Burglars stole jewellery, cash, and electronic items when they raided a house.
The back door of a property in Harvey Road, Croxley Green, was smashed into at around 9.45pm on Friday, September 2.
Police say a number of goods were stolen, including jewellery, handbags, a car key, two laptops, an iPad, and around £800 in cash.
No arrests have been made and enquiries are ongoing.
Anyone with information is asked to contact police, quoting crime reference 41/71491/22.
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Meanwhile, just after midnight that same evening, police were called to reports that a jewellery box had been stolen from an address in nearby Dickinson Square.
Police say they were no signs of forced entry.
Officers are investigating, and anyone with information is asked to quote crime reference 41/71132/22.
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Hertfordshire Constabulary added that its officers were called to Owens Way in Croxley Green at around 6pm on the Saturday following reports of antisocial behaviour involving youths.
Police attended but say everything was in order and no action was taken.
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