databutler.dev · /facts — every fact · Verified Facts protocol · /.well-known/facts.json · /changes

CPI 12-month inflation rate (all items)

3.5 %

2026-09, from 2026-10-21 · verified 2026-10-31 against the official source · next expected change 2026-11-18

CPI ANNUAL RATE 00: ALL ITEMS 2015=100, 2026 SEP: 3.5

key

uk/cpi/annual-rate

value

3.5 %

period

2026-09

effective

2026-10-21 to date

source

https://www.ons.gov.uk/economy/inflationandpriceindices/timeseries/d7g7/mm23

verified

2026-10-31 — fresh (6 days ago; next check by 2026-11-18)

next expected change

2026-11-18 (scheduled: the source's published decision calendar)

source checked

2026-11-02 (the newest day the automated check fetched the source page)

previous

3.1 % (2026-08) from 2026-09-16

scope

United Kingdom; Consumer Prices Index, all items (ONS series D7G7, D7BT)

hash

sha256:f42aed677a94c1964c5d211403982dbd154b13f3bc6de5fb0d4ade867090eb47

signature

EdDSA, key db-2026-10 — keys

As JSON

curl -s https://databutler.dev/f/uk/cpi/annual-rate?max_age=30d — schema; verify with npx verified-facts verify https://databutler.dev/f/uk/cpi/annual-rate

{
  "protocol": "verified-facts/0.3",
  "key": "uk/cpi/annual-rate",
  "aliases": [
    "uk/inflation/cpi",
    "uk/inflation/rate"
  ],
  "label": "CPI 12-month inflation rate (all items)",
  "value": 3.5,
  "unit": "%",
  "period": "2026-09",
  "effectiveFrom": "2026-10-21",
  "effectiveTo": null,
  "source": "https://www.ons.gov.uk/economy/inflationandpriceindices/timeseries/d7g7/mm23",
  "quote": "CPI ANNUAL RATE 00: ALL ITEMS 2015=100, 2026 SEP: 3.5",
  "verifiedDate": "2026-10-31",
  "nextScheduledRefresh": "2026-11-18",
  "changeCadence": "scheduled",
  "nextExpectedChange": "2026-11-18",
  "sourceCheckedAt": "2026-11-02",
  "status": "fresh",
  "ageDays": 6,
  "maxAgeDays": null,
  "previous": {
    "value": 3.1,
    "period": "2026-08",
    "effectiveFrom": "2026-09-16",
    "source": "https://www.ons.gov.uk/economy/inflationandpriceindices/timeseries/d7g7/mm23"
  },
  "scope": "United Kingdom; Consumer Prices Index, all items (ONS series D7G7, D7BT)",
  "hash": "sha256:f42aed677a94c1964c5d211403982dbd154b13f3bc6de5fb0d4ade867090eb47",
  "signature": {
    "alg": "EdDSA",
    "kid": "db-2026-10",
    "jws": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRiLTIwMjYtMTAifQ..qd5Z07d8JdHlCfJQe1zJOVxAWjBbUOfZmRr9b1w6QSrOZC90TS5qA6f1NpzhIyS9n9I6OyFW30lWWIK0VezyCg",
    "keys": "https://databutler.dev/.well-known/jwks.json"
  },
  "publisher": {
    "name": "Data Butler",
    "url": "https://databutler.dev/"
  },
  "cite": {
    "url": "https://databutler.dev/facts/uk/cpi/annual-rate",
    "text": "databutler.dev, verified 2026-10-31 against https://www.ons.gov.uk/economy/inflationandpriceindices/timeseries/d7g7/mm23"
  }
}