News & policy

Sell Before the Budget? What the CGT Rumours Do and Don't Mean

Budget 2026 · 6 min read

With the Autumn Budget set for 28 October 2026, a familiar question is back and louder than ever: should you sell a rental now, to bank the gain before a possible Capital Gains Tax rise? Reports this week say the speculation is real enough that it's already pulling some sales forward. Before you make an irreversible decision on the strength of a rumour, it's worth separating what's actually confirmed from what's just being talked about. A quick, important caveat first: we're a compliance tool, not tax advisers, and nothing here is tax or financial advice — it's context, plus the one thing you can control whatever the Chancellor says. For anything about your own position, speak to a qualified accountant and verify on GOV.UK.

What's actually confirmed

Here's the settled ground, as things stand for the 2026/27 tax year:

Residential CGT rates are unchanged — the current rates on gains from selling a residential property remain as they are for 2026/27 (widely reported at 18% and 24% depending on your income band), with the usual annual exempt amount.
The Budget date is 28 October 2026 — that's when any actual change would be announced, not before.
Some other landlord tax changes are already confirmed — separately from CGT, an increase to the tax on rental income has been announced for April 2027, with a further high-value-property surcharge flagged for later. We cover these in what's confirmed versus rumour.

What's only rumour

The thing driving the "sell now" conversation is speculation, not policy. Commentators and some politicians have floated the idea of aligning CGT more closely with income-tax rates, and there's talk of other wealth-focused measures — but none of that has been enacted, and it may not be. Treat all of it as what it is: pre-Budget rumour. The important point for a decision as big as selling: nobody knows what the Budget will contain until it's delivered, and acting on a guess can be as costly as ignoring a real change.

The honest bit: selling a property is largely irreversible and carries real costs — agent and legal fees, the loss of a future income stream, and the CGT itself, which you'd crystallise now by selling rather than possibly deferring. Timing a sale around an unconfirmed tax change is a genuine gamble, and the "right" answer depends entirely on your own numbers, plans and circumstances. This is exactly the kind of decision to take with a qualified accountant or tax adviser, not on the back of a headline — and to verify against the actual Budget once it's delivered on 28 October, on GOV.UK.

Why the rumour itself is moving the market

There's a real feedback loop here. Because a CGT rise is plausible, some landlords are choosing to sell now to lock in today's rates — and that pulling-forward of sales is itself part of the story being reported. It's understandable: for a landlord already weighing up whether to stay, a possible tax change can feel like the nudge. But "other people are selling" is not, on its own, a reason to sell — it's a reason to get proper advice quickly, so that if you do act, you act on your own figures rather than the crowd's anxiety. For many landlords the calmer reading is the exodus paradox: as others leave, those who stay face strong tenant demand and less competition.

If you're staying: the cost you actually control

Whatever the Budget does to tax, one part of your cost base is entirely in your hands, and it's the one we'd gently point you back to: compliance. Tax rates are set in Westminster; a compliance penalty is set by whether your certificates are in date, your deposit is protected, your licence is current and your records are provable. A single avoidable penalty — an unlicensed let, a lapsed gas certificate, an unprotected deposit — can dwarf a marginal tax change, and unlike the Budget, it's completely within your control. If you're staying, the sensible response to tax uncertainty isn't to gamble on timing; it's to make sure you're not leaking money on the things you can fix, by staying fully compliant and lettable.

What landlords should do now

Don't make an irreversible decision on a rumour — nothing about CGT changes until the Budget is delivered on 28 October.
Get proper, personalised tax advice from a qualified accountant before selling — the maths is specific to you.
Know your own numbers — yield, equity, costs and plans per property — so any decision is evidence-based, not headline-driven.
If you're staying, tighten what you control — certificates, deposit protection, licensing and records — so you're not losing money to avoidable penalties.
Verify after the Budget — check what was actually announced on GOV.UK, and revisit with your adviser then.

Budgets come with a lot of noise, and this one — with CGT back in the frame — is noisier than most. The landlords who come through it best won't be the ones who reacted fastest to a rumour; they'll be the ones who took advice on the big, irreversible decisions and quietly kept the controllable costs down in the meantime. We can't tell you what the Chancellor will do on 28 October. We can help make sure that, whatever it is, your compliance isn't the thing that costs you.

Control the cost you can

LandlordProof keeps every property's certificates, deposit records, licences and key dates in one place, with reminders before anything lapses — so whatever the Budget brings, an avoidable compliance penalty isn't added to the bill. Free for your first property.

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General guidance for UK landlords, not tax, financial or legal advice. Capital Gains Tax rates, allowances and any Budget changes are set by government and can change — the figures here are as reported at the time of writing and any rumoured change is exactly that until announced. Always take advice from a qualified accountant or tax adviser on your own circumstances and verify the current position at GOV.UK, especially after the Budget on 28 October 2026.