Possible Clues:

• Break off speech for refreshment
• Handyman's work suggested by the starts of 18-, 20-, 38- and 57-Across
• Return of a monarch to the throne
• Get others to address housing repair
• Type of comedy with important speech after interval
• Repair broken iron and toaster
• Talk in one's sleep?
• Return to make speech after the break
• Renovation
• Good-as-new state