Police have named the man as Thomas Baird. He'd been stabbed and was pronounced dead in the early hours of Saturday after the blaze at his home in Westerdale, Hemel Hempstead, Hertfordshire.
A post-mortem examination carried out yesterday concluded that the 63-year-old died of trauma to the head and neck, and stab wounds to the chest.
A 30-year-old man from Hemel Hempstead, who was arrested on suspicion of murder on Saturday, remains in police custody.
More top news
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.
Staff at Envirowaste in Leyton say the medal may have been left within a piece of furniture and thrown away accidentally.