Judicial review time limit calculator (CPR 54.5; Aarhus caps)
calculate_judicial_review_time_limitsWorks out the time limits for a claim for judicial review in England and Wales: promptly and in any event within 3 months of the grounds arising (CPR 54.5(1)), 6 weeks for decisions under the planning Acts (54.5(5)), 30 days beginning with the day of knowledge in procurement (54.5(6); Procurement Act 2023 s.106), with the pre-action protocol letter and reply, service of the claim form (54.7), the acknowledgment of service (54.8), the reply (54.8A), renewal after refusal on the papers (54.12), detailed grounds (54.14), the fees and the Aarhus Convention costs caps (CPR 46.24 to 46.28). Time cannot be extended by agreement. It never advises whether to claim.
Tool call template
Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.
{
"id": 1,
"jsonrpc": "2.0",
"method": "tools/call",
"params": {
"arguments": {
"kind": "<kind>",
"grounds": "<grounds>"
},
"name": "calculate_judicial_review_time_limits"
}
}Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| kind | Yes | The kind of claim: "general" (Most claims: any other decision, action or failure to act), "planning" (A decision of the Secretary of State or a local planning authority under the planning Acts), "procurement" (A procurement decision (Procurement Act 2023, or the Public Contracts Regulations 2015)). | |
| aarhus | No | The claim form says it is an Aarhus Convention claim (costs caps, CPR 46.24 to 46.28). | |
| issued | No | Optional: the day the claim form (N461) was issued. | |
| served | No | Optional: the day the step to serve the claim form on the defendant was taken. | |
| grounds | Yes | The day time runs from: "general", the day the grounds first arose; "planning", the date of the decision; "procurement", the day the claimant first knew or ought to have known of the grounds. | |
| claimant | No | Who the claimant is, for the Aarhus cap: "individual" (an individual), "other" (a company or other body). | |
| aosServed | No | Optional: the day the acknowledgment of service was served on the claimant. | |
| letterSent | No | Optional: the day the pre-action letter before claim was sent. | |
| refusalServed | No | Optional: the day the order refusing permission on the papers was served. | |
| permissionServed | No | Optional: the day the order giving permission was served. |