How to update your policy in the Marshmallow app
Follow these steps to make changes:
Open the Marshmallow app.
Tap on your current policy.
Tap Update details at the top of the screen.
Find the detail you want to update and tap Edit.
Confirm your changes.
Tip: If you don’t see your changes straight away, try logging out and back into the app.
What can I change in the app?
You can update the following:
Your vehicle
Your address
Add or remove a driver
Your expected mileage and usage
Your phone number
Your registration plate
You cannot update the following in the app:
Your name
Your email address
Your licence type
Your job
Any car modifications
Claims or convictions
Health issues affecting driving
Your policy excess
For these updates, please contact our support team.
Can I schedule a change for a future date?
Yes—if you're changing your vehicle, you can choose a future date in the app. For scheduling changes at a specific time of day, speak to our support team.
Will I be charged to make a change?
That depends on your policy type:
Policy Type | Admin Fee |
Marshmallow Lightest | £25 |
Marshmallow Essential | £25 |
Marshmallow Original | £0 |
Marshmallow Plus | £0 |
Note: Your premium may go up or down depending on the change you make.
What if I can’t make a change in the app?
You may be blocked from making changes if:
You have an open claim on your account.
You’ve exceeded certain change limits (e.g. more than 3 vehicle changes).
If you can’t make a change in the app, contact our support team and we’ll help you manually.