Editorial standards & corrections

How we verify rates, source facts, and handle corrections

Who we are

The Stamp Duty Calculator is maintained by a small editorial team with backgrounds in conveyancing, tax and financial publishing. The site is not a regulated financial adviser, accountant or solicitor — everything we publish is general information, not advice.

Editorial team

ED [Editor name] — Editor-in-Chief. [Add credentials, e.g. "Former conveyancing solicitor (CILEx-qualified). 8 years' experience in residential property law."] Responsible for the SDLT calculator logic, rate verification, and overall editorial direction.
LinkedIn profile (replace with real URL)
TX [Tax reviewer name] — Tax reviewer. [Add credentials, e.g. "Chartered Tax Adviser (CTA). Reviews tax-related content for accuracy."] Responsible for reviewing SDLT, CGT, and BTL tax articles before publication.
LinkedIn profile (replace with real URL)

These bios are placeholders. Replace the names, credentials and LinkedIn URLs with the real editorial team before launch.

How we verify rates

SDLT rates and related thresholds are the lifeblood of this site. We verify them against HMRC's published rate tables on GOV.UK every time we update content, and we re-verify the entire calculator's rate tables after every UK Budget, Spring Statement, and any HMRC notice announcing rate changes. The "Rates last verified" date at the bottom of every calculator and rate page reflects the most recent check.

Our sourcing rules

Every factual statement on the site is sourced from primary authorities. We do not source from competitor calculators, property blogs, or aggregator sites. Primary sources we use:

  • GOV.UK — HMRC, HM Treasury, HM Land Registry, Ministry of Housing
  • HMRC internal manuals — SDLT manual, CGT manual, IHT manual
  • legislation.gov.uk — statutory text of Finance Acts and related instruments
  • Bank of England — financial stability publications and mortgage market data
  • Office for National Statistics (ONS) — house price indices, transaction statistics
  • Financial Conduct Authority (FCA) — mortgage market data, conduct of business rules
  • BAILII — tribunal and court judgments on SDLT and tax disputes

Editorial review process

Every article on the site goes through this process before publication:

  1. Drafting. Initial draft by a member of the editorial team with relevant expertise.
  2. Source check. Every factual claim cross-checked against a primary source linked in the "Sources" panel.
  3. Calculation verification. Worked examples re-computed against the calculator's logic.
  4. Tax / legal review. Reviewed by the tax reviewer or external specialist for tax/legal content.
  5. Plain-language check. Edited for clarity. We avoid jargon where possible; where we use technical terms, we define them.
  6. Publication. "Last verified" date stamped at the bottom.

After publication, every article is re-reviewed at least once a year, or sooner if HMRC publishes a relevant change. Rate-sensitive articles (the calculators, the rates page, the timeline) are re-reviewed after every Budget and Spring Statement.

Corrections policy

We aim to be accurate. When we get something wrong, we correct it and tell you what changed.

  1. Spot an error? Email contact@dutycalculatorstamp.co.uk with the page URL and what's wrong. Include a source if you can — it speeds things up.
  2. What we do. We review the report within 3 working days. If the report is valid, we update the page within 7 working days.
  3. How we mark the change. Material corrections (a changed figure, a corrected rule) are noted in the corrections log below. Minor typo fixes are made silently.
  4. If we can't reproduce the error. We'll reply with our reasoning and the source we relied on, and the page stays as it is.

Corrections log

Material changes will be logged here once the site has been live long enough to accumulate any. Each entry will include the date, the page, what changed, and why.

  • No corrections logged yet.

What we are not

We are not a regulated financial adviser. We are not your solicitor, conveyancer, accountant or mortgage broker. The information on this site is general guidance only and is not a substitute for personalised professional advice. For your specific situation, please speak to an FCA-regulated mortgage broker (for mortgages), a CTA-qualified tax adviser (for tax), or a SRA-regulated solicitor (for conveyancing).

Editorial standards last reviewed: 16 May 2026.