Possible Clues:

• No longer having little room, hospital department is first-class
• Superb former dungeon is on top of hospital ward
• Former prison abutting part of hospital in capital
• Mr. Burns's word
• First-class old mini-dwelling ending with the National Trust
• Very good female characters by Pym
• Sailing dame going after former partner in court knockout
• Select former unit on hospital department
• Outdo others with fast time — fantastic!
• Former cubicle on hospital department cracking