Laparoscopic Transversus Abdominis Plane Block (LTAP) for Appendicectomy Versus Standard Port Site Treatment

Inclusion Criteria: * Provide signed and dated informed consent form * Willing to comply with all study procedures and be available for follow up telephone follow up * Male or female, aged over 18 * Diagnosed either clinically or radiologically (CT/US/MRI) with appendicitis * Uncomplicated or complicated appendicitis * Undergoing laparoscopic appendicitis surgery only * Must be fluent in English in order to complete telephone follow up questionnaire * Fulfillment of each criteria must be clearly evidenced (in lab reports or correspondence) and/or documented in the medical records. Exclusion Criteria: * Male or female under the age or 18 * Laparoscopic converted to open appendicectomy (during surgical procedure) * Open appendicectomy (planned) * Pregnancy. * Females must not be breastfeeding * Known allergic reactions to components of the study product(s) ) * Not fluent in English - which would prevent participants to complete follow up telephone questionnaire * Malignant appendicitis * Spinal Anaesthesia, Epidural analgesia catheter or injections, Post-operative requirements for patient controlled analgesia (PCA) * Right hemicolectomy or any concomitant or simultaneous intervention * Allergy or hypersensitivity to any of the components of Bupivacaine * Presence of any other illness or condition that renders the patient unsuitable for trial participation in the opinion of the investigator