A person of interest in the case of missing toddler William Tyrrell has released a recorded video statement denying any involvement in the boy's disappearance from the NSW Mid North Coast, Australia.

Washing machine repairman William Spedding posted the video online following renewed public interest in the case, with this Saturday marking 12 months since William, 3, vanished from his grandmother's backyard in Benaroon Drive, Kendall.

"My wife Margaret and I offer the Tyrrell family our sincere commiserations in the tragic event of William's disappearance," Spedding says in the video.



"I wish to state that I have had no involvement whatsoever in the disappearance of William Tyrrell."



Spedding's home in Bonny Hills was searched in January as was his pawnbroker business and adjoining office in the main street of Laurieton.



A mattress and computer were carried away by detectives, in full view of curious locals, for examination.



A property in his former home town of Wellington, in NSW's Central West, was also searched.

SUPPLIED William Tyrell on his third birthday.

However, he has strenuously denied any involvement in William's disappearance. Police have said the searches of Spedding's properties were just one of a number of lines of inquiry into William's disappearance.

Spedding said he recorded the video to correct "inaccurate" reports that he was supposed to have been at William's grandmother's house on the day the toddler went missing.

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He said he first attended the house on Tuesday, September 9, and then returned on September 18 but had not been in the house, or even the same street, on September 12, the day William disappeared.

"I have not been in the Tyrrell house or to the Tyrrell house, or to the street, before, between or after these dates," he said.

"The media have reported that I was supposed to attend the Tyrrell house on the 12th of September 2014, this being the day of William's disappearance."

"I wish to make it perfectly clear that this claim is completely false."

"I did not make any indication, of any nature, which would lead any person to believe that I was to attend the Tyrrell house on the 12th of September 2014."

Spedding concluded the video by appealing for anyone who has information into William's disappearance to contact Crime Stoppers.

He is on bail for historical child sex offences, having been charged with five counts of sexual intercourse with a person under the age of 10 years and two counts of common assault in relation to two girls, aged three and six, in Campbelltown in 1987.

The charges are unrelated to the investigation into William Tyrrell.

With this Saturday marking one year since William disappeared, police on Monday released new information about four vehicles seen in the area on the day the toddler vanished.

Two of the cars - a white station wagon and dark grey sedan, both older models - were seen by William's mother parked in an unusual spot as she played with her son in his grandmother's yard on the day he vanished.

No one was seen in the vehicles, but the drivers' windows were down.

Detectives also released details about two other cars seen in the area on the morning William wandered around the side of the house and disappeared.

One vehicle is a green or grey sedan that drove past the house about 9am while William and his sister were riding bikes in the driveway.

Detective Inspector Gary Jubelin said the car drove into the quiet cul-de-sac, did a U-turn in a neighbour's driveway and drove out of the street.

The second sighting was of a four-wheel-drive driving out of Benaroon Drive about 10.30am - when William vanished - and was later seen speeding down another Kendall street.

"The people driving these cars have not come forward to police," Detective Inspector Jubelin said.

"But it's important in saying that we have received information we are following up about who might be owners of these vehicles."

He would not elaborate on what links investigators had made between the cars and "other information that has come to us in recent times".