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The Simple Guide to UK Stamp Duty: How to Calculate What You'll Pay

The Simple Guide to UK Stamp Duty: How to Calculate What You'll Pay

The Simple Guide to UK Stamp Duty: How to Calculate What You'll Pay

Table of Contents

What Is Stamp Duty and Why Does It Exist?

The Three Different Systems in the UK

How Much Will You Pay? The Key Concept: Bands

Who Pays Different Amounts? Buyer Categories

The Regional Differences Explained

Important Special Rules

Accuracy Check: Common Mistakes in Online Calculators

How to Use the Calculator

Worked Examples for Investors

Payment Timelinee

The Bottom Line

Buying a property in the UK? There's one cost that regularly surprises buyers: stamp duty. This is a tax you pay when you purchase property, and the amount varies significantly depending on where you buy, what you're buying, and whether you already own property. This guide explains how it all works, with the correct 2026 rates and accurate worked examples.

Simple guide to UK stamp duty 2026 - how to calculate what you'll pay

What Is Stamp Duty and Why Does It Exist?

What Is Stamp Duty and Why Does It Exist?

Stamp duty is a tax the government charges whenever you buy property or land in the UK. Think of it like a purchase tax, similar to VAT on other goods but specifically for property.

The name comes from the old days when legal documents were physically stamped to show the tax had been paid. Today it's all digital, but the name stuck.

The important thing to know upfront: stamp duty is not the same everywhere in the UK. Depending on whether you're buying in England, Wales or Scotland, you'll pay different rates under entirely different systems. Your buyer type also matters, investors buying additional properties pay significantly more than someone buying their first home.

The Three Different Systems in the UK

The Three Different Systems in the UK

England and Northern Ireland: SDLT

SDLT stands for Stamp Duty Land Tax. This is the most common system and applies to the majority of UK property purchases.

Wales: LTT

Wales uses Land Transaction Tax (LTT). It works on similar principles to SDLT but with different thresholds. Wales has controlled its own property tax since 2018.

Scotland: LBTT

Scotland uses Land and Buildings Transaction Tax (LBTT). Same concept, different rates and bands.

Why the difference? The UK has devolved governments. Different parts of the country can set their own tax rules. Treat each as a separate property tax system.

England and Northern Ireland: SDLT

SDLT stands for Stamp Duty Land Tax. This is the most common system and applies to the majority of UK property purchases.

Wales: LTT

Wales uses Land Transaction Tax (LTT). It works on similar principles to SDLT but with different thresholds. Wales has controlled its own property tax since 2018.

Scotland: LBTT

Scotland uses Land and Buildings Transaction Tax (LBTT). Same concept, different rates and bands.

Why the difference? The UK has devolved governments. Different parts of the country can set their own tax rules. Treat each as a separate property tax system.

How Much Will You Pay? The Key Concept: Bands

How Much Will You Pay? The Key Concept: Bands

The most important thing to understand about stamp duty is this: you do not pay one rate on your entire purchase price. The price is split into bands and each band has its own rate.

This is exactly how income tax works. If you earn £60,000, you don't pay 40% on all of it. You pay 20% on the portion above the personal allowance and up to £50,270, and 40% on anything above that. Stamp duty works the same way.

Current SDLT Rates in England (from April 2025)

These are the rates that apply from 1 April 2025, after the temporary holiday thresholds expired:

Property Portion (Main Residence, England)

SDLT Rate

Up to £125,000

0%

£125,001 to £250,000

2%

£250,001 to £925,000

5%

£925,001 to £1,500,000

10%

Above £1,500,000

12%

Worked Example: Buying a £400,000 House in England (Main Residence)

  1. First £125,000: 0% = £0

  2. Next £125,000 (£125,001 to £250,000): 2% = £2,500

  3. Remaining £150,000 (£250,001 to £400,000): 5% = £7,500

Total stamp duty: £10,000

This is why it's called a progressive tax. You pay different rates on different slices, not the same rate on the whole amount.

The most important thing to understand about stamp duty is this: you do not pay one rate on your entire purchase price. The price is split into bands and each band has its own rate.

