England & Wales 路 CPR
What is the deadline for part 36 relevant period?
A Part 36 offer must usually specify a relevant period of at least 21 days. Enter the service date to calculate the end of the minimum period.
Calculate my deadline- Period
- At least 21 days
- Trigger
- Service of the Part 36 offer
- Rule
- CPR 36.5(1)(c)
Civil Procedure Rules source checked 06/08/2026
Free calculator 路 No account needed
Calculate your deadline
Enter service of the Part 36 offer. See the date, cited rule and counting steps.
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Which date starts this period?
The recorded trigger is service of the Part 36 offer.
The calculation runs forward from service. Confirm the operative event before entering a date.
Read Civil Procedure Rules Part 36Filing, service, receipt, entry and notification can be different events. Use the event named by the cited provision.
Review the filing checklistHow is the At least 21 days period counted?
- Confirm service of the Part 36 offer.
- 21 clear days; the service day is excluded
- All calendar days count because the period exceeds five days. A deadline ending on a court closure day moves under CPR 2.8(5).
The calculation runs forward from service.
Check any local closure, filing-system outage or order that is not part of the encoded calendar.
Read Civil Procedure Rules Part 36It does not infer an unrecorded order, agreement, closure, service fact or filing cutoff.
Review exceptionsWhat does a worked calculation look like?
Fictitious example
The Part 36 offer was served on Monday 3 August 2026. The service day is excluded and the 21-day relevant period runs to Monday 24 August. The page does not infer a different period stated in the offer.
| Step | What is counted | Date |
|---|---|---|
| Input | Service of the Part 36 offer | 03/08/2026 |
| Result | Expected result from the reviewed fixture | Monday 24 August 2026 |
Can an exception or order change the deadline?
- Current source
- Check Civil Procedure Rules Part 36 and the applicable Civil Procedure Rules source checked 06/08/2026.
- Orders and facts
- An offer made less than 21 days before trial is subject to CPR 36.5(2).
- An offer made less than 21 days before trial is subject to CPR 36.5(2).
- The offer itself may specify a longer period, which controls instead of the minimum.
What should I check before filing?
These checks support review. They do not certify that the deadline applies or file anything for you.
Common questions
Review the starting event, counting method, exceptions and record options for this part 36 relevant period.
Starting the period
Which date starts this period?
Use service of the Part 36 offer. Confirm that event from the relevant filing, service, decision or case list record before entering a date.
Read Civil Procedure Rules Part 36Can I substitute a nearby filing, service or receipt date?
No. This page uses service of the Part 36 offer. A different procedural event can produce a different result even when it occurred nearby.
Read Civil Procedure Rules Part 36Counting and the final day
How is the period counted?
21 clear days; the service day is excluded. All calendar days count because the period exceeds five days. A deadline ending on a court closure day moves under CPR 2.8(5).
Read Civil Procedure Rules Part 36What should I check about the final filing day?
Check the applicable time zone, filing method, office or system availability, holidays, closures and any order affecting the matter. The calculator does not infer unrecorded local facts.
Exceptions and orders
Can an exception or order change the result?
An offer made less than 21 days before trial is subject to CPR 36.5(2). The offer itself may specify a longer period, which controls instead of the minimum.
Read Civil Procedure Rules Part 36Does asking for more time change the deadline automatically?
No. A request, agreement or application changes the operative date only when the governing rule or an effective order gives it that effect.
Results and records
Can I calculate without an account?
Yes. The calculation, citation, working and warnings remain free. The server separately decides whether a completed result can be retained.
When is an Evidence Record available?
After calculation, the server verifies reproducibility and release status. An eligible record preserves the retained inputs, result, source, working, warnings and review state.
Official sources and review
The period, trigger and counting treatment come from the recorded source and reviewed calculator configuration.
| Provision | Purpose |
|---|---|
| CPR 36.5(1)(c) | Trigger, period and procedural scope |
Rule record reviewed .
Published by Deadline Engine. This tool calculates the recorded period. It does not decide whether the rule applies or file anything for you.