Allow about six hours for ordinary walking, pauses, and photographs. The route gains roughly 1,000 m and has no facilities once you leave the road, so carry food, water, waterproofs, and warm layers. Aim for a clear, settled day: cloud and wind can arrive quickly on the exposed ridge and summit, and poor visibility makes the open-fell descent harder to follow. Early starts usually give the best chance of quieter paths and clear light over Bassenthwaite.
Dogs may be brought, but keep them close around livestock and follow lead requirements on open access land. There is no technical scrambling on the intended line, but steep grass, loose slate, uneven paths, and exposure make this a serious mountain walk. If you want a shorter, simpler Skiddaw day, the Jenkin Hill route is more direct but misses the Longside Edge experience.