If you have symptoms that you are worried about, you are able to attend our urgent care centre Casualty First. London’s only private walk-in centre staffed by A+E doctors. Open 7 days a week, Casualty First's highly experienced doctors are able to treat all minor injuries, accidents and illnesses on a walk in basis, and can arrange immediate onward referrals to our specialists. Referrals are routinely covered by medical insurance companies. Treatment for adults & children from age one year.