Mietpreisbremse Decision Calculator

Quick Start: Get an instant recommendation

Your Current Situation

Your monthly rent is €.

You moved in on .

You plan to stay another years.

Your Options

The settlement reduces rent to €.

The court could reduce rent to €.

The trial would take approx. months.

Recommendation

Accept the Settlement Offer 🤝

The settlement option saves 1.016 € more over your 5-year timeline. The court option would only become better after 5.6 years, which is longer than you plan to stay.

Ready for a detailed analysis?

Fine-tune your analysis and explore break-even charts,
NPV calculations, overpayments & fees overview, and more

Step 1: Provide context about your situation

Input Parameters

Adjust all parameters to match your specific situation

Your Current Situation

What's your rental situation?

Current Rent

€

Moving-in Date

You've paid 12.0 months of rent so far

Your Options

What are your settlement and court options?

Settlement Rent

€

Expected Court Rent

€

Est. Trial Duration

months

0 months12 months36 months

Analysis Period

years

1 years5 years10 years

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Generate a URL that includes all your current parameters. Anyone with this link can view your exact calculation scenario.

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Step 2: Review the results & decide

Net Present Value (Today's Money)

Value of each option in today's money over your 5 year analysis period

Recommended

Settlement NPV

€31.880

+€796

Court NPV

€31.084

Break-even point: 5.6 years (67 months)

💡 Both options have equal value after 5.6 years

⚠️ Your 5-year analysis period is shorter than break-even

Future Wealth Accumulation

Total accumulated wealth at the end of your 5 year analysis period

Recommended

Settlement Wealth

€40.688

+€1.016

Court Wealth

€39.672

Break-even point: 5.6 years (67 months)

💡 Both options have equal value after 5.6 years

⚠️ Your 5-year analysis period is shorter than break-even

Break-even Sensitivity Analysis

This chart visualises how long you'd need to stay in your apartment for the expected court rent to beat the settlement rent of €900 under different scenarios.

Ranges: Court rent ±€100 (€650-€850), Trial duration ±12 months (1-24 months).

Trial Duration (months)

7.8

8.4

9.2

10.1

11.3

12.8

15.2

18.8

20+

7.4

8.0

8.7

9.6

10.7

12.2

14.3

17.7

20+

7.1

7.6

8.3

9.1

10.1

11.5

13.5

16.5

20+

6.8

7.3

7.8

8.6

9.5

10.8

12.7

15.4

20+

6.3

6.8

7.4

8.1

9.0

10.2

11.8

14.4

18.8

20+

6.0

6.4

7.0

7.6

8.4

9.6

11.1

13.4

17.3

20+

5.7

6.1

6.6

7.2

7.9

9.0

10.4

12.5

16.0

20+

5.3

5.7

6.2

6.8

7.4

8.3

9.7

11.6

14.8

20+

5.0

5.3

5.8

6.3

6.9

7.8

9.0

10.8

13.6

19.0

20+

4.7

5.0

5.3

5.8

6.4

7.3

8.3

9.9

12.4

17.2

20+

4.3

4.6

5.0

5.4

5.9

6.7

7.7

9.1

11.3

15.5

20+

4.0

4.3

4.6

5.0

5.5

6.2

7.0

8.3

10.3

13.9

20+

3.7

3.9

4.2

4.6

5.0

5.6

6.4

7.6

9.3

12.5

19.8

3.3

3.6

3.8

4.2

4.6

5.1

5.8

6.8

8.4

11.2

17.3

3.0

3.3

3.5

3.8

4.1

4.6

5.3

6.2

7.5

9.9

15.0

2.8

2.9

3.1

3.3

3.7

4.1

4.7

5.4

6.7

8.7

12.9

2.4

2.6

2.8

3.0

3.3

3.6

4.1

4.8

5.8

7.5

11.1

2.1

2.3

2.4

2.6

2.8

3.2

3.6

4.2

5.0

6.4

9.3

1.8

1.9

2.0

2.2

2.4

2.7

3.0

3.5

4.3

5.4

7.8

1.5

1.6

1.7

1.8

2.0

2.3

2.5

2.9

3.5

4.4

6.3

1.2

1.3

1.5

1.6

1.8

2.0

2.3

2.8

3.5

4.8

11m

1.0

1.1

1.2

1.3

1.5

1.8

2.0

2.6

3.6

10m

11m

1.0

1.2

1.3

1.7

2.3

10m

1.2

€650

€690

€730

€770

€810

€850

Expected Court Rent

Break-even time:

< 2yr

2-4yr

> 4yr

Cumulative Financial Position

This chart shows the total accumulated wealth over the analysis period for both options.

Rent Overpayment & Fee Breakdown

Compare the overpayment calculations and fee structures between settlement and court scenarios.

Current Rent Payments (Baseline)

Total rent paid to date

€18.000

12.0 months × €1.500

Total deposit paid

€4.500

3 months × €1.500

Combined total payments

€22.500

Rent + deposit

Settlement Scenario

Monthly Overpayment:€600

Total Overpayments:€9.000

Conny Service Fee:€9.000

Your Recovery:€0

Court Scenario

Monthly Overpayment:€750

Total Overpayments:€20.250

Conny Service Fee:€20.250

Your Recovery:€0