The Office of the Planning Regulator

City and/or County Development Plans Calculator

How to use the CDP Calculator

Choose the plan-making step.

Choose the date for when the selected step has or will take place.

Agree to OPR Terms and Conditions.

Click “Calculate your Timeline”.

Share, print or download your plan-making timeline.

Read More About the Calculator

Timeline: when you create a timeline it will calculate the dates going forwards and backwards for all stages in the relevant plan-making process.

Additional days: if any of the steps occur between 24th December and 1st January (inclusive) then the CDP Calculator will add nine additional days to the timelines to reflect the Christmas period, in line with the Act.

Covid-19: where a step occurred between 29th March and 23rd May 2020 (inclusive) then the CDP Calculator will add eight additional weeks, in line with the Act.

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Plan-Making Calculator

City and/or County Development Plans Calculator