Police are investigating the theft of a Mercedes badge and wheel-trims from a white Mercedes parked in Bwlch-y-Cibau near to the church.
The incident happened between 4.15am on December 21 and 12.45pm the following day.
Anyone with any information is urged to contact Welshpool Police Station on 101. Alternatively you can contact independent charity CRIMESTOPPERS WALES anonymously on 0800 555 111.