Intruders broke into a pair of homes in Gedney Hill within two weeks, although it is unclear whether any items were taken.
The most recent break-in took place at a house in North Road some time between 9pm last Thursday and 8.30am last Friday.
This came after a break-in at a house in Lincolns Avenue some time between 5pm on Wednesday August 28 and 6pm on Monday September 2.
Anyone with information should call police on 101.