 El Nido was listed on the Queensland Heritage Register on 28 February 2003 having satisfied the following criteria.The place is important in demonstrating the evolution or pattern of Queensland's history.El Nido, erected in 1928, was an important and expensive house of its era, which remains important in illustrating the pattern of Brisbane suburban infill in the 1920s and 1930s, when the large suburban estates of the 1880s and 1890s were subdivided for closer density middle class housing.