Relocating from the United Kingdom to Germany is one of the most common expat moves in Europe — and one of the most complex when it comes to taxes. Whether you're transferring with your employer, starting a new role, or launching a business in Europe's largest economy, understanding moving from United Kingdom to Germany taxes is essential to avoid costly surprises and stay fully compliant in both countries.

Germany's tax system is thorough, progressive, and — for those accustomed to the UK's relatively straightforward PAYE system — potentially overwhelming. In this guide, we break down everything you need to know about expat tax United Kingdom Germany obligations for the 2025/2026 tax year, including income tax rates, residency rules, the UK-Germany double taxation agreement (DTA), and practical relocation tax planning strategies.

Understanding Tax Residency: When Does Germany Start Taxing You?

The single most important concept in expat tax planning is tax residency. Your tax obligations in both the UK and Germany hinge on where you are considered a tax resident.

German Tax Residency Rules

Under German tax law (Einkommensteuergesetz), you become a German tax resident if you:

  • Have a permanent home (Wohnsitz) in Germany, or
  • Are habitually present (gewöhnlicher Aufenthalt) in Germany for more than six consecutive months

Once you are a German tax resident, you are subject to worldwide taxation — meaning Germany taxes your global income, not just what you earn on German soil.

Key point: You can become a German tax resident from the very first day you move into your apartment. There is no grace period. If you register your address (Anmeldung) and establish a home, residency begins immediately.

UK Tax Residency and the Statutory Residence Test

The UK uses the Statutory Residence Test (SRT) to determine tax residency. When you leave the UK, you will typically become a UK non-resident if you:

  • Spend fewer than 16 days in the UK in the tax year (if you were resident in at least one of the three preceding years), or
  • Spend fewer than 46 days in the UK and work full-time overseas

If you do not meet an automatic overseas test, you may need to consider the sufficient ties test, which looks at factors like family, accommodation, work, and time spent in the UK.

Common mistake: Many expats assume that simply leaving the UK automatically ends their UK tax residency. This is not the case. If you maintain a home in the UK, keep visiting regularly, or have close family ties, HMRC may still consider you UK-resident for part or all of the tax year.

Split-Year Treatment

If you leave the UK partway through a tax year (the UK tax year runs from 6 April to 5 April), you may qualify for split-year treatment. This means you are treated as:

  • UK resident for the portion of the year before your departure
  • UK non-resident for the remainder

Split-year treatment can significantly reduce your UK tax liability in the year of your move.

German Income Tax Rates for 2025/2026

Germany operates a progressive income tax system with rates that increase as your income rises. For the 2025/2026 tax year, the key income tax brackets and rates for individuals are:

Taxable Income (EUR) Tax Rate
Up to €12,084 0% (tax-free allowance)
€12,085 – €68,430 14% – 42% (progressive scale)
€68,431 – €277,825 42%
Over €277,825 45% (Reichensteuer — "rich tax")

Important: Unlike the UK's banded system where each pound above a threshold is taxed at the next rate, Germany uses a mathematical formula that creates a smooth, continuously rising rate between 14% and 42%. This means your effective tax rate increases gradually.

Solidarity Surcharge (Solidaritätszuschlag)

In addition to income tax, a solidarity surcharge of 5.5% is levied on your income tax liability — but only if your income tax exceeds approximately €18,130 for single filers (2025 thresholds). Most average earners are now exempt or pay a reduced amount following reforms in recent years.

Church Tax (Kirchensteuer)

If you are a registered member of a recognised church in Germany (Catholic, Protestant, or certain others), you will pay church tax of 8% or 9% of your income tax, depending on the federal state. This is automatically deducted from your salary. You can avoid this by formally deregistering from the church, though this requires an official process.

Practical Example

Let's say you earn a gross salary of €70,000 per year in Germany as a single filer with no church membership:

  • Basic tax-free allowance: €12,084
  • Approximate income tax: ~€17,500
  • Solidarity surcharge (if applicable): ~€960
  • Total approximate tax burden: ~€18,460
  • Effective tax rate: ~26.4%

Use our Germany Income Tax Calculator to get a personalised estimate based on your specific salary, filing status, and deductions.

For comparison, you can also check what your UK tax liability would have been using our United Kingdom Income Tax Calculator.

