Abstract Objective To determine neurodevelopmental outcome in Congenital Diaphragmatic Hernia (CDH) survivors during the first three years of life. Methods Admitted CDH patients were assessed at the age of 12 (n=18) and 36months (n=15) using the Bayley Scales of Infant and Toddler Development Third Edition. Neurodevelopmental results of CDH patients were compared with published norms and with a healthy matched control group. Results At 12months, receptive language was mildly delayed in 6% of patients and 6% of patients demonstrated mildly delay in expressive language and gross motor skills. Eighteen percent of CDH patients had severely delayed scores for gross motor skills. At 36months, expressive language scores were mildly delayed in 21% of patients. When compared to the control group, CDH patients had similar neurodevelopmental scores at 12 and 36months of age. Conclusion CDH is not necessarily associated with impaired neurodevelopmental outcomes during the first three years of life. Summary The aim of this study was to describe neurodevelopmental outcomes in Congenital Diaphragmatic Hernia (CDH) survivors. At 12months, three (18%) patients had severely delayed scores for gross motor skills. At 36months, expressive language scores were mildly delayed in three (21%) patients. Neurodevelopmental outcomes of CDH patients were no different to healthy matched controls at 12 and 36months.