Related Clues:

• Six-sided rooms
• 90-degree letters
• 90-degree building extensions
• Rectangle halves
• Old English lengths
• Adds or joins to larger thing
• Old lengths
• Old measures of length to sell
• Extensions at right angles to the main building
• At length it's 'ot
• At length, as of old, it's 'ot
• 'E is just about fifty-fifty for old measures
• What's 'ot at length of old
• All comes to an end with them, by the sound of it
• It's hot for the cockney but long to be old-fashioned