Updated 4.34PM: The police officer in charge of the scene following the Lundy double murders has described what he saw on August 30th, 2000.

Detective Senior Sergeant Nigel Hughes has told jurors at Mark Lundy's retrial about how police first entered the scene the day the two bodies were found.

He says when he looked into the master bedroom - he saw Christine Lundy lying naked in bed.

"There was a large amount of blood around her and also in and around that room, the bedroom," he said.

"I would say that she was unrecognisable because of the injuries that she had sustained."

He says the bed Amber Lundy had slept in the night she died, looked barely touched.

"Amber had got up and her teddy bear had been caught in the sheets."

Amber Lundy's body was found in the doorway of her mother's bedroom.

Earlier, a woman who used to clean Mark Lundy's home gave evidence.

Rowena Collett had been cleaning the house in Palmerston North for three years before the double murders.

The last time was two days before the killings.

She says things felt a little different in the home.

"I felt a bit of tension as I walked in the door."

Rowena Collett says she felt like she'd interrupted something.

Rowena Collett also told police about a suspicious car she saw two days before Christine and Amber Lundy were killed.

Defence lawyer David Hislop has asked her about a statement she made to police, following the murders.

In it, she says she saw three people in a white car drive slowly past the Lundy's house.

David Hislop says the statement described two males in the front and female in the back of the car who took a hard look at the house.

He asked Rowena Collett if she remembered that, to which she replied that she vaguely did.