John Lewis is the latest UK High Street store to suggest that the iPad has helped it achieve better than expected sales.

John Lewis' buying and brand director Peter Ruis said: "Our performance in electricals continues to delight. Much of the strength in this area comes from customers continuing to buy into our new technology offer with our communication technology department delivering a 78.2 percent increase, powered by our largest-ever week on Apple and a 20 percent increase in ereader sales as customers prepare for holidays," according to a Reuters report.

The department store said sales increased 9.9 percent year-on-year to 76.12 million pounds ($118.03 million) in the week to June 23.

Both Dixons and Argos have also reported better than expected sales due to the iPad.