What do the green, amber and red colours mean?
CertNudge uses a simple traffic light system so you can instantly see which certificates need attention and when to take action.
Three-Colour Status System
Green
Certificate is valid and compliant. No immediate action required.
Amber
Certificate expiring soon. Time to start arranging renewal.
Red
Certificate has expired. Urgent action required immediately.
When Colours Change
Certificate Lifecycle
Starts Green
Certificate issued with full validity period
Turns Amber
30 days before expiry - time to book renewal
Becomes Red
Expiry date passed - immediate action needed
Instant Visual Alerts
The Moment Colours Change
Badge colours update automatically so you know exactly when action is required:
- Green to amber flip: Certificate hits the 30-day mark - start planning renewal
- Amber to red flip: Certificate expires - immediate action required
- No guessing: Clear visual indicators remove any uncertainty
- Dashboard updates: All views reflect the new status instantly
What to Do for Each Colour
| Status | Recommended Action | Urgency Level |
|---|---|---|
| Green |
| Low |
| Amber |
| Medium |
| Red |
| High |
Example Badge Transitions
Gas Safety Certificate
Still plenty of time
EICR Certificate
Book renewal now
EPC Certificate
Urgent action required
Simple & Effective
The traffic light system eliminates guesswork. You can scan your dashboard in seconds and immediately see which certificates need attention. The moment a badge changes colour, you know it's time to act - no calculations or calendar checking required.