This is exactly how income tax works. If you earn £60,000, you don't pay 40% on all of it. You pay 20% on the portion above the personal allowance and up to £50,270, and 40% on anything above that. Stamp duty works the same way.

Current SDLT Rates in England (from April 2025)

These are the rates that apply from 1 April 2025, after the temporary holiday thresholds expired:

Property Portion (Main Residence, England)

SDLT Rate

Up to £125,000

0%

£125,001 to £250,000

2%

£250,001 to £925,000

5%

£925,001 to £1,500,000

10%

Above £1,500,000

12%

Worked Example: Buying a £400,000 House in England (Main Residence)

  1. First £125,000: 0% = £0

  2. Next £125,000 (£125,001 to £250,000): 2% = £2,500

  3. Remaining £150,000 (£250,001 to £400,000): 5% = £7,500

Total stamp duty: £10,000

This is why it's called a progressive tax. You pay different rates on different slices, not the same rate on the whole amount.

Who Pays Different Amounts? Buyer Categories

Who Pays Different Amounts? Buyer Categories

Your status as a buyer changes your rate, sometimes dramatically.

Main Residence (Your First or Only Home)

Standard rates as shown in the table above apply. This is the baseline for most buyers.

First-Time Buyer

If you've never owned residential property before, you qualify for first-time buyer relief in England and Scotland.

In England (from April 2025):

  • 0% on the first £300,000

  • 5% on the portion from £300,001 to £500,000

  • If the purchase price is over £500,000, first-time buyer relief does not apply and standard rates kick in for the whole amount

In Scotland: First-time buyers get a nil-rate band up to £175,000 instead of the standard £145,000.

In Wales: No first-time buyer relief. All buyers pay the same LTT rates.

Additional Property or Buy-to-Let

This is where it gets significantly more expensive for investors.

If you already own any residential property worth £40,000 or more anywhere in the world, your next purchase triggers the additional property surcharge. This applies to buy-to-let landlords, anyone buying a second home, and anyone with overseas property who is buying in the UK.

The additional property surcharge is 5% of the full purchase price, added on top of all standard SDLT rates. This surcharge was raised from 3% to 5% in October 2024.

The practical result: investors pay substantially higher rates than main residence buyers at every band.

Property Portion (Additional Property, England)

Rate

Up to £125,000

5% (0% standard + 5% surcharge)

£125,001 to £250,000

7% (2% standard + 5% surcharge)

£250,001 to £925,000

10% (5% standard + 5% surcharge)

£925,001 to £1,500,000

15% (10% standard + 5% surcharge)

Above £1,500,000

17% (12% standard + 5% surcharge)

Non-UK Residents

If you spend fewer than 183 days in the UK in the 12 months before your purchase, a 2% non-UK resident surcharge applies on top of your other applicable SDLT rates in England.

Note: Wales and Scotland do not apply a non-UK resident surcharge. Buyers in those countries pay the same rates regardless of residency.

Your status as a buyer changes your rate, sometimes dramatically.

Main Residence (Your First or Only Home)

Standard rates as shown in the table above apply. This is the baseline for most buyers.

First-Time Buyer

If you've never owned residential property before, you qualify for first-time buyer relief in England and Scotland.

In England (from April 2025):

  • 0% on the first £300,000

  • 5% on the portion from £300,001 to £500,000

  • If the purchase price is over £500,000, first-time buyer relief does not apply and standard rates kick in for the whole amount

In Scotland: First-time buyers get a nil-rate band up to £175,000 instead of the standard £145,000.

In Wales: No first-time buyer relief. All buyers pay the same LTT rates.

Additional Property or Buy-to-Let

This is where it gets significantly more expensive for investors.

If you already own any residential property worth £40,000 or more anywhere in the world, your next purchase triggers the additional property surcharge. This applies to buy-to-let landlords, anyone buying a second home, and anyone with overseas property who is buying in the UK.

The additional property surcharge is 5% of the full purchase price, added on top of all standard SDLT rates. This surcharge was raised from 3% to 5% in October 2024.

The practical result: investors pay substantially higher rates than main residence buyers at every band.

