Gastric bypass surgery at Spire Thames Valley Hospital

Reduces the size of your stomach and redirects the digestive tract.

At Spire Thames Valley Hospital, our highly skilled consultants and expert aftercare team offer gastric bypass surgery to help you lose weight if severe obesity is affecting your health.

During a gastric bypass, your surgeon will reduce the size of your stomach and connect it to the lower part of your small intestine, restricting the calories you can eat and absorb.

Sometimes also called

  • Roux-en-Y bypass

At a glance

  • Typical hospital stay
    2-3 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
  • Clear pricing with no hidden charges
  • Rated 'Good' by the Care Quality Commission

By Wallace Health I Medically reviewed by Adrian Roberts.
Page last reviewed: October 2018 I Next review due: October 2023

Gastric bypass surgery: what to expect at Spire Thames Valley Hospital

At Spire Thames Valley Hospital, we take pride in providing a high standard of private hospital care to our patients in the Thames Valley, Buckinghamshire, Berkshire and Windsor areas. 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 dietitian who can ensure the treatment and aftercare is tailored to your needs.

Q & A

Simon Monkhouse, Consultant Upper GI and Bariatric Surgeon

Talking about gastric bypass surgery

How much does Gastric bypass surgery cost at Spire Thames Valley Hospital

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.

Weight loss surgery - gastric bypass
Initial consultation We can't display the initial consultation fee just now. Call us for a quote.
Treatment price £13,430
Aftercare Included
From price From £13,430
Monthly treatment price

(Loan applicable to the treatment cost and excludes the initial consultation)

£306
Representative example
Loan amount £12,180
Deposit £1,250
Loan period 48 months
Representative APR 9.9%
Total amount repayable £14,688

The price shown is the ‘from price’ (ie the minimum cost of the procedure). Please note that for some procedures the actual price you are quoted may vary significantly and can increase depending on your choice of Consultant (who is an independent practitioner and not an employee of Spire). The fees charged by Consultants and Anaesthetists are set independently and are outside the control of Spire. The price may also vary depending on the type of anaesthetic, implant or drug used, and your medical history.

Spire Thames Valley Hospital can provide you with a single, fixed price for your procedure so there are no surprises. 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. Finance options are available through our partner Omni Capital Retail Finance Ltd, 10 Norwich Street, London, EC4A 1BD.

Preparing for gastric bypass surgery at Spire Thames Valley Hospital

Getting here

We’re only a 10 minute drive from both the M4 and M40 motorways and we’re less than half an hour from central London by train. There’s free parking on-site for you and your visitors.

Your consultations

Your first appointment will take place in one of our 10 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 dietitian and an anaesthetist 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

Gastric bypass surgery: your procedure

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

  • A TV
  • A window
  • An armchair
  • An en-suite bathroom with towels
  • A lockable bedside table

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 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, which has a TV and free hot drinks or water, while you have your operation.

Your aftercare and recovery

During your stay, you’ll be given painkillers for any discomfort. Your nursing team will make sure you have everything you need at all times.

We’ll have follow-up appointments with you after you leave hospital. These will be for a year after your surgery, to check on your progress and help you with any questions you may have.

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

2–3 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

  • 2–3 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.

How to get to us

Spire Thames Valley Hospital is only a 10 minute drive from both the M4 and M40 motorways and we are less than half an hour from central London by train.

Find us on Google maps

Use geographic coordinates/what3words

Spire Thames Valley Hospital,

Wexham Street
Wexham
Bucks
SL3 6NH

Get in touch

Important information about Covid-19 tests

COVID-19 testing or antibody tests are not available as a standalone service at Spire Thames Valley Hospital.

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https://www.nhs.uk/conditions/weight-loss-surgery/types/
https://patient.info/doctor/bariatric-surgery#nav-2
http://www.bospa.org/Information_Page_43.html
https://www.urmc.rochester.edu/highland/bariatric-surgery-center/questions/morbid-obesity.aspx
https://www.nhs.uk/conditions/weight-loss-surgery/
https://www.uclh.nhs.uk/PandV/PIL/Patient%20information%20leaflets/Laparoscopic%20Gastric%20Bypass.pdf
https://www.nice.org.uk/guidance/cg189/chapter/1-recommendations#bariatric-surgery-for-people-with-recent-onset-type-2-diabetes
https://patient.info/health/obesity-overweight/weight-loss-surgery#nav-4
https://www.hey.nhs.uk/patient-leaflet/weight-loss-bariatric-surgery-pathway/
https://www.diabetes.org.uk/guide-to-diabetes/managing-your-diabetes/treating-your-diabetes/weight-loss-surgery
https://www.nhs.uk/conditions/weight-loss-surgery/afterwards/
https://www.nhs.uk/conditions/weight-loss-surgery/risks/