Gastric sleeve

- 0% finance option
- Free, no-obligation consultation
- GMC-registered surgeons
- Care Quality Commission registered
- Comprehensive aftercare

Patient Journey Male WL 01

What is a gastric sleeve?

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What are the benefits of a gastric sleeve?

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Are there any risks?

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Is it right for me?


Why choose The Hospital Group for weight loss surgery?

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Cost & finance options


What is a gastric sleeve?

Gastric sleeve surgery is a procedure which helps you to achieve long term weight loss. It could help you in achieving a loss of 55-60% of your excess body weight within 12-18 months of the procedure. This surgery could be a good option if you are suffering with obesity, have exhausted all methods of diet and exercise, and still have a body mass index (BMI) of 35 or over. 

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The surgical procedure involves the removal of part of your stomach, thereby creating a ‘sleeve’ that makes it smaller and restricts the amount of food that can be eaten. The part of the stomach the surgeon removes is also the area that produces an appetite-increasing hormone, so feelings of hunger may be reduced significantly.  

What are the benefits of a gastric sleeve?

There are a number of benefits you could look forward to after gastric sleeve surgery. Weighing less can make it a lot easier to move around, allowing you to enjoy a spectrum of new activities which may improve your general fitness and wellbeing. The weight lost from gastric sleeve surgery has also been proven to help with a number of health-related conditions, such as type 2 diabetes and/or high blood pressure. 

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After significant weight loss, you may feel an improvement in your mental health, with a more positive outlook, higher confidence and self-esteem, and overall better quality of life. 

Are there any risks?

As with any surgical procedure, it is important to learn about any potential risks that gastric sleeve surgery may pose, so that you can weigh these up against the benefits of treatment. Your specialist weight loss practitioner and expert surgeon will be happy to discuss any possible complications and give you detailed information about the procedure.

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As a guide, these may include bleeding, infection, nausea, vomiting and constipation. 

Is it right for me?

Men may be considering gastric sleeve surgery if they are suffering with obesity, have a body mass index (BMI) of 35 or over, if diet and exercise alone have proven unsuccessful in managing their weight, and if they are committed to making a lifestyle change. Gastric sleeve surgery could be the answer to working towards the body they want and living a healthier, happier life. 

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Gastric sleeve surgery could help you lose weight by surgically creating a smaller stomach, thereby restricting food intake. You will need to make healthier food choices and engage in regular planned exercise to achieve and maintain the results. 

Significant weight loss through a gastric sleeve could improve health conditions such as type 2 diabetes, high blood pressure, heart disease and sleep apnoea. 

At your free consultation, our expert surgeons can advise you on whether you are a suitable candidate for this procedure. 

Why choose The Hospital Group for weight loss surgery?

Weight loss conversion surgery can help you achieve your healthy lifestyle goals.

As a highly experienced provider of weight loss conversion surgery, The Hospital Group has over 4 decades of surgical expertise - helping their patients turn dreams into reality.

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Our patients are at the heart of what we do. We’re committed to providing a truly personalised experience for each person in our care. If you decide to have weight loss conversion surgery with us, you’ll benefit from:

  • World-class facilities, including our state-of-the-art private hospital, Burcot Hall in Bromsgrove, and a network of clinics nationwide so we’re never too far away.
  • Over 45 years of surgical expertise, delivered by our extensively qualified and leading surgeons.
  • Exceptional care that begins at your consultation continues throughout your journey with us, right through to the comprehensive aftercare we offer following surgery.
  • Clear, competitive costs and flexible finance options, so you can work towards your weight loss goals whatever your budget.

We are with you every step of the way on your weight loss journey.

Cost & finance options

As a responsible provider of weight loss surgery, we understand that everyone’s procedure is different, so our treatment plans are tailored specifically around your unique, personal needs. Because of this, the gastric sleeve surgery cost can vary.  

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We place a great deal of importance on our free face-to-face, no obligation consultations, during which you can discuss your requirements with your surgeon assistant. They will provide detailed information on the gastric sleeve surgery cost and the various payment plans available. As well as being able to pay for your procedure outright, you can choose to spread the cost over several years via our flexible finance plans, which can be viewed on our pricing and finance page.  

