Weight Loss Surgery in London
Speak to our weight loss clinic in LondonSpecialist Weight Loss Surgery in One of the UK’s Leading Private Healthcare Locations
For many people considering weight loss surgery, London represents more than just a convenient location. It is a destination for specialist healthcare, bringing together experienced bariatric surgeons, leading private hospitals and a wider choice of treatment options than many other parts of the UK.At Tonic Weight Loss Surgery, our London locations welcome patients from across the capital, the South East and throughout the UK. While many patients naturally live and work in London, others choose to travel because they are looking for experienced surgeons, access to specialist procedures and a provider that places long-term success above short-term results.
Your surgery will take place within one of our carefully selected private hospitals, each chosen for its high clinical standards, patient-focused care and excellent surgical facilities. Combined with our experienced bariatric team and structured aftercare programme, this allows patients to receive treatment in an environment centred around safety, quality and long-term wellbeing.
We understand that choosing weight loss surgery can feel overwhelming. Many people have spent years trying different diets, exercise programmes and medications before deciding to seek specialist advice. Others have already researched bariatric procedures extensively and simply want reassurance that they are choosing the right surgeon and provider.
Our role is to make that decision easier.
Every patient receives a detailed consultation where we take the time to understand their health, medical history, lifestyle and long-term goals before recommending the procedure that is most appropriate for them. Rather than encouraging patients towards a particular operation, we focus on helping them understand every available option so they can make an informed decision with confidence.
Whether you live in London or are travelling from elsewhere in the UK, our commitment remains the same. We provide expert surgical care, personalised guidance and one of the country’s most comprehensive aftercare programmes to help patients achieve safe, sustainable weight loss.
Why Patients Choose Our London Clinics
London offers patients something many other locations cannot: choice.
With access to multiple experienced bariatric surgeons and several respected private hospitals, patients have greater flexibility throughout their treatment journey. Rather than fitting patients around limited availability, we can tailor consultations, surgical planning and hospital locations to suit individual circumstances wherever possible.
Patients choose our London clinics because they value:
- Access to highly experienced bariatric surgeons.
- Multiple private hospital locations.
- A comprehensive range of weight loss procedures.
- Personalised consultations and treatment planning.
- Premium clinical environments focused on patient safety.
- Long-term support before and after surgery.
- One of the UK’s leading 5-year aftercare programmes.
Many patients tell us they are not simply looking for surgery. They are looking for reassurance that they have chosen the right team to support them through one of the most important healthcare decisions they will ever make.
That is why our approach begins with understanding the individual rather than recommending procedures. Every patient arrives with different health priorities, previous experiences and personal motivations, so every recommendation is developed around those individual circumstances.
This personalised approach, combined with experienced surgeons and long-term aftercare, is one of the reasons patients continue to choose Tonic for private weight loss surgery in London.
Join thousands of happy London patients
People across the capital choose Tonic for steady, supported change. We hear from patients working around W1 who fit appointments between meetings, from families in North and West London who plan visits around school runs, and from those travelling in from the suburbs who value clear timelines and regular check ins. Their experiences show how a structured pathway and a consistent team can help you get back to day-to-day life with more ease and confidence.
If you are exploring your options, our success stories are a helpful place to begin. Reading how others balanced work, travel and recovery around familiar places such as Regent’s Park, Soho and Marylebone High Street can make the journey feel tangible and help you decide, in your own time, when to talk.
Weight Loss Procedures Available
Selecting the right procedure is an important part of achieving successful long-term weight loss, but it is not a decision patients are expected to make on their own.
During your consultation, your surgeon will assess your BMI, overall health, medical history and weight loss goals before recommending the treatment most appropriate for your circumstances.
Our London locations offer a comprehensive range of bariatric procedures.
One of the most commonly performed weight loss procedures, gastric sleeve surgery reduces the size of the stomach to help patients feel full sooner while supporting sustainable weight loss alongside healthy lifestyle changes.
Here are the key details on our Gastric Sleeve in London:
- Average recovery time for a gastric sleeve procedure is 7 days.
