Economics: Autumn Budget 2025 Simulator

Step into the Chancellor’s shoes.
This interactive HTML-based simulator lets you take on the role of Rachel Reeves as she prepares the Autumn Budget 2025, facing a fiscal, political, and economic balancing act like no other.

Features

Realistic economic modelling: Based on UK fiscal forecasts and constraints as of August 2025.

Adjust tax and spending levers: Modify income tax thresholds, capital gains, pensions, NHS funding, infrastructure investment, and more.

Manifesto rule checks: See if your decisions comply with Labour’s 2024 commitments.

Live results dashboard: Track your fiscal gap, debt-to-GDP ratio, political capital, and GDP growth as you go.

Detailed analysis: Review narrative feedback based on your decisions—stealth tax impact, capital flight risk, political sustainability, and more.

Your Challenge

You must:

Close a projected £51 billion fiscal gap

Ensure debt is falling as a % of GDP by 2029–30

Avoid raising income tax, VAT or national insurance for working people

Maintain political support and promote economic growth

Can you balance the books without breaking the rules?