This is a 45% rise on the number of claims during the corresponding week last year.
Joanne Mallon, Sainsbury's car insurance manager, said: "Last week was one of the busiest weeks we can remember for car insurance claims. Drivers in this country aren't particularly familiar with driving in snow and ice and the conditions in many parts of the country were probably the worst many have experienced.
"If more severe weather arrives, we would advise people to only make essential journeys. Apart from the