- Gastric sleeve surgery usually lasts around 60 minutes.
- On average, patients lose between 70% and 75% of their excess weight
- It is performed using five small incisions across the abdomen.
- All gastric sleeve packages include Tonic’s renowned aftercare for complete peace of mind.
Gastric bypass surgery combines stomach reduction with changes to the digestive system and may be recommended for patients requiring significant weight loss or those managing obesity-related health conditions.
Here are the key details on our Gastric Bypass in London:
- Recovery time is usually between 10 and 14 days.
- Gastric bypass surgery generally takes about 60 minutes.
- Gastric bypass patients should expect to lose 60-70% of their excess weight.
- The procedure involves 5 small abdominal incisions across the middle and upper abdomen.
- Tonic’s expert aftercare is included with every package.
The mini gastric bypass provides an alternative surgical approach for selected patients and may be suitable depending on individual health, BMI and treatment objectives.
Here are the key details on our Mini Gastric Bypass in London:
- Average recovery time for our mini gastric bypass procedures is 10 to 14 days.
- Mini Gastric Bypass surgery usually lasts around 70 minutes.
- Mini Gastric Bypass patients should expect to lose between 60% and 70% of their excess weight.
- Surgery is done via five small incisions across the upper abdomen.
- Tonic’s complete aftercare support is included with all procedures
Available with selected surgeons, gastric band surgery remains an option for certain patients following detailed clinical assessment and discussion.
Here are the key details on our Gastric Band in London:
- Average recovery time for gastric band procedures is 5 to 7 days.
- The procedure usually takes around 45 minutes.
- Gastric band patients should expect to lose between 50% and 70% of their excess weight.
- The procedure involves 5 small abdominal incisions across the middle and upper abdomen.
- Tonic’s premium aftercare is included in our Gastric band surgery package!
Patients who have previously undergone bariatric surgery but require additional treatment may be suitable for revision weight loss surgery following comprehensive assessment by one of our experienced surgeons.
Every recommendation is based on achieving safe, sustainable results rather than offering the same solution to every patient.
- Average recovery time for our revision weight loss surgery is 7 days.
- Revision Weight Loss Surgery usually lasts around 70 minutes.
- The procedure involves 5 small abdominal incisions across the middle and upper abdomen.
- Tonic’s premium aftercare is included in our Revision Weight Loss Surgery package!
One of the most commonly performed weight loss procedures, gastric sleeve surgery reduces the size of the stomach to help patients feel full sooner while supporting sustainable weight loss alongside healthy lifestyle changes.
Here are the key details on our Gastric Sleeve in London:
- Average recovery time for a gastric sleeve procedure is 7 days.
- Gastric sleeve surgery usually lasts around 60 minutes.
- On average, patients lose between 70% and 75% of their excess weight
- It is performed using five small incisions across the abdomen.
- All gastric sleeve packages include Tonic’s renowned aftercare for complete peace of mind.
Gastric bypass surgery combines stomach reduction with changes to the digestive system and may be recommended for patients requiring significant weight loss or those managing obesity-related health conditions.
Here are the key details on our Gastric Bypass in London:
- Recovery time is usually between 10 and 14 days.
- Gastric bypass surgery generally takes about 60 minutes.
- Gastric bypass patients should expect to lose 60-70% of their excess weight.
- The procedure involves 5 small abdominal incisions across the middle and upper abdomen.
- Tonic’s expert aftercare is included with every package.
The mini gastric bypass provides an alternative surgical approach for selected patients and may be suitable depending on individual health, BMI and treatment objectives.
Here are the key details on our Mini Gastric Bypass in London:
- Average recovery time for our mini gastric bypass procedures is 10 to 14 days.
- Mini Gastric Bypass surgery usually lasts around 70 minutes.
- Mini Gastric Bypass patients should expect to lose between 60% and 70% of their excess weight.
- Surgery is done via five small incisions across the upper abdomen.
- Tonic’s complete aftercare support is included with all procedures
Available with selected surgeons, gastric band surgery remains an option for certain patients following detailed clinical assessment and discussion.
