The father of a mentally ill man who was found dead in his flat told an inquest his son would not have taken his own life.

The body of Barnet-born David Pooley was discovered in his flat at Shamrock House in Station Road, High Wycombe, by a support worker at 3.15pm on Sunday, February 22.

Mr Pooley, who was diagnosed with paranoid schizophrenia, was last seen on the stairs of sheltered accommodation scheme the night before his death, joking that he was going out to pick up a takeaway in just his boxer shorts and a T-shirt.

The initial post mortem revealed some health issues linked to the 37-year-old’s lifestyle of eating fast-food, smoking and drinking two litres of cola every day but ‘nothing that would cause his death’.

A toxicology report revealed Mr Pooley had sertraline and clozapine in his system – both of which were prescribed drugs.

The cause of death was given as multiple drug toxicity as a result of associated schizophrenia.

His father Malcolm Pooley told Beaconsfield Coroner’s Court on Wednesday how his son “seemed fine” on the phone on the Friday.

He said: “I was planning on coming down to visit and he was looking forward to my visit and by the sound of it, he was in good humour.

“David was extremely careful with his medication…he wouldn’t have done it deliberately."

Buckinghamshire Coroner Richard Hulett reached a conclusion of drug-related death. He said: “It is an unfortunate overdose. There is no cut off, [the level of tolerance] differs from person to person.”