Kurup's theatrical credits include: Sweet Charity (Donmar Warehouse), Girl from the North Country (Old Vic - original London cast) and The Threepenny Opera (Royal National Theatre).

In 2015, Kurup played the role of Reno Sweeney in Stage Entertainment's production of Anything Goes (UK/Ireland Tour) for which she received a MTA nomination for Best Actress.

Also, she played DeeDee in Ben Elton's musical, Tonight's The Night at the Victoria Palace, Mimi in Rent UK Tour and in the West End at the Prince of Wales Theatre, Carmen in Fame (musical) for the UK tour, and Consuela/Anita in West Side Story at the Prince of Wales Theatre.

In September 2007 she starred in new musical I Love You Because at the Landor Theatre, Clapham, London as Diana Bingley, receiving critical acclaim.

[3] Kurup features on the original London cast albums of The Prince of Egypt, Girl from the North Country, Tonight's the Night, Sister Act and Chess in Concert recorded live at the Royal Albert Hall.