describe improvements that go beyond the physical. Feeling stronger and more capable, sleeping better, managing stress more effectively and approaching daily life with more energy are outcomes that come up consistently in client feedback.
The process is straightforward. You start with a phone call or an informal meeting so Niall can understand what you are hoping to achieve. From there, he puts together a programme and you begin. Progress is tracked and the plan adjusts as you move forward.
Niall is generous with his time and expertise, fitting sessions around your schedule and remaining accessible between sessions when you have questions. The aim is to build sustainable habits and real fitness, not just to get through a block of sessions and leave you to it.
If you are based in Teddington and want a clearer picture of what personal training with Niall looks like, the first step is a conversation. There is no commitment involved and no pressure to sign up on the spot.
Get in touch to arrange your free initial consultation and Niall will take it from there.
Niall trains clients across Teddington and the surrounding area using flexible locations suited to each individual. Sessions can take place outdoors, at a location convenient for you, or at home. Live video sessions are also available for clients who prefer to train remotely.
Niall has over ten years of experience as a personal trainer. He has worked with a broad range of clients, from new mothers and teenagers to older adults and fitness professionals preparing for examinations.
Yes. Niall offers both one to one personal training and group sessions. Both formats are available in Teddington, and a live video option is available for clients who want flexibility around in-person attendance.
Personalised meal plans are part of the service. Niall builds nutrition guidance alongside your training programme so that both elements work together towards your goals.
Niall starts with a phone call or an informal meeting to understand your goals, your current fitness level and your schedule. He then builds a bespoke programme from there. There is no obligation at the initial stage.
Yes. Niall carries out a pre-training fitness assessment at the start of every programme, so he understands exactly where you are starting from. Plans are built around your actual level, not an assumed baseline.
Niall has experience working with clients managing health issues and those returning to exercise after illness or injury. Discuss your situation during the initial consultation and Niall will advise on the most appropriate approach.
Ready to start training with a personal trainer in Teddington?
Get in touch with Niall Fitness today to book your free consultation. Spaces are limited, so enquire now to secure your place.
I’ve received some amazing reviews. You can read more of my 5 star reviews below.
EXCELLENT Based on 19 reviews Posted on Google Inna Van Der VeldenTrustindex verifies that the original source of the review is Google. I got an incredible training experience and feel much stronger. I highly recommend this training to anyone who feels lacking of energy and needs a boost of motivation, strength and humour. Thank you very much Nial for your professionalism and commitment.Posted on Google Alisa CharkovaTrustindex verifies that the original source of the review is Google. I’ve been working with Niall for 7 months and it’s like I’m a new person - more energy, more strength, more discipline! I’ve never really exercised before, just benefitted from some decent genes and a mildly active lifestyle. After 35 that wasn’t enough- I became sluggish, gained weight, and living like in my 20s stopped working. What I love most about working with Niall is his nuanced approach that tailors every session to my needs, my moods, my cycle and the natural ebbs and flows of my body. Sometimes it means canning the training and going on a walk, or pushing hard and digging deep, breaking mental restraints. Niall is a wholesome and holistic trainer, working with all of me, including nutrition and emotional support when needed. Investing into my weekly Niall sessions has been one of the best choices I’ve made recently and would do it again many times over. This is not spending, it’s investing in me! I can’t wait to see what the next 7 months will bring. PS Niall is also a brilliant sports massage therapist and has fixed niggles and bigger problems and we went along.Posted on Google molly bransfieldTrustindex verifies that the original source of the review is Google. Before working with Niall, I had done very little exercise and honestly didn’t know where to start. I was nervous about going to the gym, but he made me feel completely comfortable from day one. He strikes the perfect balance between creating a supportive environment and pushing me to challenge myself. He never judges if I struggle with something, and always encourages and praises me when I make progress or push myself. Niall is also incredibly knowledgeable, and he shares really helpful advice on nutrition and how the body works. I’m really grateful for all of his support.Posted on Google stuart InmanTrustindex verifies that the original source of the review is Google. I’ve been training with Niall for the past two years, and I couldn’t recommend him more. He’s incredibly reliable, makes every session enjoyable, and always goes the extra mile to help with my dietary needs. Somehow, he’s even managed to get me into some sort of shape—which is no small feat! If you’re looking for a top-notch trainer, Niall’s your man.Posted on Google Iva SIGARTrustindex verifies that the original source of the review is Google. Niall Fitness offers a highly motivating and supportive environment for anyone looking to improve their health and well-being. Niall is knowledgeable, approachable, and genuinely committed to helping clients reach their goals. Whether you’re just starting out or looking to take your training to the next level, Niall’s tailored approach, clear guidance, and encouragement make a real difference. Highly recommended for anyone serious about fitness and results.Posted on Google Jean Marie FerdegueTrustindex verifies that the original source of the review is Google. Niall has been helping my wife and I for over 2 years. He’s patient, knowledgeable and always strikes the right balance of pushing us / celebrating what we’re doing. He’s passionate and has a super strong work ethic. Super thankful for all his help over the last two years and many to come !Posted on Google Sato LiuTrustindex verifies that the original source of the review is Google. I've been training with Niall for over a year now. As an older person, with some minor mobility issues, he takes great care with the exercises given, but still ensures you can excel, push yourself and achieve your own goals.Posted on Google MARIYA ENCHEVATrustindex verifies that the original source of the review is Google. Certainly! Here’s a review you can use: --- I’ve had the pleasure of working with Niall Fitness, and I can confidently say that he is an exceptional trainer. Niall is incredibly knowledgeable and always goes above and beyond to ensure that I’m making progress. His dedication to helping me achieve my fitness goals is evident in every session. Beyond just training, Niall’s expertise in nutrition has been invaluable. With his guidance, I’ve not only seen physical improvements but also developed a much better understanding of how to fuel my body for optimal results. He’s truly passionate about helping others succeed, and his hard work and commitment have made a huge difference in my fitness journey. Highly recommend!Posted on Google Jonathan GilbertTrustindex verifies that the original source of the review is Google. When I started with Niall about 9 months ago I was really out of shape. He has been great at getting me back on track by pushing me hard enough to stretch me but not hard enough to break me! I’m feeling much stronger and healthier than I was back then. Niall’s a lovely, high energy person who cares about his clients and is good at adapting his training techniques to the individual. I particularly enjoy training with him in the park. Highly recommended.Posted on Google C SoongTrustindex verifies that the original source of the review is Google. As a complete novice with prolonged lower back pain & dodging exercise and salads for 56 years !!, Niall is very warm, open & welcoming. It is clear he is very experienced & skilled at instructing & explaining fitness & exercise. He has opened up a whole new world and perspective for me. I would highly recommend him :-)
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You can read more of my 5 star reviews below.
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