Burglars tore an alarm keypad off a wall when they struck at a home in Medbourne last weekend.
The incident happened between Friday and Monday (November 3-6) when offenders smashed a rear door at a property in Vernier Crescent.
After searching the property they stole a small bag of coins.
Anyone with information is asked to contact Det Con Samantha Reynolds on 101.
Alternatively call Crimestoppers on 0800 555 111 or online at crimestoppers-uk.org