How do I choose the right CPR civil procedure calculator?
Choose the civil litigation step you are checking. Each route opens the relevant CPR calculation with its trigger, counting basis and source shown before you enter a date.
Procedure finder
CPR civil procedure deadline calculators
Choose the civil litigation step you are checking. Each route opens the relevant CPR calculation with its trigger, counting basis and source shown before you enter a date.
Choose a deadline checkCheck the cited sources, current rules and any order before using a date.
Worked check
One tested route from this procedure
- Example input
- August 3, 2026
- Relevant fact
- The CPR 7.5(1) service step was completed on Monday, August 3, 2026.
- Expected result
- Wednesday, August 5, 2026
The calculator excludes the completion day and counts the next two business days under CPR 6.14. Tuesday is day one and Wednesday is day two.
Choose the procedure first
A cited route for the step in front of you
These are focused procedural checks, not a general legal guide. Open the named step to see its trigger, period, counting method and the boundary that still needs to be checked.
Deadline checks
Pick the exact event or document
A calculator opens with the matching rule or system selected. A cited source guide stays deliberately source-first when the current model cannot faithfully generate a date.
Deemed service dateCalculates a dateCalculate when a claim form is deemed served under CPR 6.14, with the second-business-day rule and court closure dates shown.Second business day · CPR 6.14 and CPR 7.5(1)Acknowledgment of serviceCalculates a dateCalculate the 14-day acknowledgment of service deadline under CPR 10.3 from the deemed service date of the claim form.14 days · CPR 10.3DefenceCalculates a dateCalculate the CPR 15.4 defence deadline: 14 days after service of particulars, or 28 days where an acknowledgment was filed.14 days, or 28 days where an acknowledgment of service was filed · CPR 15.4Counterclaim with defenceSource guideCheck when a defendant can file a counterclaim without permission and connect it to the correct defence deadline instead of treating it as a separate fixed clock.With the defence, unless the court gives permission later · CPR 20.4(1) and (2); CPR Part 15Contribution or indemnity additional claimSource guideCheck the CPR 20.6 permission-free routes for a contribution or indemnity claim against an existing party, including the separate later-added-party 28-day route.With the defence, or 28 days after a later-added party files its defence · CPR 20.6(1) and (2); CPR 20.7Default judgmentCalculates a dateCalculate when the response period relevant to default judgment under CPR 12.3 expires after service of a claim form.After the applicable 14-day or 28-day response period expires · CPR 12.3Part 36 relevant periodCalculates a dateCalculate the minimum 21-day relevant period for a Part 36 offer under CPR 36.5(1)(c), with clear-day counting shown.At least 21 days · CPR 36.5(1)(c)Part 36 clarification requestCalculates a dateCalculate the seven-day period for requesting clarification of a Part 36 offer under CPR 36.8(1).Seven days · CPR 36.8(1)Small claims directions questionnaireCalculates a dateCalculate the encoded 14-day small claims directions questionnaire period under CPR 26.4 from service of the notice.14 days · CPR 26.4Fast and multi-track directions questionnaireCalculates a dateCalculate the encoded 28-day directions questionnaire period for fast, intermediate and multi-track cases under CPR 26.4.28 days · CPR 26.4Costs budgetSource guideCheck the two CPR 3.13 costs-budget routes before filing, including the directions-questionnaire route and the case-management-conference route.21 days before the first case management conference · CPR 3.13(1)(b)Budget discussion reportCalculates a dateCalculate the CPR 3.13(2) budget discussion report deadline, seven clear days before the first case management conference.Seven days before the first case management conference · CPR 3.13(2)Application notice serviceCalculates a dateCalculate the CPR 23.7(1) period for serving an application notice, at least three clear days before the hearing.At least three clear days before the hearing · CPR 23.7(1)Trial bundleCalculates a dateCalculate the encoded seven-day outer date for filing a trial bundle and check the three-to-seven-day window in CPR 39.5.Between three and seven days before trial; the calculator shows seven days · CPR 39.5Appellant's noticeCalculates a dateCalculate the usual 21-day deadline to file an appellant's notice under CPR 52.12(2)(b), subject to any different court direction.21 days unless the lower court directs otherwise · CPR 52.12(2)(b)
Check before use
The procedure is not the whole matter
- Court orders, agreed extensions and case-management dates take priority over the default rule.
- A procedural label is not enough on its own: check the document served, service method and any applicable Practice Direction.
Common questions
Using this procedure finder
What should I check before using a calculated date?
Court orders, agreed extensions and case-management dates take priority over the default rule. A procedural label is not enough on its own: check the document served, service method and any applicable Practice Direction.
Continue checking
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