How does CertNudge calculate the expiry date?

Supported Certificate Types & Validity Rules

CertNudge suggests an expiry date by adding a standard renewal period to the Issue Date you enter, but you should always verify and adjust this against your actual certificate before saving.

How the Expiry Date is Calculated

1
Select Certificate Type

Choose the type from the dropdown (e.g., Gas Safety, EICR).

2
Enter Issue Date

Input the date the certificate was issued, as shown on the document.

3
Expiry Date Auto-Suggested

The system automatically calculates and fills the 'Expiry Date' field by adding the typical validity period (e.g., +1 year for Gas Safety, +5 years for EICR).

4
Verify & Adjust (If Needed)

Crucially, check the suggested Expiry Date against your actual certificate. If it differs, simply click the date field and select the correct date before saving.

Example Scenarios

 
Example 1: Standard Gas Safety

Issue Date Entered: 10 Jan 2025

Default Interval Added: +12 months

Suggested Expiry: 10 Jan 2026 (Verify this matches your certificate)

 
Example 2: Manual Override Needed

Scenario: EICR issued Jan 2025, but engineer only gave 3 years validity due to property condition.

System Suggests: Jan 2030 (+5 years default)

Your Action: Manually change Expiry Date to Jan 2028 (+3 years) before saving.

Always Double-Check Your Dates!

Verify Before Saving - It's Your Responsibility

The auto-suggested date is a helpful time-saver based on common standards, but the date printed on your actual certificate is the legally relevant one.

  • Expiry dates can differ based on when inspections were carried out or specific findings (e.g., shorter EICR validity).
  • Always compare the suggested date to your document before clicking 'Save'.
  • Ensuring the accuracy of the Issue and Expiry Dates you save in CertNudge is ultimately your responsibility for compliance.
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