Gastric Sleeve Brochure

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Gastric sleeve FAQs

More FAQs
What is gastric sleeve surgery?
Gastric sleeve surgery is a weight loss procedure where most of the stomach is removed, reducing its capacity by up to 75%. The area where the hormone that stimulates appetite is produced is also removed. As a result, the food portion size you are able to eat, as well as your appetite, are reduced. It’s important that you make lifestyle changes too, in terms of healthy eating and regular activity, to achieve the best possible results.
Is there a gastric sleeve diet to follow post-surgery?
Yes, you’ll need to follow a gastric sleeve diet after your procedure. As 75% of your stomach is removed, naturally your appetite and the portion sizes you can manage to eat will reduce. One of our expert dietitians will advise you on your diet after gastric sleeve surgery, including your food and liquid intake throughout the length of your aftercare. They’ll be able to give you detailed information on what to eat and any foods to avoid after sleeve gastrectomy to ensure you get the desired results following your surgery.
What are the sleeve gastrectomy risks?
All surgery comes with the risk of complications, which will be explained to you fully in your consultation, so you are completely aware of what’s involved and can make an informed decision regarding private gastric sleeve surgery.

Some people may experience Dumping Syndrome after a gastric sleeve procedure. This is the name given to a range of symptoms which can be experienced after consuming food or fluid containing a lot of carbohydrates, especially sugar. It occurs because the stomach empties more quickly after gastric sleeve surgery compared with before.

You will be fully supported by one of our specialist dietitians to ensure that, following your vertical sleeve gastrectomy, side effects like malnutrition and Dumping Syndrome are avoided as far as possible. You’ll also have the opportunity to purchase vitamin and mineral supplements to ensure that you’re getting all the nutrients you need.
What are the pros and cons of bariatric sleeve surgery?
Gastric sleeve surgery can completely overhaul your health and overall quality of life. Most people are successful in losing weight following their procedure – with the gastric sleeve weight loss rate as much as 55-60% after three years.

Losing significant amounts of weight can lead to a happier, more fulfilling life, the ability to enjoy higher energy levels and more freedom in the things you can do. It can also help treat and reduce the impact of illnesses and some medical conditions associated with obesity.

Gastric sleeve surgery is a permanent decision and an irreversible surgery, so you cannot change your mind once you have had the procedure as it involves the removal of part of your stomach. As with any surgery, gastric sleeve operations carry some possible complications which will be discussed with you in detail.
Is gastric sleeve right for me?
Most patients will need to meet certain criteria for gastric sleeve surgery. As the gastric sleeve procedure is more invasive than a gastric band, but not such a major operation as a gastric bypass, it may suit patients for whom the bypass is inadvisable due to health complications.

Usually patients must have a certain BMI for gastric sleeve surgery to be suitable, which is typically those with a BMI of 40kg/m2 or over. However, if your BMI is between 30kg/m2 and 40kg/m2 you may be considered, especially if you have obesity-related conditions such as Type 2 diabetes, and even more so if you are from an Asian background (source: National Institute for Health and Care Excellence (NICE) guideline 189, 2014).

