The Lamp in Assassin Mews(1962)

To beautify his street and trim city spending, stuffy councilman Jack (Francis Matthews) pushes to have the last gas lamp in town removed. But this angers his neighbors Albert (Ian Fleming) and Victoria (Amy Dalby), an inconspicuous pair of serial killers who choose Jack as their next victim. This dark comedy also stars Lisa Daniely as Mary, a local advocate who fights tooth and nail against Jack's modernization efforts.