Affordability calculator

Remortgage or Additional Borrowing with Debt Consolidation

The calculator may not return an accurate result if your client has multiple credit cards and they’re not all cleared monthly. We recommend that you complete a Decision in Principle (DIP) in NFI Online

Additional borrowing (further advance)

If your client has multiple accounts on different terms, the calculator will not return an accurate result and therefore shouldn't be used. We recommend that you complete a DIP in NFI Online

Like for like remortgage

When applying for a remortgage on a like for like basis, the calculator will return the affordable amount, subject to a maximum of the amount transferred from the existing lender plus £1,000.

For a thorough calculation of how much your client may be able to borrow, fill in the full affordability calculator below.

Alternatively, for straightforward cases you can get a quick indication of how much Nationwide could lend by using the quick quote calculator on

To give your client(s) an estimate of how much their property is worth today, use the house price calculator.

Both calculators are for illustrative purposes and we recommend you complete the full affordability calculator before moving to a Decision in Principle (DIP). The quick quote calculator isn't recommended for self-employed applicants or non-standard transactions.