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Chancellor John Healey will announce increases in income tax or national insurance contributions in the UK Budget scheduled for October 2026.

probability 79% deadline 2026-10-12 (13d left) Finance

Posted 2026-09-28 — 14 days before the deadline, stated before the outcome.

The claim

Chancellor John Healey will announce increases in income tax or national insurance contributions in the UK Budget scheduled for October 2026.

Reasoning trace

  1. Chancellor's admission that money is 'simply not there'
  2. Explicit warning against Blair-era spending blitz implying fiscal austerity
  3. Media framing focuses heavily on 'big tax rises'

Evidence so far

0 confirming · 0 denying signals · 0 verified · 0 broken assumptions. The evidence itself is part of the full dossier.

Probability history

Updated 1 time since mint (last on 2026-09-28) — 70% at mint → 79% today.

What to watch

  • milestone HM Treasury publishes the Budget Statement of Intent
  • milestone HM Treasury publishes the draft Budget speech

The full dossier behind this prediction — the evidence trail, the risk analysis, the monetization scenarios — is available on request: [email protected].

Probabilities are calibrated against the system's own resolved history; after the deadline the outcome is resolved and audited — including the calls we get wrong. Nothing on this page is investment advice.