Gastric bypass surgery at Spire St Anthony's Hospital

Inclusive treatment and care from £11,386

At Spire St Anthony's Hospital, our consultants work closely with our dietitians and expert aftercare team to help you lose weight through gastric bypass surgery. If severe obesity is causing you to have health problems, our surgeons offer gastric bypass to reduce the size of your stomach and restrict the calories you eat and absorb.

Sometimes also called

  • Roux-en-Y bypass

At a glance

  • Typical hospital stay
    1-2 nights

  • Procedure duration
    1-3 hours

  • Type of anaesthetic
    General

  • Available to self-pay?
    Yes

  • Covered by health insurance?
    Some insurers, by exception

Why Spire?

  • Fast access to treatment when you need it
  • Internationally and nationally renowned consultants
  • Transparent pricing
  • Rated 'Good' by the Care Quality Commission

Gastric bypass surgery: what to expect at Spire St Anthony’s

Spire St Anthony’s is a large private hospital providing an extensive range of treatments and services for our patients in Sutton and the surrounding Surrey and south London area. You’ll have a choice of bariatric surgeons (consultants specialising in weight loss surgery) who can carry out gastric bypass surgery.

This can help to reduce your weight if changing your diet and lifestyle hasn’t worked.

Our bariatric surgeons are supported by a team of expert nurses who can ensure the treatment and aftercare is tailored to your needs. We can operate on complex patients due to having HDU and ITU facilities.

A dietitian will meet you before and after surgery to advise about a new diet plan and help you control your eating. They'll also have follow-up appointments with you to check how your recovery is going.

How much does Gastric bypass surgery cost at Spire St Anthony's Hospital

A gastric bypass procedure is available from £11,386.

It's a common operation to have done privately, and our inclusive prices and access to payment plans make it easy and more affordable, even if you don’t have medical insurance.

The guide price displayed shows what most patients who pay for their own treatment should expect to pay for treatment. The price may vary depending on Consultant, type of anaesthetic, implant or drug used, and may also vary due to your medical history.

You can trust Spire St Anthony's Hospital to provide you with a single, fixed price1 so there are no surprises. Finance options are available through our chosen partner2.

1Important: Please read Spire Healthcare's terms and conditions for full details of what’s included and excluded in your fixed price* when paying for yourself. 2 Spire Healthcare Limited is acting as a credit broker to Zebra Health Finance Limited. Company No. 09406708. Registered at 1 Worsley Court, High Street, Worsley, Manchester, M28 3NJ. www.zebrahealthfinance.com Zebra Health Finance Limited is a appointed representative of Chrysalis Finance Limited and Shawbrook Bank Limited is the lender. Spire Healthcare Ltd does not receive payment for arranging credit. All parties named here are authorised and regulated by the Financial Conduct Authority. Credit acceptance is subject to application and status. Terms and conditions apply.

Preparing for gastric bypass surgery at Spire St Anthony’s

Getting here

Spire St Anthony's Hospital is close to Sutton and Epsom. Sutton and Cheam stations are both on the Victoria and London Bridge line. Worcester Park station is on the Waterloo to Epsom line. There’s free parking on-site for you and your visitors.

Your consultations

Your first appointment will take place in one of our 19 consulting rooms. Your consultant will discuss your medical history with you and explain your different options. There’ll be plenty of time to ask any questions. You’ll be able to talk about:

  • What surgery involves – they may recommend gastric sleeve surgery to begin with
  • What’s included in your treatment costs
  • Your anaesthetic and how it might affect you
  • Any potential complications and risks of surgery
  • What’s involved in your recovery, including your aftercare plan which includes changes to your diet and lifestyle

If you decide you’d like to go ahead with a gastric bypass, you’ll meet a pre-assessment nurse so they can further assess if surgery is right for you. You'll also need to have a pre-operative assessment which may include:

  • An electrocardiogram (ECG)
  • Blood tests
  • STOP Bang assessment - for sleep apnoea

If your BMI is over 40, you'll also see a consultant anaesthetist during your pre-assessment appointment.

Gastric bypass surgery: your procedure

Your gastric bypass surgery takes one to three hours, but you’ll stay in hospital for one to two days afterwards. You’ll have a comfortable, private room with all the comforts and conveniences you’d expect to find at home, including:

  • TV
  • En-suite
  • Window
  • Armchair
  • Telephone

On the day of your operation, there’ll be a chance to meet your anaesthetist and the surgical team. You’ll have a general anaesthetic so you'll be asleep for the operation, which involves your surgeon reducing the size of your stomach and connecting it to the lower part of your small intestine.

If you’ve come with a friend or family member, they’re welcome to wait in our lounge or restaurant while you have your operation.

Your aftercare and recovery

While you’re in hospital, your nursing team will give you pain relief as and when you need it to make sure you’re comfortable.

After you leave hospital, we’ll arrange to see you four weeks after surgery so we can keep track of your progress and ensure you’re recovering and losing weight as intended. You'll also receive support and aftercare from a dietitian.

Although everyone’s different, here’s a typical recovery guide for gastric bypass surgery:

Treatment and recovery timeline

View full timeline

1–2 days

Leave hospital

4–6 weeks

Follow a controlled, monitored diet

4–6 weeks

Back to most activities and some weight loss

3–6 months

Less symptoms of rapid weight loss

2 years

Most weight loss will have happened

The treatment described on this page may be adapted to meet your individual needs, so it's important to follow your healthcare professional's advice and raise any questions that you may have with them.

Get in touch

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