Stamp Duty Calculator, Northern Ireland (SDLT)
Free UK stamp duty calculator covering Stamp Duty Land Tax (England/NI), Land and Buildings Transaction Tax (Scotland), and Land Transaction Tax (Wales). Includes first-time buyer relief, 3% additional property surcharge, ADS, and HRAD. Instant results for all buyer types.
Calculate Stamp Duty Land Tax (SDLT) for residential property purchases in Northern Ireland. Northern Ireland continues to use SDLT (the same system as England), unlike Scotland and Wales which have devolved their own land taxes. HMRC administers SDLT for Northern Irish purchases.
SDLT rates and thresholds in Northern Ireland are identical to those in England. First-time buyer relief applies on properties up to £625,000. The additional 3% surcharge applies to second homes and buy-to-let purchases.
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General calculator →Frequently Asked Questions, Stamp Duty Calculator in Northern Ireland (SDLT)
Does Northern Ireland use SDLT or its own land tax?↓
Northern Ireland continues to use Stamp Duty Land Tax (SDLT), the same system as England. Unlike Scotland (which uses LBTT) and Wales (which uses LTT), Northern Ireland did not devolve this tax. SDLT is administered by HMRC and the same rates, thresholds, and reliefs apply as in England.
Are SDLT rates the same in Northern Ireland as England?↓
Yes. SDLT rates in Northern Ireland are identical to England: 0% up to £250,000; 5% on £250,001–£925,000; 10% on £925,001–£1.5 million; 12% above £1.5 million. First-time buyer relief (0% up to £425,000 for properties up to £625,000) and the 3% additional property surcharge also apply in the same way.
What is the average house price in Northern Ireland?↓
Northern Ireland has some of the most affordable property in the UK. The average house price is typically in the £175,000–£200,000 range, meaning most buyers pay little or no SDLT. Belfast and commuter areas around it tend to be higher. The first-time buyer nil-rate band of £250,000 covers the majority of Northern Irish property purchases.
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