Asda executive chair Allan Leighton has emailed the supermarket's head office workers instructing them to prioritise Mondays and Fridays working in the office.

Grocery chain Asda is calling workers back to the office three days a week from January. The British retailer says it will improve on-site catering and provide better bathrooms for staff.

Asda executive chair Allan Leighton has emailed head office staff telling them to spread out their working from home days to include Mondays and Fridays.

Asda has proposed further redundancies as part of a move to combine managerial roles into newly created positions.