Property Portion (Additional Property, England)

Rate

Up to £125,000

5% (0% standard + 5% surcharge)

£125,001 to £250,000

7% (2% standard + 5% surcharge)

£250,001 to £925,000

10% (5% standard + 5% surcharge)

£925,001 to £1,500,000

15% (10% standard + 5% surcharge)

Above £1,500,000

17% (12% standard + 5% surcharge)

Non-UK Residents

If you spend fewer than 183 days in the UK in the 12 months before your purchase, a 2% non-UK resident surcharge applies on top of your other applicable SDLT rates in England.

Note: Wales and Scotland do not apply a non-UK resident surcharge. Buyers in those countries pay the same rates regardless of residency.

The Regional Differences Explained

The Regional Differences Explained

England vs Wales vs Scotland: Which Is Cheapest?

The answer depends on your price point and buyer type.

Lower prices (under £225,000): Wales can be cheaper because LTT has a higher nil-rate threshold (£225,000 vs England's £125,000). A £200,000 main residence purchase in Wales costs £0 in LTT. The same purchase in England costs £1,500 in SDLT.

First-time buyers: England has the most generous relief (0% up to £300,000 for purchases up to £500,000).

Additional properties: Scotland's ADS (Additional Dwelling Supplement) is 8%, higher than England's 5%. Combined with base LBTT rates, Scottish investors pay some of the highest additional property rates in the UK.

Non-UK residents: England applies a 2% surcharge on top of all other rates. Wales and Scotland do not.

England vs Wales vs Scotland: Which Is Cheapest?

The answer depends on your price point and buyer type.

Lower prices (under £225,000): Wales can be cheaper because LTT has a higher nil-rate threshold (£225,000 vs England's £125,000). A £200,000 main residence purchase in Wales costs £0 in LTT. The same purchase in England costs £1,500 in SDLT.

First-time buyers: England has the most generous relief (0% up to £300,000 for purchases up to £500,000).

Additional properties: Scotland's ADS (Additional Dwelling Supplement) is 8%, higher than England's 5%. Combined with base LBTT rates, Scottish investors pay some of the highest additional property rates in the UK.

Non-UK residents: England applies a 2% surcharge on top of all other rates. Wales and Scotland do not.

Important Special Rules

Important Special Rules

The £40,000 Threshold

The additional property surcharge only applies when the property being purchased is worth £40,000 or more. Properties under £40,000 are completely exempt from stamp duty regardless of how many properties you own.

This is an eligibility threshold, not a rate band. It means: if the property is worth £39,999, no stamp duty applies at all. If it is worth £40,000, the full additional property rates apply from the first pound of the purchase price.

There is no "0% band up to £40,000" within the additional property rate structure. Once you cross the £40,000 threshold, the rates apply from £0 to the full purchase price.

Scotland's Additional Dwelling Supplement (ADS)

Scotland's additional property surcharge is called the Additional Dwelling Supplement. Since April 2024, the ADS rate is 8% of the full purchase price (raised from 6%). This is added on top of standard LBTT rates.

Replacing Your Main Residence

If you are selling your current main home and buying a new one on the same day, you pay standard rates (no additional property surcharge), even if you owned both properties briefly during the transition.

If your sale completes after your purchase, you will initially pay the higher rates. You can then apply for a refund once your old home sells, provided it sells within 36 months of your new purchase.

The £40,000 Threshold

The additional property surcharge only applies when the property being purchased is worth £40,000 or more. Properties under £40,000 are completely exempt from stamp duty regardless of how many properties you own.

This is an eligibility threshold, not a rate band. It means: if the property is worth £39,999, no stamp duty applies at all. If it is worth £40,000, the full additional property rates apply from the first pound of the purchase price.

There is no "0% band up to £40,000" within the additional property rate structure. Once you cross the £40,000 threshold, the rates apply from £0 to the full purchase price.

Scotland's Additional Dwelling Supplement (ADS)

Scotland's additional property surcharge is called the Additional Dwelling Supplement. Since April 2024, the ADS rate is 8% of the full purchase price (raised from 6%). This is added on top of standard LBTT rates.

Replacing Your Main Residence

If you are selling your current main home and buying a new one on the same day, you pay standard rates (no additional property surcharge), even if you owned both properties briefly during the transition.

