Cathays from Old English haga. An unlikely explanation which is sometimes found is that it is from 'Cad Hayes' – cad, the Welsh word for battle, and the various shades of meaning of the medieval English hague/hay above. The current term shares its orthography, but not its pronunciation nor meaning with 'Cathay', an alternative name for China. By the medieval period farmland outside the old Cardiff Castle, Cathays takes in the northern limit of medieval Cardiff — marked by the crossroads of Fairoak Road and Crwys Road. After John Stuart, 1st Marquess of Bute, married The Hon. Charlotte Hickman-Windsor (daughter of
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