Landlord ordered to repair unsafe terrace and pay tenant rent reduction for habitability defect.

The court ordered the landlord to repair the unsafe terrace and reduced the tenant's rent to €181.39 monthly until repairs were completed. The tenant argued for a lower rent based on property valuation, but the court applied the defect book's 40% reduction rule instead. This approach ensures the landlord has financial incentive to fix the defect while protecting the tenant's right to safe use.