If your sale completes after your purchase, you will initially pay the higher rates. You can then apply for a refund once your old home sells, provided it sells within 36 months of your new purchase.

Accuracy Check: Common Mistakes in Online Calculators

Accuracy Check: Common Mistakes in Online Calculators

A few things to watch for when using stamp duty calculators:

The surcharge rate. Some older pages still show the additional property surcharge as 3%. It increased to 5% in October 2024. If a calculator quotes you 3% for a BTL purchase, the figure is out of date.

First-time buyer thresholds. The thresholds changed on 1 April 2025. Before that date, first-time buyers in England paid 0% up to £425,000 (for purchases up to £625,000). From April 2025, the thresholds reverted to 0% up to £300,000 (for purchases up to £500,000). If a calculator is showing the pre-April 2025 figures, the result will be too optimistic for first-time buyers on properties between £300,000 and £425,000.

The nil-rate band for standard buyers. The nil-rate threshold for standard buyers in England also reverted on 1 April 2025 from £250,000 back to £125,000. Calculators not updated for this will understate your SDLT on properties above £125,000.

How to Use the Calculator

How to Use the Calculator

Property Filter's free stamp duty calculator handles all three UK systems and all buyer types.

  1. Enter your purchase price. Just the property cost.

  2. Pick your location. England, Wales or Scotland.

  3. Choose your buyer type. First-time buyer, main residence or additional property/BTL.

  4. Read your results instantly. Total stamp duty, effective rate, and a band-by-band breakdown.

The calculator uses the rates confirmed above. No signup required.

Worked Examples for Investors

Worked Examples for Investors

Example 1: First-Time Buyer, £350,000, England

Using first-time buyer rates:

  • £0 to £300,000: 0% = £0

  • £300,001 to £350,000: 5% = £2,500

  • Total: £2,500

A main residence buyer at the same price would pay: £0 (on £125k) + £2,500 (on next £125k) + £5,000 (on final £100k) = £7,500. The first-time buyer saves £5,000.

Example 2: Buy-to-Let Purchase, £300,000, England

Additional property rates apply (5% surcharge on top of standard rates):

  • £0 to £125,000: 5% = £6,250

  • £125,001 to £250,000: 7% = £8,750

  • £250,001 to £300,000: 10% = £5,000

  • Total: £20,000

That's 6.7% of the purchase price, compared to £2,500 (0.8%) for a main residence buyer at the same price. This is why stamp duty is a critical input in any BTL deal analysis. Factor it in before you make an offer.

Example 3: Non-UK Resident Buying a Main Home, £500,000, England

Scenario A: First UK property (no overseas property owned) The 2% non-UK surcharge applies on top of standard rates:

  • £0 to £125,000: 2% = £2,500

  • £125,001 to £250,000: 4% = £5,000

  • £250,001 to £500,000: 7% = £17,500

  • Total: £25,000

Scenario B: Non-UK resident who also owns property abroad Both the 5% additional property surcharge and the 2% non-UK surcharge apply on top of standard rates (7% total surcharge):

  • £0 to £125,000: 7% = £8,750

  • £125,001 to £250,000: 9% = £11,250

  • £250,001 to £500,000: 12% = £30,000

  • Total: £50,000

The difference is significant. A non-UK resident who owns property abroad pays £25,000 more in stamp duty than one who does not. If you are buying in England as a non-UK resident, confirm whether your overseas property triggers the additional dwelling surcharge before budgeting.

Example 4: Buy-to-Let Purchase, £300,000, Wales

Wales uses LTT with different rates. Additional properties in Wales also attract a surcharge:

  • £0 to £225,000: 4% (LTT additional rate) = £9,000

  • £225,001 to £300,000: 10% = £7,500

  • Total: £16,500

(LTT additional property rates include a surcharge on top of standard LTT rates. Check the latest Welsh Revenue Authority rates before completing.)

Example 1: First-Time Buyer, £350,000, England

Using first-time buyer rates:

  • £0 to £300,000: 0% = £0

  • £300,001 to £350,000: 5% = £2,500

  • Total: £2,500

A main residence buyer at the same price would pay: £0 (on £125k) + £2,500 (on next £125k) + £5,000 (on final £100k) = £7,500. The first-time buyer saves £5,000.

