Guernsey Tax Calculator (2026)

Income tax rates and take-home pay for Guernsey

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Guernsey Income Tax Brackets (2025)

Bracket Income Range Rate
Income tax at 20%£0+20.0%

Personal allowance: £14,600 (tapers above £82,500)

Employee social security contribution

Bracket Income Range Rate
Employee social security at 7.4% (up to GBP 15,717 per month)£0 - £188,6047.4%

Capped at £188,604 per year

Key Facts

Tax Year

2025

Currency

GBP

Top Rate

20.0%

Brackets

1 bracket

Allowance

£14,600

Social Contributions

1 item

Assumptions

  • · Model assumes 'principally resident' individual liable on worldwide income.
  • · Single person with no dependents; personal allowance of GBP 14,600 for 2025.
  • · Allowance withdrawal at GBP 1 for every GBP 5 earned above GBP 82,500 is modeled as an income-based credit.
  • · Mortgage interest relief (GBP 3,500 cap for 2025) not included; assumes representative employee without qualifying mortgage.
  • · Pension contributions up to GBP 35,000 for contributions above GBP 2,500 are deductible but not modeled for a salary-comparison default.
  • · Rent-a-room relief not applicable to standard employment income.
  • · No income tax cap applied (GBP 160,000 election requires election; not default).
  • · Flat rate tax of 20% applies to net income after allowances and deductions.
  • · Social security contributions calculated on gross earnings up to monthly limit of GBP 15,717 (GBP 188,604 annualized).
  • · No VAT, wealth tax, or inheritance tax in Guernsey.
  • · Employer social security contributions excluded as per schema guidance.

Frequently asked questions

What is the income tax rate in Guernsey?

Guernsey has a flat income tax rate of 20% that applies to all net income after your personal allowance is deducted. This means there is only one tax bracket regardless of how much you earn, making the system relatively straightforward for residents and expats.

How much is the personal allowance in Guernsey?

The personal allowance in Guernsey is GBP 14,600, which means you don't pay income tax on the first GBP 14,600 of your income. If you earn more than GBP 82,500, your allowance begins to reduce by GBP 1 for every GBP 5 earned above that threshold.

Do I pay social security contributions in Guernsey?

Yes, if you're employed in Guernsey, you pay employee social security contributions at a rate of 7.4% on your gross earnings. These contributions apply up to a monthly limit of GBP 15,717, which means the maximum annual contribution is capped at GBP 188,604.

Is there VAT or inheritance tax in Guernsey?

No, Guernsey does not have VAT, wealth tax, or inheritance tax. This makes it an attractive jurisdiction for high earners and those with significant assets, though you will still pay income tax and social security contributions on employment income.

What happens if I have a mortgage in Guernsey?

Guernsey offers mortgage interest relief, but it is capped at GBP 3,500 for the tax year. This relief is not included in the standard calculator, so you may want to factor it in separately if you have a qualifying mortgage on your primary residence.

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