Sanchini Thompson was found injured in Rushey Green just after 3am on October 15.
He was taken to hospital for treatment where he later died.
A post-mortem examination confirmed the cause of death to be a stab wound to the chest.
His next of kin are being supported by specialist officers.
In a written statement Sanchini’s family said he was a devoted father to his four-year-old daughter.
They said: “In loving memory of a son, a father, and a cherished friend, our hearts are heavy as we remember a man whose presence brightened every room he entered.
“At just 27, he was already a pillar of kindness, a devoted father to his beloved four-year-old daughter, and the heartbeat of his family.
“He gave freely of himself sharing his time, his laughter, to bring joy to others, always prioritising the happiness and well-being of those around him.
“His generosity knew no bounds, and his compassion touched friends, neighbours, and strangers alike.
“Words cannot fully capture the depth of our gratitude for him and the impact of his kindness on our lives.
“He will be deeply missed, but his spirit will remain with us in the love he shared and the memories we will carry forward.”
No arrests have been made at this stage.
Detectives are keeping an open mind as to the motive and circumstances.
Detective Chief Inspector Rebecca Woodsford, leading the investigation, said: “We are all thinking of Sanchini’s loved ones at this heart-breaking time.
“I’d also like to echo previous thanks to residents, who have been incredibly patient while we conducted initial enquiries.
“Knife crime has no place on our streets, and myself and the team of dedicated detectives are working round the clock to ensure we find those responsible for this heinous crime.”
If you have any information about the incident, please contact police on 101 stating 635/15Oct.
You can also speak with independent charity Crimestoppers anonymously on 0800 555 111.