|Crucible of Terror (1971) [Marcia]: Burned to death when Mary Maude (possessed by the spirit of Me Me Lay) throws acid into her face after Judy opens her bedroom door. (Thanks to Thomas)
Twins of Evil (The Gemini Twins; Twins of Dracula) (1971) [Woodsman's Daughter]: Burned at the stake by Peter Cushing and his men. We see her screaming through the flames throughout the opening credits.
The House That Vanished (Scream...and Die!; Psycho Sex Fiend) (1973) [Lorna Collins]: Strangled with a belt while being raped by Karl Lanchbury in her bedroom. Her body is shown afterwards when Andrea Allan discovers her. (Nudity alert: Topless) (Thanks to Ed)