UK Tax Obligations After You Leave

Leaving the UK does not necessarily mean your UK tax obligations end immediately. Here is what you need to consider:

Income Sourced in the UK

Even after becoming a UK non-resident, you may still owe UK tax on:

  • UK rental income from property you own in the UK
  • UK employment income for work performed in the UK
  • UK pension income (state pension and private pensions)
  • Capital gains on UK residential property (even non-residents are subject to CGT on UK property disposals)

The Non-Resident Landlord Scheme

If you keep a buy-to-let property in the UK, your letting agent or tenant is normally required to withhold basic rate tax (20%) under the Non-Resident Landlord Scheme unless you apply to HMRC to receive rent gross. You will then report this income on your UK self-assessment return.

UK State Pension

Your UK state pension can continue to be paid to you in Germany. Under current rules, the UK state pension is generally taxable in your country of residence — meaning Germany — under the UK-Germany double taxation agreement.

Final UK Tax Return

You should file a self-assessment tax return for the tax year in which you leave the UK, reporting your income and claiming split-year treatment if applicable. Notify HMRC of your departure using form P85.

The UK-Germany Double Taxation Agreement (DTA)

One of the most critical elements of expat tax United Kingdom Germany planning is the double taxation agreement between the two countries. The UK and Germany have a comprehensive DTA (most recently updated and in force) designed to prevent you from being taxed on the same income by both countries.

How the DTA Works

The DTA assigns taxing rights to one or both countries depending on the type of income:

Income Type Primary Taxing Right
Employment income Country where work is performed
Self-employment income Country of residence (generally)
Pension income (private) Country of residence
Government pension Country of the paying government
Rental income Country where the property is located
Dividends Both (with reduced withholding rates)
Interest Country of residence (generally)
Capital gains (property) Country where the property is located

Relief Methods

Germany primarily uses the exemption with progression method to avoid double taxation. This means:

  1. Income that is taxable only in the UK under the DTA is exempt from German tax
  2. However, that exempt income is still taken into account when determining the tax rate applied to your other German-taxable income

This can push your effective German tax rate higher, even though the exempt income itself is not taxed.

Practical Example: Dual-Year Income

Imagine you work in the UK from April to August 2025 (earning £25,000) and then move to Germany, where you earn €35,000 from September to December. Under the DTA:

  • Your UK employment income is taxable in the UK (where the work was performed)
  • Your German employment income is taxable in Germany
  • Germany will exempt the UK income but may use it to calculate your German tax rate (exemption with progression)
  • You may claim a foreign tax credit or exemption in the UK depending on the specific circumstances

Key Relocation Tax Planning Strategies

Effective relocation tax planning can save you thousands. Here are the most impactful strategies for UK-to-Germany movers:

1. Time Your Move Carefully

  • The UK tax year runs 6 April – 5 April; Germany's runs 1 January – 31 December
  • Moving early in the UK tax year (e.g., April or May) maximises the period of UK non-residence and can simplify split-year treatment
  • Consider capital gains timing — realise UK gains before establishing German residency to avoid German worldwide taxation on those gains

2. Address UK Property and Ties

  • Sell or rent out your UK home before departure to strengthen your case for non-residence
  • If you keep UK property, register with the Non-Resident Landlord Scheme
  • Be mindful of the SRT ties — maintaining too many connections to the UK can keep you UK-resident

3. Maximise German Deductions

Germany offers generous deductions that can significantly reduce your taxable income:

  • Werbungskosten (work-related expenses): Flat allowance of €1,230 or actual costs (commuting, work equipment, professional training)
  • Sonderausgaben (special expenses): Insurance premiums, charitable donations, church tax
  • Relocation costs (Umzugskostenpauschale): If your move is work-related, you can deduct a flat-rate relocation allowance or actual documented costs
  • Double household deduction (doppelte Haushaltsführung): If you maintain a second household for work reasons, costs like rent (up to €1,000/month), travel home, and meals may be deductible

4. Pension Planning

  • UK pensions: Consider whether to transfer your UK workplace pension to a German scheme or a Qualifying Recognised Overseas Pension Scheme (QROPS). There are significant tax implications — and potential charges — either way
  • German state pension: You will start contributing to Germany's statutory pension system (Rentenversicherung) from your first paycheck. Contributions are shared 50/50 with your employer at a combined rate of approximately 18.6% of gross salary
  • Social security agreement: The UK and Germany have a bilateral social security agreement (and EU coordination rules may still apply post-Brexit for certain situations) that can help aggregate your contribution periods for pension eligibility

