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Property capital gains calculator

Estimate capital gains before selling property.

Calculate an initial approximation of capital gain, taxable basis, reinvestment effect and estimated tax.

Informative estimate for property in Portugal. Final tax depends on fiscal status, annual tax return, aggregation and validation of accepted expenses.

Expected sale price or realisation value.

Purchase deed value or relevant tax value in gifts/inheritance.

Use 1 if unknown or if the coefficient for the sale year has not yet been published.

May include IMT, stamp duty, deed, registration and agency fees, where eligible and documented.

Documented improvement costs, generally incurred in the last 12 years.

Relevant for primary-home sales when reinvestment is being considered.

For a primary home, reinvestment may exclude all or part of the gain if legal conditions are met.

Use your likely marginal/effective tax rate. Final tax is only known after assessment.

How to read this

Capital gain is not simply sale minus purchase.

The calculation may consider monetary correction, eligible expenses, works, tax residence and reinvestment.

01

Documented expenses

Not all expenses are accepted. They must be documented and connected to acquisition, improvement or sale.

02

Reinvestment

On a primary-home sale, reinvestment can exclude part or all of the gain if legal deadlines and conditions are met.

03

Final tax

For residents, usually only 50% of the gain is considered, but the tax depends on total household income.

Before selling

Do you want to understand the tax impact before setting price or accepting an offer?

I can help frame net price, costs, timing, sale strategy and next steps.

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