Hello ZiggyBond,
Welcome to the Community - thank you for your question!
Have you entered the full address within the customer information box when setting up the customer?
You can amend the email template - you can do this when you click save and send, or you can edit it through clicking the cog wheel and custom form styles. Click edit on the template you are using and select 'Emails'.
Please let us know if you have any further questions.
Thank you,
Talia