Heritage Open Day: Open days 12th and 13th September at Nuneaton's only Grade 1 listed building Come and explore the church at the heart of our town, St Nicolas, Nuneaton. Serving the community since 1130, this is the only Grade 1 listed building in Nuneaton. Over the weekend 12-13th September, the church will be open for all, including interactive family activities, and information on the centuries of history, from Medieval France to schoolboy riots, African chiefs and George Eliot!