The Metropolitan Police were called shortly before 3am on Tuesday (January 7), to reports of a burglary at David Clulow Opticians in Hampstead High Street.
Two suspects left the scene on a moped prior to the arrival of police.
Hitesh Odedra, regional manager of the store, told the Ham&High the door had been knocked off its hinges and designer sunglasses were stolen.
Scotland Yard continue to make enquiries to establish the circumstances and identify the suspects.
Officers are also investigating a burglary at the premises on January 3 where designer glasses were stolen from the front counter.
There have been no arrests at this stage.
Anyone with information or any witnesses are asked to call 101, ref 570/07jan. To remain anonymous, please contact Crimestoppers.