Tax Planning
Navigating the New UK Tax Landscape: Key Changes for 2025
An in-depth look at the recent UK tax reforms and how they impact individuals and businesses.
By NomadicTax Research Team • 6 min read • November 13, 2025
## Introduction
The UK government has introduced several significant tax reforms in 2025 aimed at simplifying the tax system and promoting economic growth. Understanding these changes is crucial for both individuals and businesses to ensure compliance and optimize tax planning strategies.
## Key Tax Reforms in 2025
### 1. Increase in Income Tax Self-Assessment Threshold
**What's Changed:**
- The Income Tax Self-Assessment (ITSA) reporting threshold for trading income has increased from £1,000 to £3,000 gross.
**Implications:**
- Approximately 300,000 taxpayers, including those with side incomes from activities like online selling or freelance work, will no longer need to file a tax return.
- An estimated 90,000 of these individuals will have no tax liability and no reporting obligations to HMRC.
**Actionable Advice:**
- Review your trading income to determine if you fall below the new threshold.
- If your income is below £3,000, you may no longer need to file a Self-Assessment tax return, simplifying your tax obligations.
### 2. Changes to National Insurance Contributions (NICs)
**What's Changed:**
- The rate of employer National Insurance has increased by 1.2 percentage points to 15% from 6 April 2025.
- The Secondary Threshold for employer NICs has decreased from £9,100 to £5,000 per year.
- The Employment Allowance has increased to £10,500 and is now available to all eligible employers by removing the £100,000 cap.
**Implications:**
- Employers will face higher NICs costs, especially for employees earning above the new Secondary Threshold.
- Small businesses can benefit from the increased Employment Allowance, potentially offsetting the higher NICs rates.
**Actionable Advice:**
- Assess your payroll to understand the impact of the increased NICs rates.
- Ensure you claim the enhanced Employment Allowance to reduce your NICs liability.
### 3. Reforms to Capital Gains Tax (CGT)
**What's Changed:**
- CGT rates have increased from 10% to 18% for lower-rate taxpayers and from 20% to 24% for higher-rate taxpayers.
- Business Asset Disposal Relief (BADR) remains at 10% for this year but will rise to 14% on 6 April 2025 and 18% from 6 April 2026.
**Implications:**
- Individuals and businesses disposing of assets will face higher tax liabilities.
- Entrepreneurs planning to sell business assets should consider the timing of disposals to benefit from current BADR rates.
**Actionable Advice:**
- Evaluate your investment portfolio and consider accelerating disposals to benefit from current CGT rates.
- Consult with a tax advisor to plan asset disposals strategically, especially concerning BADR.
## Conclusion
Staying informed about these tax reforms is essential for effective financial planning. Regularly reviewing your tax position and seeking professional advice can help you navigate these changes and optimize your tax obligations.
**Sources:**
- [Boost for side-hustlers as 300,000 people to be taken out of tax returns, government announces](https://www.gov.uk/government/news/boost-for-side-hustlers-as-300000-people-to-be-taken-out-of-tax-returns-government-announces)
- [Chancellor chooses a Budget to rebuild Britain](https://www.gov.uk/government/news/chancellor-chooses-a-budget-to-rebuild-britain)