UK Stamp Duty (SDLT) calculator

Banded SDLT estimate. Mobile‑first. No cookies.

Inputs

Important: SDLT rules change. This page ships with a “rates table” in the source code so it’s quick to update. If you tell me the exact bands you want (or a GOV.UK link), I’ll update them and add an “updated on” badge.

Results
Estimated SDLT
Effective rate
Breakdown

Disclaimer: general information only; not tax guidance. Eligibility rules (e.g. first‑time buyer) are more detailed than a dropdown.

What is stamp duty?

Stamp Duty Land Tax (SDLT) is a tax you may pay when buying property in England and Northern Ireland. It’s banded: different slices of the price are taxed at different rates.

Examples

We’ll add worked examples for common London price points (FTB vs standard vs additional).

FAQs

We’ll add FAQs (gifted deposit, replacing main residence, married couples, etc.).