A city plumber died after taking a mix of alcohol and heroin at a friend's house earlier this year.
Steven King, who was born in Norwich on November 10, 1980 died at his friend's house in Lingwood on April 5 this year but lived in Folly Road Wymondham.
An inquest into his death heard that the 43-year-old died after "taking an excessive quantity of heroin in combination with alcohol".
An ambulance report read out stated: "Mr King was found on his back, on the floor, in the lounge.
"There were obvious signs he was not breathing and was unresponsive for the 30 minutes we carried out CPR and various during interventions on him.
"His friend said he believed Mr King was alive at around 6pm but began to notice his breathing become shallower around 7.30pm and started chest compressions after dialling 999.
"After paramedics worked on Mr King was declared dead at the scene at 8.16pm."
Police confirmed that while searching for evidence within the home a foil wrapper with white powder was found in the kitchen bin.
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A GP statement read out stated there was no record of any mental health conditions but he had history of substance misuse.
It added there was a record of high alcohol intake in 2017 and heroin overdose in 1999.
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A postmortem from Dr Lonsdale said the medical cause of death was "respiratory and central nervous system depression due to heroin and alcohol toxicity".
It noted Mr King was very intoxicated when he went with a friend to collect drugs, returning back to the house, to continue drinking and taking heroin before becoming unresponsive.
Area coroner, Johanna Thompson, concluded that "Mr King died a drug and alcohol related death".
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