Her London house in Notting Hill , where she has lived for some 20 years , is a kind of temple to English eccentricity , filled with odd bits of design : a trompe l'oeil Fornasetti desk , an 80 's Memphis dining table , a Union Jack embroidered with flowers and butterflies -LRB- handmade by Lucinda Chambers , the fashion director of British Vogue -RRB- .