Painter, born in Cheshire, who gained an honours degree after studies at Bath Academy of Art, Corsham, 1974–5, then Preston Polytechnic (Lancaster Annexe), 1976–9. Her mixed show appearances included 1981 Summer Show at Serpentine Gallery; Anne Berthoud Gallery, 1982; 1989 East Midlands Arts touring exhibition; The Face Fits, Middleton Hall, Milton Keynes, 1993; The Discerning Eye, prize winner, 1996; and Defining the Times, Milton Keynes Gallery, 2000. Leadbeater was included in The Silbury Group of Artists 10th Anniversary Exhibition at Milton Keynes Gallery, 2001–2. Solo shows included Mappin Art Gallery, Sheffield, 1982; Anne Berthoud Gallery and tour, 1983; Wilson Hale Gallery, 1989 and 1990; Wilson Stephens Fine Art and Lasar Segall Museum, São Paulo, Brazil, both 1991; Itau Gallery, Campo Grande, Brazil, 1992; and Milton Keynes Exhibition Gallery, 1994.