Property

Home Equity and Net Sale Equity Calculator

Subtract property-secured debt from your stated value to calculate home equity and then estimated net sale equity. This is not a market valuation or the amount a lender will allow you to borrow.

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How the calculation works

Home equity is the portion of a supplied property value left after secured debt. This tool also deducts estimated sale and settlement costs to distinguish the headline equity from the cash that might remain after a sale scenario.

Equity = supplied property value − secured debt. Net sale equity also subtracts the entered selling and settlement costs.
  1. Subtract secured debt

    Property value less total secured borrowing gives equity before sale costs. The result is allowed to be negative when debt exceeds value.

  2. Express the equity share

    Divide equity by the full property value and multiply by one hundred. This percentage uses value as its denominator, not the original deposit.

  3. Estimate the net sale position

    Subtract the entered sale and settlement costs from equity. The result is a scenario for what remains after those costs, not an available credit limit.

Worked example: Equity net of sale cost

Sample inputs demonstrate the method. They are not a forecast or product offer.

The first example uses a €200,000 value and €150,000 secured debt. Equity is €50,000, which is 25% of value. Deducting €10,000 sale and settlement costs leaves an estimated €40,000 net sale equity.

Property value
200000
Total secured debt
150000
Estimated sale and settlement costs
10000

Expected result

Home equity before sale costs
€50,000.00
Equity share of property value
25%
Estimated net sale equity
€40,000.00
Worked example: Negative equity

Sample inputs demonstrate the method. They are not a forecast or product offer.

Property value
100000
Total secured debt
120000
Estimated sale and settlement costs
0

Expected result

Home equity before sale costs
-€20,000.00
Equity share of property value
-20%

Understanding your result

Positive equity can coexist with a small net sale amount if transaction costs are substantial. Negative equity indicates that the entered value would not clear the included debt even before those costs.

An increase in assumed property value increases equity without itself creating cash. Releasing equity through a sale or borrowing involves separate transactions and conditions.

Questions you might have

Can home equity be negative?

Yes. If secured debt exceeds the entered property value, the difference is shown as negative equity.

Choosing the right inputs

Property value
Enter a positive value for the property at the date or scenario being assessed. The calculator does not fetch an estimate or establish a lender’s valuation.
Total secured debt
Add all relevant outstanding debt secured against this property. Use balances, not monthly payments, and avoid listing the same mortgage twice.
Estimated sale and settlement costs
Supply estimated selling and settlement costs as a monetary amount. The calculator does not calculate fees or taxes from the property value automatically.

Common mistakes to avoid

  • Do not enter home equity in the value field and then deduct the mortgage again.
  • A principal balance and a lender redemption quote may differ; include applicable settlement costs consistently without duplication.

Assumptions to check

  • The property value and costs are entered assumptions; the result is not a lender valuation or available credit.

Sources and method

Read our calculation and testing approach.