Mr Digby, 32, was a presenter on several BBC shows, including Double Agents, Living In The Sun, House Swap and Buy It, Sell It, Bank It.

He was pronounced dead at the scene when ambulance services arrived at his flat in Newham, east London, this morning.

Police said they were called to the address by another person at the property.

A spokesman said: "Police were called to reports of a body of a man in his 30s found at an address in Richford Road, E15.

"Ambulance services attended and life was pronounced extinct. Next of kin were informed and we await formal identification.

"There will be a post-mortem at 12 noon at East Ham mortuary."

Newham CID are investigating the circumstances of the death.

A BBC statement said: "Kristian was a much-loved and talented presenter for BBC Daytime. He brought a real sense of energy and warmth to all the shows he presented for us and will be sorely missed. Our thoughts are with his family at this very difficult time."

Kristian's agent and friend Jo Wander said: "I am devastated by the loss. He was a lovely guy and a very talented presenter and director. I will miss him hugely and my thoughts at this time are with his family and his many friends. He will be sorely missed."

Hundreds of people tweeted and wrote Facebook condolences after Sky broke the news of Mr Digby's death.

"Shocked by news of Kristian Digby's death. We shook hands last Monday at event in Worcester. He seemed lovely and was great keynote speaker," one tweet said.

"So sad to hear of his death, he's certainly gone too soon - seemed so nice I'll miss seeing him on my TV," wrote another.

"Daytime TV won't be the same," wrote a fan on Facebook.

As well as being a presenter, Mr Digby also directed films and television programmes.

He won a junior Bafta in 1997 for his short film Words Of Deception and directed programmes such as Home Front, Fantasy Rooms, She's Gotta Have It, Girls On Top and The Ozone.