Deal No. 6 · Wiesbaden · Couple, around €120k

Ten years on a 77 m² apartment in Wiesbaden, nothing down.

A 77 m² new build in Wiesbaden, bought with no money down: the loan of 578.341 € covers the price and the purchase costs. It qualifies for §7b Sonder-AfA, which runs for four years and then stops. Every year of the projection is below, from the part year in 2026 to the sale in 2036.

Apartment building in Wiesbaden
Representative photo, not the buyer’s apartment.

The deal

What was bought, and on what terms

Wiesbaden, 77 m², built 2026. Bought for 535.500 €, financed 108 % at 4,5 % fixed 10 y, against a 120.000 € income.

Rent 26 € / m²·Repayment 1 %·AfA 5 % degressive·Sonder-AfA §7b 5 %, first 4 years·Appreciation 3 %·Income growth 2 %·Own capital 0 €

The loan covers the purchase price and the purchase costs, so nothing was paid at closing: 6 % transfer tax, 1,5 % notary and land registry, 0,5 % financing costs are all financed. Hessen, joint filing.

Worst month before tax benefits
−692 €
In 2027, narrowing every year as rent rises
After tax benefits, first full year
+681 € / month
The apartment carries itself from year one
Total wealth if sold in 2036
232.285 €
No own capital in: the loan covered the price and the purchase costs

Projection from the assumptions above. Rent is indexed 2 % a year, the household income grows 2 % a year, and the apartment is sold after the 10-year holding period, so the gain is tax-free. The §7b Sonder-AfA runs for the first four years only, which is why the tax benefit drops from about 15.000 € a year to about 6.000 € in 2030, and the month after tax benefits turns slightly negative with it.

The ten years, year by year

Cashflow before tax benefits

per month · rent minus loan and costs

−60.333 €

money inmoney out

Cashflow after tax benefits

per month · including the tax refund

+24.027 €

money inmoney out

Tax impact

per year · income tax saved

+84.360 €

tax refund

2026 is a part year. The purchase closed in May 2026, so those 8 months of ownership carry a full calendar year of tax effect, and the first bar sits far above the years that follow.

The same three charts every client sees for their own property in the Financemate scenario planner.

Your turn

Run the same projection on your income

The calculator below uses its own example apartments from our property partner, with their own rent and financing, so the figures are close to the deal above but not the same deal. Put in your salary and your holding period to see what changes.

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Rent 1.218 € / month · 2026 new-build · 5 % degressive AfA

These are two examples.

A free account runs the same numbers on properties matched to your income and goals.

Find your own property
Rent in
1.218 €/ monthin 2026
Tax back
3.844 €/ yearaverage over 10 years
Wealth up
137.335 €/ 10 yrsif sold in 2036, after loan and costs

Monthly cashflow

Positive from the first year once the tax refund is counted.

After tax benefits, money inmoney outBefore tax benefits
Over the hold10 years15 years20 years
Rent collected164.604 €267.696 €390.060 €
Cashflow before tax benefits-20.776 €-10.374 €+19.300 €
Tax back38.439 €37.916 €24.234 €
Cashflow after tax benefits+17.663 €+27.542 €+43.534 €
Wealth up137.335 €254.849 €398.261 €

Wealth up is what you walk away with after paying off the loan, selling costs and any tax on the sale, minus your own capital. Tax-free after 10 years.

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Past deal No. 6: a 535.500 € apartment on a 120.000 € salary, Wiesbaden | Financemate