Louisa studied French and Spanish at the University of Oxford, where she won the Juliet Bernard Memorial Prize for Most Promising Actress. She extended her year abroad to study at École Jacques Lecoq in Paris. She was nominated for Best Breakthrough Talent for her role as Sherri in Clink at the Royal Television Society Awards, and is part of a writing duo with Aurora Dawson-Hunte, represented by Jethro Thompson at Tavistock Wood. She speaks French and Spanish fluently.