Police have also taken the unusual step of naming 22-year-old Jamie Marsh-Smith who they want to speak to in connection with the murder. He is known to have links to Tottenham, Hackney, Camden and Kilburn.
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The unexploded bomb was found near the Houses of Parliament and led to disruption in central London overnight.
Led by Quo frontman Francis Rossi, Parfitt's band mate for 50 years, the group's current line-up joined mourners at Woking Crematorium.
Currently the Ealing Council has a huge shortage of suitable space and sees these steel well insulated boxes as a cheaper alternative.