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

Overall ISA allowance

20000 GBP/year

2026-27, from 2026-04-06 · verified 2026-10-04 against the official source · next expected change 2027-04-06

In the 2026 to 2027 tax year, the maximum you can save in ISAs is £20,000

key

uk/isa/overall-isa-allowance

value

20000 GBP/year

period

2026-27

effective

2026-04-06 to date

source

https://www.gov.uk/individual-savings-accounts

verified

2026-10-04 — fresh (33 days ago; next check by 2027-04-06)

next expected change

2027-04-06 (annual: a fixed day each year)

source checked

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

previous

20000 GBP/year (2025-26) from 2025-04-06

scope

UK-wide, per tax year

hash

sha256:2bd99c81c59f3065339b8c547a248f723d128d3f5fa66baa188b33214d0b539a

signature

EdDSA, key db-2026-10 — keys

As JSON

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

{
  "protocol": "verified-facts/0.3",
  "key": "uk/isa/overall-isa-allowance",
  "label": "Overall ISA allowance",
  "value": 20000,
  "unit": "GBP/year",
  "period": "2026-27",
  "effectiveFrom": "2026-04-06",
  "effectiveTo": null,
  "source": "https://www.gov.uk/individual-savings-accounts",
  "quote": "In the 2026 to 2027 tax year, the maximum you can save in ISAs is £20,000",
  "verifiedDate": "2026-10-04",
  "nextScheduledRefresh": "2027-04-06",
  "changeCadence": "annual",
  "nextExpectedChange": "2027-04-06",
  "sourceCheckedAt": "2026-11-02",
  "status": "fresh",
  "ageDays": 33,
  "maxAgeDays": null,
  "previous": {
    "value": 20000,
    "period": "2025-26",
    "effectiveFrom": "2025-04-06",
    "source": "https://webarchive.nationalarchives.gov.uk/ukgwa/20250630175307/https://www.gov.uk/individual-savings-accounts"
  },
  "scope": "UK-wide, per tax year",
  "hash": "sha256:2bd99c81c59f3065339b8c547a248f723d128d3f5fa66baa188b33214d0b539a",
  "signature": {
    "alg": "EdDSA",
    "kid": "db-2026-10",
    "jws": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRiLTIwMjYtMTAifQ..R3oZGdIoYqL7PzTmwcY47nDIf2nOsUyed9FS8eaG_llP76av3Euw0BHWqGeWI00Sb45_MnNc-QekHmJBh_yLBg",
    "keys": "https://databutler.dev/.well-known/jwks.json"
  },
  "publisher": {
    "name": "Data Butler",
    "url": "https://databutler.dev/"
  },
  "cite": {
    "url": "https://databutler.dev/facts/uk/isa/overall-isa-allowance",
    "text": "databutler.dev, verified 2026-10-04 against https://www.gov.uk/individual-savings-accounts"
  }
}