Cathays and the resultant number of new workers flocking to Cardiff, in 1875 the then rural Cathays became a suburb of Cardiff. At that time, a few streets led off Woodville Road and Cathays Terrace. By 1900 the urbanisation of Cathays was virtually completed. Allensbank and Wedal farms survived briefly. In 1914 they became no more than local place names. Maindy Barracks was opened in 1871, and with United States Army troops temporarily stationed in transit in Cardiff during both World War I and World War II, the footpath between Gelligaer Street and New Zealand Road became known as " Road",
Crown Buildings, Cathays Park twenty years. In 1934–8, the block now known as Cathays Park 1 (a.k.a. CP1 or old Crown Building) was built by P. E. Hanton, as offices for the Welsh Board of Health. It is a three-storey building in the Stripped Classical style, with of floorspace. It also has an attic and a basement. Cathays Park 2 (a.k.a. CP2 or new Crown Building) is a five-storey office building with of floorspace, including an underground car park and a central atrium housing a cafe for the office staff. The "Encyclopaedia of Wales" describes CP2, completed in 1979, as conveying an impression of