Intruders broke into a North Hykeham home and stole items, including jewellery, in broad daylight on Monday.
It happened at a house in Maximus Road where the back door lock was taken out to get in and steal goods some time between 7.30am and 3.45pm.
Anyone with information should call 101, quoting incident number 219 of September 7.
The break-in came after wire fencing was stolen from outside a house in Penrose Close, North Hykeham, between Saturday night and Sunday morning.
When calling police, quote incident number 202 of September 7.