Junior ISA Allowance
How much can be saved tax-free into a child's Junior ISA this tax year.
Junior ISA annual allowance
£9,000
The most that can be paid into a child's Junior ISA each tax year. It doesn't count towards the parent's own ISA allowance.
GOV.UK — HMRC · checked 30 Sep 2026
Junior ISA Eligibility Age
18 years
Available to any UK-resident child under this age who doesn't already have a Child Trust Fund.
GOV.UK — HMRC · checked 22 Sep 2026
Junior ISA Access Age
18 years
The child can't withdraw any funds until they reach this age — the account then automatically becomes a normal adult ISA.
GOV.UK — HMRC · checked 22 Sep 2026