Kevin Biggs stole women's underwear from clotheslines across the Nelson region.

Kevin Biggs had been stealing women's underwear from clotheslines around Nelson for months when police finally caught up with him.

It was about 1.20am on Monday, September 12, when someone saw him jump a fence into a property in Ellis St, Brightwater. He had been to this property previously, taking underwear and bras.

The witness watched as Biggs took a pair of white underwear and two corsets from a clothesline before returning to his car.

They took down his number plate and called police.

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A short time later, police found Biggs in his car in Wakefield. He had three bags with him.

They were full of women's underwear and clothing.

Biggs pleaded guilty in the Nelson District Court on Monday to five counts of burglary, relating to five separate addresses.

The first incident that police know about happened between July 1-12 in Centennial Rd, Tahunanui.

Biggs entered the property and took women's underwear from a clothesline. He returned to the same property on July 13 and took three pairs of women's underwear.

He also struck in Nayland Rd, Stoke, and Doran Rd, Richmond. He took knickers, bras, corsets and even a Westpac work blouse.

Defence lawyer requested a report into Biggs' mental health.

He will reappear in court for sentencing on next month.