Splott farms, called the Upper and Lower Splott, situated between Roath Village and the sea." No residential or industrial development took place in the area, however, until the end of the 19th century. In 1880 the whole area between Cardiff and the Bristol Channel (known as East Moors) was marshland, apart from the farms of Pengam and Splott. Residential development started in the 1880s, constructing streets, houses, shops, taverns and Board Schools; subsequently, Churches were built by various denominations. The streets and housing were laid out by Habershon & Fawckner, architects for the Tredegar Estate. Splott park opened in 1901. Inevitably
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