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Mortgage Planner

Stamp duty calculator

Stamp duty calculator UK: how much cash do you really need to buy?

Estimate purchase tax and other upfront buying costs before you focus only on the deposit. This calculator helps you sense-check the full cash needed for England and Northern Ireland, Wales, or Scotland.

Illustrative only. Review assumptions and disclaimer details before relying on the outputs.

Quick notes about this tool

Useful for

  • Working out whether the deposit is only part of the story.
  • Checking how first-time buyer or additional-property tax changes the budget.
  • Comparing buyer costs across England and Northern Ireland, Wales, and Scotland.

What this tool is for

  • Pressure-test a budget before an agreement in principle.
  • Compare simple scenarios without handing data to a lead form.
  • Understand how rates, deposits, and monthly costs change the picture.

Your scenario updates the page URL so you can revisit it later.

Stamp Duty Land Tax

£2,500

Estimated from the selected nation and buyer type.

Total upfront cash

£55,850

Deposit, transaction tax, and the fees listed below.

Mortgage needed

£300,000

Purchase price minus deposit.

Deposit share

14.3%

Useful for sense-checking loan-to-value before you apply.

Upfront cost breakdown

Stamp Duty Land Tax

Deposit£50,000
First-time buyer SDLT band 0%£0
First-time buyer SDLT band 5%£2,500
Other buyer fees£3,350

This view is useful for comparing buyer type, region, and deposit size before you speak to a solicitor or broker.

What this means

This calculator is most useful for answering a simple planning question: how much cash do you really need to complete the purchase?

  • In this scenario, the upfront tax alone is about £2,500, before solicitor, survey, moving, and mortgage fees.
  • Changing nation, first-time buyer status, or additional-property status can change the tax by thousands, so it is worth checking this early.
  • Treat this as a planning figure rather than a legal quote because tax rules, relief eligibility, and lender fee choices can all vary.

How to use this stamp duty calculator

Start with the property price, deposit, and tax region. Then add the buyer details that usually move the number most: whether this is a first home or an additional property, and the other upfront fees you expect to pay in cash.

If you are still deciding what deposit size is realistic, it helps to read how much deposit for a house in the UK alongside this tool.

What affects the result most

  • The nation matters because England and Northern Ireland, Wales, and Scotland all use different purchase-tax systems.
  • First-time buyer relief can reduce the bill materially, but only in some cases and not in every nation.
  • Additional-property treatment can add thousands, so it is worth checking before you assume the deposit is enough.

Once you know the likely tax and cash-needed figure, use the mortgage affordability calculator to see what the remaining borrowing would look like.

Common questions

Does this calculator cover the whole UK?

Yes, it gives a planning estimate for England and Northern Ireland, Wales, and Scotland using separate tax logic for each nation.

Does first-time buyer relief always apply?

No. Relief depends on the nation, the purchase price, and whether the property counts as an additional dwelling. The calculator highlights those situations.

Are solicitor, survey, and moving costs fixed?

No. They vary by property, location, and transaction complexity, so the fee inputs are there to help you build a more realistic cash-needed estimate.