Change of address

To change your address and send us any supporting documents, please fill in the following form.

In just one click, thanks to your Extranet

Change your address and personal details directly online, from your computer or smartphone.

Go to GMnet or GMapp

Client No.

Title

Name *

First name *

Date of birth *

Postcode and town *

Telephone *

Email address *

Does the request apply to other family members?

Name *

First name *

Date of birth *

Postcode and town *

New address *

Postcode and town *

Valid from *

Message

Add document

Add document (Word, Excel, JPG or PDF, max 2 MB)

Add document

Help for families

Allowance for children with cancer

Help for families

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