Manage an existing mortgage with us

Customer needs extra borrowing?

If your customer needs extra borrowing, please apply using our mortgage online application portal.

Mortgage online application portal

You can submit any supporting documentation through the application portal.

Other applications

• Porting a rate or adding/removing a party

Complete a mortgage application form.

• Any other change:

Complete the income and expenditure form.

Once you're ready, email the completed form(s) and the supporting documents to brokers@natwestint.com.

Gather the supporting document

• Employed customers: last 3 months' payslips, last 3 months' bank statements, and any documents that show other commitments (for example mortgage statements, credit card statements or rental agreements).
• Self‑employed customers: finalised accounts or tax returns for the past 2 years, plus the most recent 3 months' personal and business bank statements.
• If someone's being added to the property title, include ID for the new person.

Complete the form you need

• If your customer is porting their rate to a new property, complete the mortgage illustration request form.
• For all other applications, complete the mortgage application form.

Gather the supporting documents

• Employed customers: latest 3 months' payslips and latest 3 months' bank statements.
• Self‑employed customers: finalised accounts or tax returns for the last 2 years, plus the latest 3 months' personal and business bank statements.
• If someone's being added to the property title, include ID for the new person.

Once your ready, email the completed form(s) and the supporting documents to brokers@natwestint.com.