Wayne Parchment, 61, was last seen by a relative in the Spital Street area on Thursday, April 10,2025.
On Friday, April 11, CCTV captured Wayne entering Central Park from Market Street at 9.46am, as he walked near the bandstand.
Chief Inspector Lee Cheesman said: “Wayne has been missing now for five days and we are growing increasingly concerned for his welfare.
“We have specialist teams, assisted by the National Police Air Service and Kent Search and Rescue volunteers, making extensive checks in areas in and around Central Park, including Brooklands Lake.
“We are now urging people living close to the park, including those in the nearby Tree Estate, to please check any outbuildings and gardens in case Wayne may have sought shelter.”
Wayne is of mixed race and around 6ft.
He is described as bald with a grey, short beard and moustache.
He may be wearing a pair of black jogging bottoms, a grey top, dark blue jacket and black shoes.
Wayne often wears a lanyard around his neck with two keys attached. He is likely to be on foot and may also appear to walk with a shuffle.
He frequents areas in Dartford, which also include Lowfield Street and Princes Road.
Anyone with information on Wayne’s whereabouts should call 999, quoting reference 12-0856.