This seat is a marginal seat taking its history together , which has seen three changes , alternating between its two main parties since 1945 .
Sometimes in this period its member has enjoyed a formidable majority , sufficient to suggest a safe seat .
This seat is a marginal seat taking its history together , which has seen three changes , alternating between its two main parties since 1945 , although sometimes in this period its member has enjoyed a formidable majority , sufficient to suggest a safe seat .