In recent years, globalisation has led to an increase in both translation activity and dialogue between high level courts throughout the world. This study assesses the quality of the English translations published on the Conseil constitutionnel's website, with a particular emphasis on the judgments it hands down. The study analyses the responses to a questionnaire aimed at understanding the approach used to translate its content, coupled with an in-depth evaluation of its English translations based on two criteria for quality: legal semantic accuracy and consistency, and linguistic correctness. The findings reveal a number of inconsistencies, linguistic errors, and mistranslations of legal terminology which adversely affect the quality of the translations.