Real Estate Investment Calculator for Germany

Does buying a new investment property in Germany make sense? Calculate the return on investment (IRR), and see the difference tax refund can make for residential investment properties in Germany.
Last updated on February 18, 2026

Fill in your details

You want to buy a property with a price of
in 
. The property has a size of
m², and the expected rental income is
/m². Additionally, you anticipate earning
from parking rental income.The property is eligible for
depreciation. Is the property eligible for the additional 5% special depreciation according to §7b EStG (German Income Tax Act)?

Initial Results

Rental yield

3,76 %

Rental income/month

959 €

Price/m²

5.885 €

Securing Your Loan

You would finance
%
of the purchase price with a loan. Your repayment rate is set at
%
, ensuring a structured approach to repaying your mortgage. You are considering a KfW loan of
, with an interest rate of
%
. Meanwhile, your bank is offering an interest rate of
%
on the remaining loan. You anticipate additional costs of
when obtaining the loan. Your KfW loan has a fixed period of
, with a payback period of
and a repayment-free period of
, allowing you financial flexibility in the early years of ownership.

How will your loan and equity cover your purchase?

For your desired property, the costs you have to consider are notary fees of 2 % and property transfer tax of 6,5 %. In total, you will have the purchase fees of 26.960 € for this property. In addition you have a downpayment of 16.000 €, for total up front cost of 42.960 €.

  • Bank loan is 140.000 € with the interest rate of 4,41 %.

  • KfW loan is 150.000 € with the interest rate of 2,44 %.

  • Total loan amount is 290.000 € with the mixed interest rate of 3,39 %.

Your Financial Situation

Your annual gross income is
, and you file taxes as
.

Your estimated marginal tax rate is 47 %. This influences your loan eligibility and tax refund related to property ownership.

Investment Assumptions

You will buy in
month(s) and anticipate the property will be completed in
month(s). You also account for a further rental delay of
month(s) after completion. Over time, you expect the property value to appreciate by
%
per year and rental income to grow at
%
per year.

Advanced Considerations

Have you chosen to apply tax deductions in advance for the same year?
To ensure smooth property management, you account for
in tax-deductible property management fees (SEV und WEG) and
in maintenance reserves, which are not tax-deductible. The land value is estimated at
.

Tax Depreciation and Tax Savings of a Property as % of Initial Building Value

Year

Normal depreciation

Special depreciation

Total depreciation

Average marginal tax rate

Tax savings on depreciation

1

0 €

0 €

0 €

47 %

0 €

2

1.325 €

10.400 €

11.725 €

47 %

5.510 €

3

15.312 €

10.400 €

25.712 €

43,07 %

10.381 €

4

14.026 €

10.400 €

24.426 €

43,26 %

9.905 €

5

12.805 €

10.400 €

23.205 €

43,44 %

9.451 €

6

11.645 €

0 €

11.645 €

47 %

5.473 €

7

11.062 €

0 €

11.062 €

47 %

5.199 €

8

10.509 €

0 €

10.509 €

47 %

4.939 €

9

9.984 €

0 €

9.984 €

47 %

4.692 €

10

9.485 €

0 €

9.485 €

47 %

4.458 €

Projected Overall Financial Outcomes

Since your property qualifies for the Sonder-AfA condition and with your upfront investment of 42.960 €, your projected total gains over various periods are as follows:

Over 10Y

Over 15Y

Over 30Y

Appreciation

105.238 €

170.738 €

436.742 €

Depreciation Tax Savings

60.008 €

79.168 €

130.013 €

Operational profit

-19.060 €

-1.725 €

123.332 €

Total profit

148.426 €

247.864 €

682.514 €

The internal rate of return (IRR) over these timeframes is estimated as:

IRR over 10 years

17,91 %

IRR over 15 years

15,85 %

IRR over 30 years

11,61 %

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Visualizing Your Investment

To help you analyze your financial projections, here are the key insights:

Average monthly cash flow projection in year 1-40 (Cashflow excludes the purchase fees and downpayment)

Your Projected Payment Plan (Average Monthly Cashflow)

Year

Mortgage (out)

Maintenance (out)

Rental income (in)

Tax refund (in)

Monthly cashflow

1

427 €

0 €

0 €

200 €

-226 €

2

715 €

6 €

80 €

806 €

164 €

3

991 €

77 €

988 €

818 €

737 €

4

991 €

80 €

1.017 €

763 €

709 €

5

991 €

82 €

1.048 €

709 €

684 €

6

1.278 €

85 €

1.079 €

353 €

70 €

7

1.278 €

87 €

1.112 €

309 €

56 €

8

1.278 €

90 €

1.145 €

264 €

42 €

9

1.278 €

92 €

1.179 €

221 €

30 €

10

1.278 €

95 €

1.215 €

177 €

19 €

11

1.358 €

98 €

1.251 €

187 €

-19 €

12

1.358 €

101 €

1.289 €

142 €

-28 €

13

1.358 €

104 €

1.327 €

98 €

-37 €

14

1.358 €

107 €

1.367 €

54 €

-45 €

15

1.358 €

110 €

1.408 €

9 €

-51 €

Cumulative net worth over time

By carefully planning your property investment, securing favorable financing, and optimizing tax refund, you are setting yourself up for long-term financial success. This strategic approach ensures that your investment aligns with your financial goals and maximizes your returns over time.

Dr. Chris Mulder

Dr. Chris Mulder

Dr. Chris is a former Senior Economist and Manager at the IMF and The World Bank. He is a Hypofriend Co-founder.

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