Example 2: Buy-to-Let Purchase, £300,000, England

Additional property rates apply (5% surcharge on top of standard rates):

  • £0 to £125,000: 5% = £6,250

  • £125,001 to £250,000: 7% = £8,750

  • £250,001 to £300,000: 10% = £5,000

  • Total: £20,000

That's 6.7% of the purchase price, compared to £2,500 (0.8%) for a main residence buyer at the same price. This is why stamp duty is a critical input in any BTL deal analysis. Factor it in before you make an offer.

Example 3: Non-UK Resident Buying a Main Home, £500,000, England

Scenario A: First UK property (no overseas property owned) The 2% non-UK surcharge applies on top of standard rates:

  • £0 to £125,000: 2% = £2,500

  • £125,001 to £250,000: 4% = £5,000

  • £250,001 to £500,000: 7% = £17,500

  • Total: £25,000

Scenario B: Non-UK resident who also owns property abroad Both the 5% additional property surcharge and the 2% non-UK surcharge apply on top of standard rates (7% total surcharge):

  • £0 to £125,000: 7% = £8,750

  • £125,001 to £250,000: 9% = £11,250

  • £250,001 to £500,000: 12% = £30,000

  • Total: £50,000

The difference is significant. A non-UK resident who owns property abroad pays £25,000 more in stamp duty than one who does not. If you are buying in England as a non-UK resident, confirm whether your overseas property triggers the additional dwelling surcharge before budgeting.

Example 4: Buy-to-Let Purchase, £300,000, Wales

Wales uses LTT with different rates. Additional properties in Wales also attract a surcharge:

  • £0 to £225,000: 4% (LTT additional rate) = £9,000

  • £225,001 to £300,000: 10% = £7,500

  • Total: £16,500

(LTT additional property rates include a surcharge on top of standard LTT rates. Check the latest Welsh Revenue Authority rates before completing.)

Payment Timelinee

Payment Timelinee

Stamp duty is due within 14 days of completing your property purchase. Your solicitor manages the submission to HMRC during the conveyancing process, but the funds come from you. Build it into your acquisition budget as a completion cost, not a later payment.

The Bottom Line

The Bottom Line

Stamp duty is one of the biggest upfront costs in any property transaction. The key facts to take away:

  • It is progressive: you pay different rates on different slices of the purchase price, not one rate on the whole amount

  • It varies by buyer type: first-time buyers pay less, additional property buyers pay significantly more

  • It varies by location: England, Wales and Scotland use different systems with different thresholds

  • The additional property surcharge is 5% (increased from 3% in October 2024) and applies on top of standard rates

  • It is due within 14 days of completion

For investors, stamp duty is deal-defining. A £20,000 SDLT bill on a £300,000 BTL changes your acquisition cost, your refinancing calculation and your projected returns. Run the numbers before you offer.

Looking for a Stamp Duty Calculator?

Know exactly what you'll pay before you make an offer. Property Filter's free calculator covers England (SDLT), Wales (LTT) and Scotland (LBTT), whether you're a first-time buyer, buying your main home, or adding to your portfolio. Instant results, no signup required.

Calculate Your Stamp Duty

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Follow us on social media to stay updated on the latest trends, case studies, and investment strategies:

Facebook | Instagram | LinkedIn

Connect with like-minded investors, share experiences, ask questions, and access exclusive content.

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Victorian terraced houses in London featuring elegant period architecture with ornate iron balconies, white stucco ground floors, exposed brick upper levels, sash windows, decorative columns, and manicured topiary trees on the balconies, showcasing classic British residential architecture

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Victorian terraced houses in London featuring elegant period architecture with ornate iron balconies, white stucco ground floors, exposed brick upper levels, sash windows, decorative columns, and manicured topiary trees on the balconies, showcasing classic British residential architecture

Turn "Someday" Into "Deal Day"

Access Demo

Victorian terraced houses in London featuring elegant period architecture with ornate iron balconies, white stucco ground floors, exposed brick upper levels, sash windows, decorative columns, and manicured topiary trees on the balconies, showcasing classic British residential architecture

Turn "Someday" Into "Deal Day"

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