have allowed for a congregation of 1,200 to have an interrupted view of the nave altar. However, as the building had been used for many years without its extension, it was quite usable and there was no urgency to finish the work. By the mid-1980s, however, the "temporary" brick wall was found to have become unstable and in danger of collapse, which made the completion work pressing. The task of the architects was to find a solution to the problem of finishing Nicholson's truncated nave: the nave was originally intended in the 1930s plans to be longer, in the traditional style of an English cathedral, but the changing needs of the diocese meant that the building was finally built with a foreshortened nave, the final west wall being located close to where the temporary structure had been. Efforts were started to raise the £3 million necessary to carry out the plans. Work began in January 1990 and eventually a fourth bay of the nave, western towers, tower rooms, rose window, gallery, ambulatory, together with the stone altar beneath Nicholson's tester and the new stone font were added. In November 1991, the completed building, much smaller than the original plans envisaged, was consecrated in the presence of Queen Elizabeth The Queen Mother. Architecture The formal entrance into the cathedral is through the bronze west doors, designed by Bryan Kneale. The design is based on the tree of life, an ancient symbol representing the renewal of life. The completed nave is a square space that is enclosed by an outer ambulatory. The ambulatory is low and vaulted. Because the furniture in the nave is not fixed, it can be used for various means, including concerts and exhibitions as well as services. On the rood screen, beneath the nave organ case is a sculpture called Christus by Peter Eugene Ball. The nave organ case was designed by Didier Grassin in 2001; the inside of the panels were designed by Patrick Caulfield. The left side depicts night, with a stylised lighthouse shining on the sea (which alludes to the City of Portsmouth's motto, "Heaven's Light Our Guide"). The right door depicts day, showing the sun and the hull of a fishing boat. The tower is pierced to provide an organ loft raised on a low dark passage. The font (1991), made to a Greek design of the ninth century, is placed centrally between the