Possible Clues:

• What's for the rest of the guests, yet mainly a garden area?
• Seat that converts for sleeping on
• Houseguest's accommodation
• Very brilliant journo? One may be lying here!
• Lincoln's popped into empty shed that's for the rest of the guests
• Dual purpose couch
• Convenience for an overnight guest
• Versatile furniture item
• Wonderful journalist on very comfortable seat
• Houseguest's place to sack out