Medical Qualifications

Dr Sean Preston qualified from St Mary's Hospital Medical School. In 2005 he was awarded a PhD in gastrointestinal tumour biology after spending four years with Cancer Research UK. Following a year in Sydney on a Senior Endoscopy Fellowship, he completed specialist training in gastroenterology at the Royal London Hospital in 2007.

Medical Experience

Dr Preston is a Joint Advisory Group (JAG) accredited Bowel Cancer Screening Colonoscopist. He is the Clinical Lead for the Bowel Cancer Screening Programme at Barts and the London NHS Trust and is a Fellow of the Royal College of Physicians.

He is a member of the British Society of Gastroenterology and the American Society of Gastrointestinal Endoscopy. Dr Preston is a Consultant Gastroenterologist and General Physician and is available for private appointments at The Princess Grace Hospital, London.

Dr Preston specialises in the treatment of gastro-oesophageal reflux disease (GORD), Barrett's oesophagus, gastrointestinal cancer and has a specialist interest in bowel cancer screening as well as more general gastroscopy, colonoscopy, diarrhoea and abdominal pain.


Dr Sean Preston's Places of Practice


The Princess Grace Hospital

42-52 Nottingham Place

If you would like to make an appointment with Dr Sean Preston please click the button below

Make an Appointment

If you would like to arrange a private appointment with Dr Sean Preston please complete the fields below, we will contact you shortly to make the arrangements.

We are committed to safeguarding your personal information, please read our Privacy Policy for full details.

Please use the box below to provide further details that will assist us in dealing with your enquiry. For purposes of patient confidentiality, please provide brief details only of your personal medical condition or history at this stage
I confirm that I have read and I understand the terms and conditions contained on this website. I further understand that Consultant Profile will where appropriate refer this enquiry to the office of a relevant medical practitioner who will then contact you directly. I authorise Consultant Profile to make this referral and any subsequent follow-up enquiries that are necessary for the purposes of monitoring levels of service provision and satisfaction.