5. Understand Social Security Contributions

German social security contributions are substantially higher than UK National Insurance contributions. As an employee in Germany, expect the following approximate deductions from your gross salary (2025 rates, employee share):

  • Health insurance (Krankenversicherung): ~7.3% + supplementary contribution (~0.9%)
  • Pension insurance (Rentenversicherung): ~9.3%
  • Unemployment insurance (Arbeitslosenversicherung): ~1.3%
  • Long-term care insurance (Pflegeversicherung): ~1.7% (higher if childless and over 23)

Total employee social security: approximately 20–21% of gross salary (up to contribution ceilings)

This is significantly higher than UK employee NICs (currently 8% on earnings between £12,570 and £50,270 in 2025/2026). Factor this into your net pay calculations.

Filing Requirements and Key Deadlines

Understanding filing obligations is essential to avoiding penalties in both countries.

Germany

  • The German tax year is the calendar year (1 January – 31 December)
  • If you are an employee with no other income, your employer handles tax withholding through the Lohnsteuer system, and you may not be required to file a return
  • However, you are obligated to file if you have foreign income, income from multiple employers, freelance income, or received split-year income
  • Filing deadline: 31 July of the following year (e.g., 31 July 2027 for the 2026 tax year). If using a tax advisor (Steuerberater), the deadline extends to the end of February of the second following year
  • Returns are filed with the local Finanzamt (tax office) — increasingly done online via the ELSTER portal

United Kingdom

  • File your final UK self-assessment return by 31 January following the end of the tax year in which you depart (e.g., by 31 January 2027 for the 2025/2026 tax year)
  • Submit form P85 to HMRC to notify them of your departure
  • If you continue to receive UK-source income (e.g., rental income), you may need to continue filing UK returns annually

Frequently Asked Questions

Will I be taxed twice on the same income?

Generally, no. The UK-Germany double taxation agreement ensures that income is not taxed in full by both countries. However, you may face partial double exposure due to the exemption with progression method or differing definitions of taxable income. Always claim treaty relief on your tax returns.

Do I need to hire a German tax advisor?

While not legally required, it is strongly recommended, especially in your first year. A German Steuerberater can help you navigate deductions, claim relocation expenses, apply the DTA correctly, and file through the ELSTER system. The cost of a tax advisor is itself tax-deductible.

What happens to my UK ISA?

UK ISAs remain tax-free in the UK even after you leave. However, as a German tax resident, the growth and income within your ISA may be taxable in Germany, since Germany does not recognise the ISA tax wrapper. This is a commonly overlooked issue that can result in unexpected German tax bills.

Can I still contribute to my UK pension?

You can generally maintain your existing UK pension, but contributions may no longer receive UK tax relief once you are a non-resident. Employer contributions to a UK workplace pension may still be possible if you remain employed by a UK company. Seek specialist advice on cross-border pension planning.

How does Brexit affect my move?

Brexit has ended automatic freedom of movement. You will need a valid visa or residence permit to live and work in Germany. However, the UK-Germany DTA and bilateral social security agreements remain in force, so the core tax planning framework is largely unchanged.

Conclusion: Your Relocation Tax Planning Checklist

Relocating from the United Kingdom to Germany involves navigating two complex tax systems simultaneously. Here is a summary checklist to keep your move on track:

  1. Determine your tax residency status in both countries for the year of your move
  2. Apply for split-year treatment in the UK if you leave partway through the tax year
  3. Register your address (Anmeldung) in Germany promptly — it is a legal requirement
  4. Obtain a German tax ID (Steueridentifikationsnummer) — your employer will need it
  5. Understand the DTA and claim relief to avoid double taxation
  6. Maximise German deductions — relocation costs, work expenses, and double household costs
  7. Review your UK assets — ISAs, pensions, property, and investments — for German tax implications
  8. Budget for higher social security contributions in Germany
  9. File your final UK tax return and P85 departure notification
  10. Engage a qualified tax advisor in both countries, ideally one experienced in UK-Germany expat tax matters

Use our Germany Income Tax Calculator to estimate your German tax liability and our United Kingdom Income Tax Calculator to review your final UK tax position.

With careful planning, you can make your transition from the UK to Germany as tax-efficient as possible — and focus on enjoying your new life abroad.

This article is for informational purposes only and does not constitute tax advice. Tax laws change frequently; consult a qualified tax professional for advice specific to your situation.