Greatest sales per unit area annually

According to Official Guinness Records,

The record for the greatest sales in relation to area of selling space is held by Richer Sounds plc, a British hi-fi retail chain. Sales at its branch in London Bridge Walk reached a peak of £195,426/m² ($27,830/ft²) for the financial year ending 31 January 1994.

For a complete list of 1994 records, please visit 1994 Guinness Records in United Kingdom.

Other United Kingdom records that might interest you:

• Most one arm push ups in one hour (male)
• Fastest time to make a bed by a team of two (single bed)
• First webcam
• Least darts 100,001
• Most coins snatched off the elbow
• Most expensive radio equipment sold at auction