Stamp Duty Calculator

Quickly estimate your monthly mortgage payments with our easy-to-use calculator. Simply enter your loan amount, interest rate, and term to see how much your repayments could be. Perfect for first-time buyers, remortgaging, or property investors looking to plan their finances.

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Stamp Duty FAQs

Find answers to common questions about Stamp Duty, property purchases, and how it affects your mortgage planning.

  • What is Stamp Duty?
    Stamp Duty Land Tax (SDLT) is a tax you pay when you buy property or land over a certain price in England or Northern Ireland. The amount you pay depends on the property’s value and whether it’s your main home, a second property, or a buy-to-let investment.
  • How much Stamp Duty will I need to pay?
    The exact amount depends on the purchase price and your buyer status — for example, whether you’re a first-time buyer or already own another property. You can use our Stamp Duty Calculator to find out how much you’ll need to pay based on your situation. Just enter your details and we’ll give you a clear breakdown of the cost.
  • Do first-time buyers have to pay Stamp Duty?
    If you’re buying your first home and it costs £425,000 or less, you won’t pay any Stamp Duty. If the property costs up to £625,000, you’ll only pay tax on the portion above £425,000. Anything over £625,000 doesn’t qualify for the first-time buyer discount.
  • Do I pay more Stamp Duty if I’m buying a second home or buy-to-let?
    Yes. If you already own another property, you’ll usually pay a 3% surcharge on top of the standard Stamp Duty rates. This applies to second homes, holiday lets, and most buy-to-let purchases.
  • When and how do I pay Stamp Duty?
    Stamp Duty must be paid within 14 days of completing your purchase. Your solicitor or conveyancer will usually handle the paperwork and payment for you — it’s all part of the legal process when buying a home.
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