Crooks have been targeting the rear windows and doors of homes to force their way in and steal valuable items.
Four homes in Bedford have been hit in the last week-and-a-half where cash, jewellery and computer consoles have been snatched.
On Monday, December 15 between 11am and 8pm thieves struck at Cedar Road gaining access by forcing open a rear kitchen window after using a deck chair from the garden to reach it.
A television Xbox One and cash were taken.
Between Wednesday, December 10 at 11.20pm and the following day at 6.15pm burglars forced open the French doors at a home in Cottril Way where they took jewellery and car keys.
On Wednesday, December 10 between 10.15am and 7,20pm, crooks broke a small kitchen window to get into a house in Fenlake Road. They took cash, a Ninendo games console and an Acer laptop.
On the same day between 10am and 10pm, burglars gained access to a home in London Road by forcing open a rear window. They took an Xbox console, Samsung R510 laptop, a Toshiba laptop, a Wahl electric razor, a bottle of whiskey and cash.
Anyone with information about any of these break-ins is asked to contact PC Maureen Ude at Bedfordshire Police via the non-emergency number 101, or text information to 07786 200011. Alternatively contact Crimestoppers, anonymously, on 0800 555 111.