The body of Calum Dempsey was found at the address on Holt Road in Horsford on March 11.

An inquest into his death was opened at Norfolk Coroner's Court last week, where assistant coroner Maeve Sykes confirmed he was born on October 22, 1996, in Irvine, Scotland.

Norfolk Coroner's Court (Image: Newsquest)

A provisional cause of death was given as combined toxicity of methadone, quetiapine, pregabalin and mirtazapine.

Methadone is an opioid, while quetiapine is an antipsychotic........

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