The most popular repair to a fence is to the snapped/rotten timber posts. This is either a post replacement of a concrete spur or godfather. Spurs are an excellent choice when posts have rotted out within a few years. This means that the ground is either acidic or damp. See below for the repairs that can be achieved. concrete repair spurs can often save a costly replacement.
Other repairs can involve panel or even bay replacements.
Sometimes just a new gate is required.
Let us mend your fence.