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Building & Living

KfW Homeownership Assistance for Families

Low-interest KfW loan for the purchase or construction of owner-occupied, climate-friendly housing for families with children (KfW 300).

Wo wohnen Sie?

Damit wir KfW Homeownership Assistance for Families mit dem zuständigen KfW in Ihrer Stadt anzeigen können.

Oder Großstadt wählen:

Sie werden zur geführten Suche weitergeleitet – mit Kontaktdaten, Termin und nächsten Schritten für KfW Homeownership Assistance for Families.

Processing: approx. 2 weeksSuccess rate: 80.0 %
Last reviewed: August 02, 2026

Quick answer

  1. 1

    Documents you need

    Proof of income · Children's birth certificates

  2. 2

    Responsible authority

    The authority of your main residence

  3. 3

    How to do it

    Apply directly online

  4. 4

    Costs

    270.000 € je nach Kinderzahl und Energieeffizienzstandard

Find the responsible authority

How to proceed

  1. 1

    Check eligibility

    Check the income limits and the building's minimum efficiency standard.

  2. 2

    Submit the application through your primary bank

    Apply before the purchase agreement is finalized or construction begins.

  3. 3

    Antrag einreichen

    Persönlich, postalisch oder online beim zuständigen Amt einreichen und Bearbeitungsbestätigung aufbewahren.

Responsible authority

The authority of your main place of residence is responsible.Find authority →

The essentials before applying

Who is eligible?

Families and single parents with at least one child under the age of 18 and a household income below the income threshold.

Income limit

€60,000 plus €10,000 for each additional child in annual household income

Processing time

Nationwide: approx. approx. 2 weeks

Success rate

approx. 80.0 % (estimate)

Most common mistakes

  • Purchase agreement signed before the application was filed (ground for exclusion)
  • Overlooking income limits

Common reasons for rejection

  • Income limit exceeded
  • Not a climate-friendly new building (KFN)

Alternatives

  • Check related services in the application assistant
  • Use social counselling before applying

If rejected

Read the decision carefully: often submitting missing documents or reapplying helps more than an objection.

Related services

Questions & Answers

How much credit can I get?

Up to €270,000, depending on the number of children and the energy efficiency standard.

Freshness & source

Maintenance
Continuously reviewed & updated
Source
BMWSB
Data quality
100 %

Read more

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