Northern Ireland Tax: What's Different and What Isn't

Income Tax in Northern Ireland

Northern Ireland taxpayers use the same income tax rates and bands as England and Wales. The Northern Ireland Assembly (Stormont) has no power to vary income tax rates — this is a reserved matter under the devolution settlement.

This is identical to England and Wales. Northern Ireland does not use the Scottish Rate of Income Tax (SRIT), which has a 6-band structure with rates from 19% (starter) to 48% (top rate). A Northern Ireland nurse earning £48,000 pays standard 20% basic rate tax, while an equivalent Scottish earner pays 42% on income above £43,662.

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National Insurance in Northern Ireland

NI contributions are the same as in England, Scotland, and Wales — set by Westminster:

No devolution applies to National Insurance.

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Property Tax: Domestic Rates (Not Council Tax)

This is the most significant practical difference for Northern Ireland residents. England, Scotland (Council Tax), and Wales (Council Tax) all use a band-based system. Northern Ireland uses domestic rates, structured entirely differently:

How domestic rates work

Every home in Northern Ireland is assigned a Net Annual Value (NAV) — an estimate of the annual rental value at 2005 prices. You pay a rate poundage based on this NAV:

Domestic Rate = NAV × (Regional Rate + District Rate)

Example: A home with NAV of £8,000:

• Regional rate: £8,000 × 0.3267p = £261
• District rate (Belfast example): £8,000 × 0.4045p = £324
• Total annual rate: ~£585

Equivalent Council Tax bills in England for a Band D property would be £1,900–£2,500/year depending on area. Northern Ireland domestic rates are typically significantly lower.

Rate relief schemes (equivalent to Council Tax discounts)

Unlike Council Tax, there is no automatic single-person 25% discount in Northern Ireland. Rate relief is means-tested through the Rate Relief scheme (assessed on income rather than occupancy).

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Stamp Duty Land Tax (SDLT) — Same as England

Northern Ireland uses SDLT — the same property transaction tax as England. It does not have LBTT (Scotland) or LTT (Wales).

First-time buyer relief applies: 0% on first £300,000 (from April 2025 — reverted from temporary £425,000 threshold). Second home surcharge: 5%. Non-UK buyer surcharge: 2%.

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Corporation Tax

This is the most politically charged area of NI taxation. Under the 2015 Stormont House Agreement, Northern Ireland was given the power to set its own Corporation Tax rate — originally intended to create a lower rate to attract foreign direct investment (particularly to help compete with the Republic of Ireland's 12.5% rate).

However, as of 2025/26, this power has not been fully commenced. Northern Ireland companies pay the standard UK Corporation Tax:

• Small profits rate: 19% (up to £50,000 profit)
• Marginal relief: £50,000–£250,000
• Main rate: 25% (over £250,000)

A future NI Assembly decision could theoretically implement a reduced rate, but this remains politically and economically unresolved.

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Capital Gains Tax

CGT is a reserved UK tax — Northern Ireland residents pay the same rates as England and Wales:

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Inheritance Tax

Identical to England, Scotland, and Wales — a reserved UK tax:

• Nil rate band: £325,000
• Residence nil rate band: £175,000 (for main residence passed to direct descendants)
• Standard rate: 40% above threshold
• Charity reduced rate: 36% if 10%+ of net estate to charity

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VAT

VAT is a reserved UK tax. Northern Ireland has a unique post-Brexit arrangement under the Windsor Framework: Northern Ireland remains aligned with EU VAT rules for goods but not services. Standard rate 20%, reduced rate 5%, zero rate applies as in the rest of the UK.

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What the Northern Ireland Assembly Controls (Summary)