Here are the key details on our Gastric Band in London:
- Average recovery time for gastric band procedures is 5 to 7 days.
- The procedure usually takes around 45 minutes.
- Gastric band patients should expect to lose between 50% and 70% of their excess weight.
- The procedure involves 5 small abdominal incisions across the middle and upper abdomen.
- Tonic’s premium aftercare is included in our Gastric band surgery package!
Patients who have previously undergone bariatric surgery but require additional treatment may be suitable for revision weight loss surgery following comprehensive assessment by one of our experienced surgeons.
Every recommendation is based on achieving safe, sustainable results rather than offering the same solution to every patient.
- Average recovery time for our revision weight loss surgery is 7 days.
- Revision Weight Loss Surgery usually lasts around 70 minutes.
- The procedure involves 5 small abdominal incisions across the middle and upper abdomen.
- Tonic’s premium aftercare is included in our Revision Weight Loss Surgery package!
Meet Our London Bariatric Surgeons
One of the greatest strengths of our London locations is the breadth of surgical expertise available to patients.
Rather than relying on a single surgeon, patients benefit from access to specialists with extensive experience across a wide range of bariatric procedures. This allows treatment recommendations to be matched to individual circumstances while ensuring patients receive care from surgeons with expertise relevant to their specific needs.
Mr Marco Adamo
Mr Marco Adamo performs one of the widest ranges of bariatric procedures within the Tonic network, including gastric band surgery, gastric sleeve surgery, gastric bypass, mini gastric bypass and revision weight loss surgery.
His extensive experience allows him to support patients with both primary and more complex revision procedures, helping ensure treatment recommendations remain focused on long-term success and patient safety.
Mr Shamsi El-Hasani
Mr Shamsi El-Hasani performs gastric sleeve surgery, gastric bypass, mini gastric bypass and revision surgery for patients seeking specialist bariatric care in London.
Known for his patient-focused approach, he works closely with individuals throughout the consultation process to explain treatment options clearly and ensure every recommendation reflects their health, lifestyle and long-term goals.
Mr Ahmed Hamouda
Mr Ahmed Hamouda specialises in gastric sleeve surgery, gastric bypass and mini gastric bypass procedures.
Every consultation focuses on understanding the individual patient before discussing the treatments that may be most appropriate. This personalised approach helps patients feel informed, reassured and confident before moving forward with surgery.
Together, our London bariatric team provides patients with access to extensive surgical expertise, allowing treatment to be planned around the individual rather than limited by a single location or surgeon.
Mr Alan Askari
Mr Alan Askari performs gastric sleeve surgery, gastric bypass, mini gastric bypass and revision weight loss surgery.
He is known for his patient-focused approach and works closely with each individual to develop a treatment plan that reflects their medical history, weight loss goals and long-term wellbeing.
Every consultation is designed to provide clear clinical guidance, helping patients understand their options before making informed decisions about surgery.
Choosing the Right Surgeon
Selecting a weight loss procedure is only one part of the decision-making process. Equally important is choosing the surgeon who will guide you through your treatment.Every bariatric surgeon brings different areas of experience, and having access to several specialists allows patients to benefit from recommendations that genuinely reflect their needs rather than being limited to one particular surgical approach.
During your consultation, we take time to understand your health, previous weight loss journey, expectations and any concerns you may have before discussing the surgeons and procedures most appropriate for your circumstances.
Our focus is never on encouraging patients towards a particular operation. Instead, we help you understand your options so you can move forward knowing your treatment plan has been developed around achieving the safest and most appropriate long-term outcome.
A Choice of Leading Private Hospitals
Patients choosing our London locations also benefit from access to several respected private hospitals, allowing surgery to take place in modern, regulated healthcare environments designed around patient comfort and clinical excellence.
