Daycase ACL reconstruction is commonly performed under general anaesthesia with a patella tendon graft. We report our experience with hamstring reconstruction under regional anaesthesia. Over a 14-month period, 104 daycase arthroscopic ACL reconstructions were performed by one surgeon and one anaesthetist. All operations were performed under spinal anaesthesia with a femoral nerve block. Patients were discharged with oral analgesia, brace and a cryocuff. One hundred and two patients were prospectively evaluated with a visual analogue pain score (0-10) and a patient satisfaction questionnaire. Of these 102 patients, 101 (99%) were happy to be discharged on the same day. One patient was admitted from the daycase unit, and one patient was re-admitted. Patients were very satisfied with the pain relief provided. The mean visual analogue pain score was 1.0 at discharge, 1.8 in the middle of the first night, and 2.1 on the first post-op day. Patients experienced significantly more pain the day after surgery than the evening of surgery (p=0.04). We conclude that hamstring ACL reconstruction under regional anaesthesia is well tolerated by patients as a daycase procedure.