Tools and calculators
Affordability calculator
This calculator will give you a broad indication of the amount we are able to lend.
Universal Credit calculator
This calculator will give you the Universal Credit figures to key into the affordability calculator & Mortgage Pro.
Additional Borrowing calculator
This calculator will give you a broad indication of the amount we are able to lend.
Buy-to-let calculator
This calculator will give you a broad indication of the amount we are able to lend for buy-to-let.
Mortgage account lookup tool
Use the search facility to find an applicant’s 14-digit mortgage account number.
Repayment calculator
Work out how much the monthly payments could be on a repayment or interest only basis.
Portfolio Buy-to-Let checker tool
Use this tool to check if the application fits criteria
Unacceptable development site tool
Use the search facility to identify any new build sites or properties that are not acceptable to TSB for new applications.