TSB Bank plc
TSB Bank's Existing Mortgage Queries department can assist with various mortgage-related tasks. Common reasons for calling include switching mortgage deals, borrowing more on an existing mortgage, and transferring a mortgage to a new property. Customers can also make general mortgage inquiries. While services are available online and by phone, calling during peak hours may result in longer wait times. It's advisable to call early in the day for quicker service. Be prepared with your TSB account details and mortgage reference number for a smoother experience.
Updated 15 Dec 2025
Expected outcomes
- Switch mortgage deal
- Borrow more on mortgage
- Transfer mortgage to new property
- Ask mortgage questions
- Get mortgage support
Call preparation
Assemble everything before you dial. These requirements are verified by our call analysts and updated as organizations change their scripts.
- TSB account details
- Mortgage reference number
- Proof of income
- Details of borrowing purpose
- Details of new property
- Online account login
Known issues
Customers occasionally experience long wait times, especially during peak hours. To minimize waiting, try calling early in the day or outside typical peak times. Some callers report difficulty reaching mortgage specialists, often being routed to general support. If this happens, request to speak directly to a mortgage adviser for more specific assistance. These issues are reported occasionally, so planning your call can help ensure a smoother process.