Depending on your surgeon and recommended procedure, treatment may be carried out at:
- King Edward VII Hospital
- The Clementine Churchill Hospital
- Blackheath Hospital
- Chelsfield Park Hospital
- The Cobham Clinic
- Luton & Dunstable Hospital
Each hospital has been selected because it meets the high clinical standards expected by Tonic Weight Loss Surgery while providing patients with a welcoming environment, experienced nursing teams and excellent surgical facilities.
Having access to multiple hospitals also provides greater flexibility when planning treatment, helping ensure patients receive care at a location that best supports their individual journey.
Your Journey with Tonic
Weight loss surgery is not simply about the day of your operation. It is a carefully planned process that begins long before you enter the operating theatre and continues for years afterwards.From your first enquiry, our priority is to understand your individual circumstances and help you make an informed decision about your future health. During your consultation, you will have the opportunity to discuss your weight loss journey, ask questions about the procedures available and receive personalised recommendations based on your health, lifestyle and long-term objectives.
If surgery is the right option, we will guide you through every stage of preparation so you know exactly what to expect before your procedure takes place. You will receive clear information about dietary changes, pre-operative requirements, recovery and the adjustments that support long-term success after surgery.
Following your operation, our support continues through regular follow-up appointments and our structured aftercare programme. Rather than leaving patients to manage the changes alone, we provide ongoing guidance that helps them adapt to life after weight loss surgery with confidence.
Every stage of your journey is designed to provide reassurance, education and long-term support, helping you achieve sustainable improvements to your health and wellbeing.
Why Patients Choose to Travel to London
London attracts patients from across the UK because it offers access to a broad network of experienced bariatric surgeons and leading private hospitals.For many people, travelling is a small part of the overall journey when compared with the long-term benefits of choosing the right provider. Patients regularly travel to our London locations because they value specialist expertise, comprehensive aftercare and the confidence that comes from being treated by an experienced bariatric team.
Whether you are travelling from the South East, the Midlands, the South West or further north, our team will help coordinate your treatment so the process feels straightforward from consultation through to recovery.
Many patients also appreciate having access to multiple hospital locations and specialist surgeons within one network, allowing treatment to be planned around their individual needs rather than being restricted to a single hospital or clinician.
For us, location is only one part of the experience. What matters most is ensuring every patient receives personalised care, expert surgical treatment and ongoing support wherever they have travelled from.
Five Years of Dedicated Aftercare
One of the biggest reasons patients choose Tonic Weight Loss Surgery is the level of support they receive after surgery.
Successful weight loss depends on much more than the operation itself. Building new habits, adapting to dietary changes and maintaining motivation all require ongoing guidance, which is why our structured 5-year aftercare programme forms such an important part of every patient’s journey.
During the first two years, Tonic patients receive one-to-one support from a multidisciplinary team including:
- A specialist psychotherapist.
- A registered dietitian.
- A bariatric nurse.
- A fitness professional.
- Ongoing follow-up with their surgeon.
This combination of clinical expertise and practical support helps patients manage both the physical and emotional aspects of significant weight loss.
Support then continues for a further three years through dedicated telephone aftercare alongside continued surgeon follow-up, providing reassurance that professional guidance remains available long after surgery has taken place.
Many patients tell us this long-term commitment is one of the main reasons they choose Tonic over other providers. It reflects our belief that surgery should be the beginning of lasting change rather than the end of treatment.
Learn more about our aftercare
Unlimited Dietician Appointments for 2 years
Unlimited Psychotherapist Appointments for 2 years
Unlimited Support with Virtual Fitness Coach for 2 Years
Unlimited Bariatric Nurse Support for 2 years
5 Years Surgeon Follow Up
The Gym Group 30-day Membership
The Tonic Tool Kit
Tonics Private Social Media community support
Out Of Hours Support Line
Flexible Finance Options
We understand that private weight loss surgery represents a significant investment in your future health.
To help make treatment more accessible, flexible finance options are available for Tonic patients. During your consultation, our team will explain the available options, answer your questions and ensure you have a clear understanding of the costs involved before making any decisions.
Our approach is open and transparent, allowing you to focus on choosing the treatment that is right for your health while understanding the financial options available to support your journey.
