In April 1941 Quorn was superficially damaged by two delayed action bombs, that exploded twenty metres from her port quarter.
In August 1941 whilst on passage from Harwich to Chatham, Quorn set off a mine forty metres off her port bow. She was repaired at Chatham Dockyard. These took until September 1941 to complete.
In April 1942 Quorn hit a mine that blew a 9 foot by 15 foot hole in the port side of the ship. She was towed to Harwich and then to Sheerness where repairs took 4 months to complete.
On the 13 October 1942 Quorn was one of the five destroyers that intercepted the German auxiliary cruiserKomet in the English Channel. Komet was sunk and two M-class minesweepers were heavily damaged and set on fire. An hour later a second patrolling force of the same operation engaged a group of escort vessels, sinking an R boat and damaging a T boat.