Gastric bypass surgery at Spire Hartswood Hospital

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

At Spire Hartswood 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 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 a wide range of treatments
  • Internationally and nationally renowned consultants
  • Clear pricing with no hidden charges

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 Hartswood Hospital

Spire Hartswood Hospital is a well-established provider of private hospital treatments to patients across Essex and the South East. We have a choice of bariatric surgeons (consultants specialising in weight loss surgery) who perform gastric bypass surgery to help you lose weight when diet and exercise haven’t worked. Your consultant will work alongside our dietitians, nurses and specialists to ensure you get the right treatment and aftercare.

You'll receive support from a dietitian both before and after your operation.

Q & A

Simon Monkhouse, Consultant Upper GI and Bariatric Surgeon

Talking about gastric bypass surgery

How much does Gastric bypass surgery cost at Spire Hartswood 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 £150
Treatment price £12,065
Aftercare Included
From price From £12,215
Monthly treatment price

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

£271
Representative example
Loan amount £10,815
Deposit £1,250
Loan period 48 months
Representative APR 9.9%
Total amount repayable £13,008

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 Hartswood 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 Hartswood Hospital

Getting here

At Spire Hartswood Hospital, we’re very easy to reach from the A12, A13 and M11, based just 25 miles from London Stansted Airport and 20 miles from central London. We have free on-site parking for you and your visitors.

Your consultations

Your initial appointment will take place in one of our consultation rooms with a bariatric nurse before you see a consultant. During your consultations, we’ll:

  • Ask about your medical history
  • Explain about the different surgical methods – your consultant may recommend gastric sleeve surgery first
  • They’ll explain what’s included in your treatment price
  • Explain about your aftercare, the diet and exercise plan you’ll need to follow and how the operation will affect your lifestyle in the long term
  • Discuss risks and complications

The consultations give you an opportunity to ask any questions you may have. Once you and your consultant have decided to go ahead with a gastric bypass, you’ll be assessed by a psychologist, an anaesthetist and a bariatric specialist nurse. You'll also need to have a pre-operative assessment which may include:

  • An electrocardiogram (ECG)
  • Blood tests
  • Endoscopy

Gastric bypass surgery: your procedure

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

  • A wall-mounted TV
  • WiFi access
  • An en-suite bathroom
  • Comfortable chairs for your visitors

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.

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 to check you're recovering and losing weight as expected.

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

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

  • 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.

How to get to us

Spire Hartswood Hospital is based in quiet and peaceful grounds, just two miles from the M25 motorway and easily accessible from other major roads like the M11, A12 and A13. It is 25 miles from London Stansted Airport and 20 miles from central London.

Find us on Google maps

Use geographic coordinates/what3words

Spire Hartswood Hospital,

Eagle Way
Brentwood
Essex
CM13 3LE

Get in touch

Important information about COVID-19 tests

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

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https://patient.info/doctor/bariatric-surgery#nav-2
http://www.bospa.org/Information_Page_43.html
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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/