Our story
About Stamp Duty Calculator
We built Stamp Duty Calculator to make one of the most confusing parts of buying property — Stamp Duty — instantly understandable.
Why we exist
Stamp Duty catches too many buyers off guard. We wanted a calculator that shows the working, not just a final number — so anyone can understand exactly how their tax bill was built.
No accounts, no ads, no data collection. Just a fast, accurate tool that respects your time.
Independent
Not affiliated with any lender, agent, or developer.
Transparent
Every band and rate is shown, never hidden behind a single figure.
Private
All calculations run locally — nothing is ever sent to a server.
Free
Unlimited use, with no subscription or paywall.