Changelog

Every rate change and material engine change, dated — demonstrating ongoing maintenance, not a one-off snapshot.

• 2026-09-05 — Calculator: Stamp Duty Calculator launched: SDLT, LBTT and LTT, all buyer types, four-nation coverage.
• 2026-09-04 — England & Northern Ireland (SDLT): SDLT rates verified against HMRC and published. Source.
• 2026-09-04 — Scotland (LBTT): LBTT rates verified against Revenue Scotland and published. Source.
• 2026-09-04 — Wales (LTT): LTT rates verified against the Welsh Revenue Authority and published. Source.