The Boomtown Rats frontman was left devastated in April, 2014 when socialite Peaches Geldof, 25, was found dead at her home in Kent, England after suffering a heroin overdose.

It later emerged the mother of two had been receiving professional help for her addiction issues for two-and-a-half years before her death, and had been taking drug substitute methadone as part of her treatment programme to wean her off heroin following her relapse.

Live Aid hero Bob has now revealed her drug troubles led him to believe she would pass away before her time.

"Part of me kind of half-expected (it with) Peaches, to be honest with you," he tells RTE Radio 1 presenter Miriam O'Callaghan. "The way she was carrying on, there's nothing you can do about it."

He goes on to admit he is still struggling to fully come to terms with Peaches' death, especially as he feels her presence all the time.

"This thing of being forever 25, in my head, that's unbearable, simply because of that cliche - you're not supposed to see your children die," he says.

"But she is the one who is with me every second of the day and she is the one who bangs into my consciousness at any moment, especially in any down moment... where I'm not doing something. She's very present."

Peaches' passing eerily echoed that of her late mother, TV presenter Paula Yates, who passed away from a heroin overdose in 2000.

Police in Britain officially closed their investigation into Peaches' death in July (15) after failing to track down the drug dealer who supplied the heroin that killed her.