Hi I'm Cat Bevin
I’m a Tonic Patient Coordinator; I’m here to help you start your weight loss journey
It’s my job to support you through your journey with Tonic, from initial consultation where we’ll learn all about you and your weight loss journey to date, through to your 5 years of aftercare with our specialist team. We’re here for you at every stage.
FAQs
Tonic patients receive access to our structured 5-year aftercare programme, including one-to-one support from a psychotherapist, dietitian, nurse and fitness professional, together with ongoing surgeon follow-up and continued telephone support.
Many patients travel from across the UK because they value access to experienced bariatric surgeons, leading private hospitals and one of the country’s most comprehensive aftercare programmes. Choosing the right provider is often more important than choosing the closest location.
Where appropriate, patients can discuss surgeon availability during the consultation process. Recommendations are always made with the aim of matching patients with the surgeon best suited to their procedure and individual circumstances.
Depending on the procedure recommended and your chosen surgeon, treatment may take place at one of several carefully selected private hospitals within the Tonic network. During your consultation, we will explain which location is most appropriate for your treatment.
Tonic patients receive access to our structured 5-year aftercare programme, including one-to-one support from a psychotherapist, dietitian, nurse and fitness professional, together with ongoing surgeon follow-up and continued telephone support.
The most appropriate procedure depends on your BMI, medical history, lifestyle and long-term goals. Your surgeon will discuss every suitable option during your consultation before making a personalised recommendation.
Book Your London Consultation
If you are considering private weight loss surgery, a consultation is the best place to begin.
During your appointment, you will have the opportunity to discuss your health, understand the procedures available and receive honest, personalised advice from an experienced bariatric specialist. Whether you are based in London or travelling from elsewhere in the UK, our team is here to help you explore your options with confidence.
At Tonic Weight Loss Surgery, we combine experienced surgeons, leading private hospitals and one of the UK’s most comprehensive aftercare programmes to help patients achieve safe, sustainable weight loss. From your first enquiry to surgery, recovery and long-term support, every stage of your journey is centred around achieving lasting improvements to your health and quality of life.
Contact our team today to arrange your consultation and take the first step towards a healthier future with specialist support you can trust.
The UK’s best rated weight loss surgery company.
Life changing stories
The UK’s best rated weight loss surgery company.
Life changing stories
Ally
10 st (64 kg)*
Weight Loss
“I have struggled with my weight all of my adult life, I have PCOS and every diet I have tried just wasn’t successful.
I have lost over 10 stone and I feel absolutely incredible. I would never have dreamt to have the life that I currently have now.”
Paul
10 st (64 kg)*
Weight Loss
“Life before surgery was fake, I had a happy face but was not really happy. I wouldn’t go on lads holidays with my friends or take my kids swimming.
I have lost over 10 stone and it’s been life changing. I have got my life back. I can now take my kids swimming, go on holiday, do those things that I should have done 10,15,20 years ago.”
Danni's
5 1/2 stone (35 KG)*
Weight Loss
“Before I had surgery, I’d always yo-yoed with my weight. I was ashamed because of the size I’d gotten to. I was unable to buy the clothes I wanted to wear. I didn’t feel like the person that I wanted to be nor did my reflection match the person I felt inside.
The surgery with Tonic has absolutely changed my life. I’ve lost 5 and a half stone, and I am more confident and outgoing.
Chanelle
9st (57kg)
Weight Loss
“Before weight loss surgery, I couldn’t cope with doing anything strenuous and I couldn’t spend time with my children in the way I wanted to. My eating was out of control, and I had been yo-yoing.
A year out from surgery, I’m a completely different person. Last year, my body fat percentage was in the morbidly obese category. Now, I’m in the healthy weight category.”
Claire
10 st (64 kg)*
Weight Loss
“I lost 8.5 stone. I feel like one of the gym girls, I have done a 10k this year and I am signed up to Brighton half marathon next year! I chose Tonic because I saw so many success stories online and because of the aftercare package. You have the dietician, the PT, the psychotherapist and the constant support group from others who have had surgery and the team in the office”
