Pennie has a background in Social work, she was the Assistant Director for Lambeth social services and was responsible for overseeing all the Departments in Children and Families Directorate including Day Care, Adoption and Fostering, Area social Services Teams, Child Protection, Residential Care. Managing the whole budget for the Directorate. For the last 15 years she has been practising law and as a barrister turned solicitor she specialises in family law, wills and contract law. Constantia has kept her reputation as a thorough, dedicated individual and having a unique eye for attention to detail.