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RCGP Quick guide: Gantt Charts

Published: 10th January 2017

Once a project is underway, monitoring the chart helps to ensure you stay ‘on track’ to meet the milestones you set yourself.

A Gantt chart provides a visual representation of your project schedule which helps to identify a realistic timeframe for implementing a project. You can focus on the next ‘to do’ that needs auctioning, a well as review progress towards milestones by using the tracker function that colour codes progress. Once a project is underway, the plan should be monitored and reviewed regularly.

Download RCGP Quick guide: Gantt Charts

How to


  • All the milestones to be achieved for the project.
  • The tasks involved in delivering each milestone.
  • Who will be responsible for each task.
  • How long each will take.
  • Any problems the team might encounter in implementing them.
  • Which tasks are contingent on another.

It can be created on Excel by customising a stacked bar chart. In Excel 2013 a template can be downloaded free from Microsoft (Figure 1).

Figure 1: Gantt Chart

Gantt Chart

To create a Gantt Chart:

  • List the milestones and constituent actions (tasks) on the vertical axis.
  • List the time – in days, weeks or months – on the horizontal axis.
  • For each task, identify the proposed start point and draw a horizontal line from that point to the point when the action is due to be completed.

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