Scozz/retirement

Retirement Savings Projection Calculator

An interactive calculator to help visualize retirement savings progression based on house purchase decisions and living expenses.

Features

• —House Purchase Impact: Calculate how buying a new house affects your super balance, including Victorian stamp duty
• —Age Pension Calculator: Automatically calculates Age Pension entitlement based on super balance using the assets test (September 2025 rates)
• —Shows current pension entitlement (annual and fortnightly)
• —Displays eligibility status (full pension, partial pension, or no pension)
• —Visualizes how pension increases as super decreases
• —Investment Returns: Models super balance growth with configurable investment returns
• —Inflation: Accounts for inflation in cost of living over time
• —Interactive Visualizations:
• —Line chart showing super balance projection over 30+ years
• —Dual-axis chart showing super balance vs pension income over time
• —Stacked area chart showing total income breakdown (pension vs super withdrawals)

Configuration Parameters

• —Initial super balance
• —New house price (adjustable slider)
• —Sale proceeds from current house
• —Current and future cost of living (adjustable)
• —Investment return rate
• —Inflation rate
• —Pension indexation rate
• —Projection period

How to Use

1. 1.Adjust the sliders and inputs in the sidebar to match your situation
2. 2.View the projected super balance over time in the chart
3. 3.Check key metrics like stamp duty, house shortfall, and years until super is depleted
4. 4.Review the detailed year-by-year breakdown in the expandable table

Calculations

• —Stamp Duty: Based on Victorian stamp duty rates (2024/2025)
• —Up to $960k: Progressive rates
• —$960k-$2m: 5.5% of entire property value
• —Over $2m: $110,000 + 6.5% of amount over $2m

• —Age Pension: Uses current Age Pension rates (September 2025) and assets test for homeowner couples
• —One-partner eligibility: If only one partner is pension age (67+), they receive half the couple rate
• —Both eligible: Full couple rate of $46,202/year ($1,777/fortnight combined)
• —Pension indexation: Pension amounts increase with inflation over time
• —Full pension when super < $481,500
• —Partial pension: Reduces by $78/year for every $1,000 of super over $481,500
• —No pension when super exceeds $1,074,000
• —Home value is excluded from the assets test

• —Super Projections: Accounts for investment returns, pension income, and cost of living withdrawals
• —Withdrawals are capped at available super balance (cannot withdraw more than you have)

Deployment

This app is built with Streamlit and can be deployed on Hugging Face Spaces.

To run locally:

uv run streamlit run app.py

Note

This calculator provides estimates only and should not be considered financial advice. Please consult with a licensed financial advisor for personalized retirement planning.