finance calculator

UK Stamp Duty Calculator

Estimate UK stamp duty land tax (SDLT) for residential purchases, including first-time buyer relief and additional property surcharges.

Results

Estimated SDLT
$12,000

How to use this calculator

  1. Enter property price.
  2. Select first-time buyer status.
  3. Indicate if this is an additional property (surcharge applies).
  4. Review estimated SDLT.

Inputs explained

First-time buyer
Applies first-time buyer relief bands when set to Yes.
Additional property
Adds a 3% surcharge to each band if this is a second/additional property.

How it works

Bands (illustrative): First-time buyers: 0% to £425k, 5% £425k–£625k, 10% above. Standard: 0% to £250k, 5% £250k–£925k, 10% £925k–£1.5m, 12% above. Additional property adds 3% to each band.

Formula

Apply SDLT bands with 3% surcharge for additional properties; first-time relief bands when applicable.

When to use it

  • Estimating SDLT for a home purchase in England/Northern Ireland (illustrative bands).
  • Checking impact of first-time buyer relief vs standard bands.
  • Adding surcharge for additional property purchases.

Tips & cautions

  • Rates and thresholds change; update bands to current rules as needed.
  • Scotland/Wales use LBTT/LTT with different bands—not modeled here.
  • For purchases above relief caps, standard bands apply to the excess.
  • Illustrative bands; update to current SDLT rules.
  • Does not handle non-residential or mixed-use rates.
  • Scotland/Wales not covered; only England/NI structure shown.

Worked examples

£400k, first-time buyer

  • 0% to £425k → Duty = £0

£600k, not first-time, no surcharge

  • 0% to £250k = 0
  • 5% on £350k = £17,500
  • Duty ≈ £17,500

£400k, additional property

  • 0%+3% to £250k, 5%+3% on remainder → higher duty due to surcharge

Deep dive

Estimate UK stamp duty (SDLT) with first-time buyer relief and additional property surcharge by entering price and flags.

Get a quick SDLT estimate using common residential bands; update bands as rates change.

FAQs

Is this official SDLT?
It’s an estimate. Update bands/thresholds for current rules and check gov.uk for official rates.
Does this cover Scotland/Wales?
No. LBTT/LTT have different bands and are not modeled here.
Are bands up-to-date?
Bands are illustrative. Update them to current SDLT thresholds before use.
What about non-residential?
Not modeled. This focuses on residential SDLT.
Is this tax advice?
No. It’s a quick estimate; confirm with official SDLT calculators/resources.

Related calculators

Illustrative SDLT estimate. Rates/thresholds change. Scotland/Wales not covered. Confirm with official SDLT guidance before relying on this figure.