
Capital Gains Tax & Landlord Pre-Budget Checklist: get ready for 28 October 2026
Know what's confirmed, what's rumour, and what to check before Budget day
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Why it helps
A practical pre-Budget checklist for UK landlords, investors and second-home owners ahead of the 28 October 2026 Autumn Budget. Clearly separates confirmed changes from CGT speculation, and gives you a structured way to gather your property figures, ask the right questions, and avoid panic decisions.
What's inside
- A clear split between what's confirmed for Budget 2026 and what's still speculation, with how to tell the difference yourself
- A plain-English summary of current CGT and rental profit tax rules to check your figures against
- A property and asset inventory template to gather your own numbers in one place
- Specific questions to bring to an accountant or adviser, rather than generic worry
- A list of pre-Budget decisions worth avoiding until something is actually confirmed
- A simple week-by-week timeline from now through to Budget day and beyond
- A post-Budget checklist so you know exactly what to verify once the announcement is made
Take a look inside



Questions
Does this tell me what the Budget will actually announce?
No. Nobody can confirm that in advance, and anyone claiming to is guessing. This checklist helps you separate confirmed facts from speculation and prepare your own figures so you're ready to respond to whatever is actually announced.
Is this a substitute for an accountant or financial adviser?
No. It's a preparation tool to help you gather information and ask better questions. For any decision involving real money, get advice from a qualified UK accountant or financial adviser who knows your full circumstances.
I'm not a landlord, just a second-home owner — is this still useful?
Yes. Sections 4 to 9 apply to anyone holding a property or asset that could carry a Capital Gains Tax bill, not only rental landlords.
What if the Budget is delayed or changes shape before 28 October?
Budget dates are occasionally moved by government announcement. Check gov.uk or a trusted financial news source for the confirmed date nearer the time, and use this checklist's structure regardless of the exact day.
Will you update this after the Budget?
This version is designed to be used before and immediately after the Budget using the section 10 checklist. Check HMRC's own published guidance for the final confirmed detail, since that's the authoritative source once changes are announced.