It’s important to know that surgery is dependent on a bariatric surgeon’s opinion and your individual circumstances. During your consultation, your surgeon will explain the criteria for a gastric sleeve and discuss whether it’s the most suitable procedure for you.
How long will I be in hospital after my gastrectomy surgery?
You will normally stay in one of our specialist hospitals for 2-3 nights after your gastrectomy surgery. Rest assured that our team offer exceptional standards of patient care and all our facilities are registered with the Care Quality Commission.
What can I eat after my sleeve gastrectomy?
The sleeve works to reduce portion sizes, rather than restricting specific food types. Compared to the bypass, there are fewer types of food to avoid after a sleeve gastrectomy. However, some patients may struggle with certain textures of food, such as bread or red meat. Our team of experienced dietitians will let you know what to eat after your sleeve gastrectomy to ensure you’re getting all the essential vitamins and minerals you need. It’s important to follow the gastric sleeve diet that your specialist advises to ensure you achieve the results you desire post-surgery.
Is drinking alcohol after my gastrectomy surgery OK?
We advise you to avoid drinking alcohol after gastrectomy surgery for at least the first four weeks post-op. Following this, be mindful that your tolerance is likely to reduce. While consuming small quantities of alcohol 1 month after a gastric sleeve is OK, it’s likely you will absorb alcohol into your bloodstream more quickly than before the operation.
What is Dumping Syndrome after gastric sleeve surgery?
Dumping Syndrome or rapid gastric emptying is relatively common following bariatric surgery procedures that bypass the majority of the stomach. It describes the symptoms that occur when food moves too quickly through the stomach and is “dumped” into the small intestine. However, only 1% of patients report their symptoms difficult to manage, and the sensation often occurs less as time passes.
What is the typical gastric sleeve recovery time?
The overall gastric sleeve recovery time will vary based on you and your individual circumstances. Many people feel comfortable walking a day or two after the surgery and can return to work within a few weeks, but it is best to always follow the advice of your expert weight loss surgeon.
How much weight can you lose after gastric sleeve surgery?
How much weight you can lose after gastric sleeve surgery will depend on a variety of factors. According to the NHS, more people tend to achieve significant weight loss with a gastric bypass or sleeve gastrectomy than with a gastric band. The gastric sleeve weight loss rate is as much as 55-60% after three years, but this will vary from person to person and the amount of effort that you put into changing your lifestyle and eating habits.
How much weight can you lose after gastric sleeve surgery?
How much weight you can lose after gastric sleeve surgery will depend on a variety of factors. According to the NHS, more people tend to achieve significant weight loss with a gastric bypass or sleeve gastrectomy than with a gastric band. The gastric sleeve weight loss rate is as much as 55-60% after three years, but this will vary from person to person and the amount of effort that you put into changing your lifestyle and eating habits.
How much is a gastric sleeve?
Here at The Hospital Group, we understand that every individual has different requirements, which is why we create a bespoke treatment plan in line with your weight loss goals. This means that the gastric sleeve cost may vary, depending on a range of factors. You can use our price check to work out how much your gastric sleeve could cost. You can choose to pay for your treatment in full or spread the cost out over 24, 36, 48 or 60 months using our finance options.

For example, if your gastric sleeve costs £9,145, you could pay a £500 deposit on a loan plan at 12.9% APR and pay 60 monthly instalments at £193.18pcm. This would mean you’d pay £12,090.80 in total.

We also have 0% finance options allow to spread the sleeve gastrectomy cost over a 6, 10 or 12-month period completely interest-free.

Next steps

Your journey step by step

First appointment

Your journey with The Hospital Group begins with a telephone consultation with our friendly surgeon assistants. During this conversation you can talk through why you’re interested in surgery, how much it costs, the finance options available to you, how much recovery time you’ll need, and potential surgery dates. Whenever you decide to book a surgery date, you can secure it for a minimum refundable deposit of £500.

If you would like to proceed, we will book your free weight loss consultation.

Surgical consultation

During the consultation with your surgeon, you will talk about your goals for surgery and go through your medical history to ascertain whether you are a suitable candidate for this procedure. You will also discuss the results you might expect, as well as the possible risks and complications of surgery. You will then be referred to a clinic nurse for pre-operative assessments and tests and a dietitian for discussion and advice on the pre- and post-operative diet.

The surgery

You will meet your surgeon on the day of your surgery so that you can talk through any final questions you might have and read through the consent form. The whole surgical team will be introduced to you before heading into theatre for the procedure.

The specifics of surgery will be discussed prior to the day – you will find out how long it will take, the types of anaesthetics used, and they will talk you through the procedure itself.


Following weight loss surgery, you will need to stay in hospital for the initial stages of your recovery. You will likely feel swollen and in some pain following the procedure. Our friendly nursing team will be on hand to look after you and provide any painkillers you might need.

Immediately after surgery, you will be given intravenous drip hydration so that your fluid levels are maintained. The procedure is carried out under general anaesthetic, so you will need to arrange for someone to drive you home when you are discharged. We recommend that you have someone with you until the effects of the anaesthetic wear off.

We will talk you through taking care of yourself at home before you leave hospital. There is also a 24/7 helpline available to you where you can call a member of the clinical team at any time for support.


The surgery itself is only the beginning, and we believe in the highest standard of aftercare following your procedure. Your body needs time to heal, and you will need to stay off work until you feel ready to return. You should also avoid any heavy lifting or strenuous activity for around six weeks. Recovery periods can be discussed with your surgeon before the procedure.

There are a number of different aftercare packages available to help aid you in your weight loss journey and these will be discussed during your consultation process. You can read more about these on our aftercare page.

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