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ISA allowance 2016/17

How much can I invest in an ISA?

This tax year you can invest up to £15,240 in ISAs (the tax year runs from 6 April 2016 to 5 April 2017).

You can invest the full amount (up to £15,240) into either a Stocks & Shares ISA, a Cash ISA or an Innovative Finance ISA. Alternatively split your investment between a Stocks & Shares ISA, a Cash ISA, and an Innovative Finance ISA, providing you stay within the overall £15,240 limit.

ISA contributions calculator

Use the sliders below or enter an amount in the box to see how much you will be able to invest in a Stocks & Shares or Cash ISA:

2016/2017 Stocks & Shares ISA contributions:

£
£0£15,240

2016/2017 Cash ISA contributions:

£
£0£15,240

Total remaining ISA allowance:

£15,240

The annual ISA allowance is per individual. This means a husband and wife, for example, can put up to £30,480 between them into ISAs this tax year.

Every tax year the ISA allowance lets you build a significant portfolio of assets sheltered from tax. We have some clients who have used their ISA allowance (and before them PEPs) every year who now have tax-efficient portfolios worth over £1 million.

Find out how much your ISA could be worth in the future with our free ISA calculator. Please remember stock market investments can go down as well as up in value, so you could get back less than you invest.

Open a Stocks & Shares ISA online in minutes

Open your ISA today from as little as £25 a month or with a lump sum of £100 or more. If you're unsure where to invest in your Stocks & Shares ISA, you can open it today, hold your money as cash in your Stocks & Shares ISA and then choose your investments later.

Open a Stocks & Shares ISA

More about ISA limits and rules


  • You can only have one Stocks & Shares ISA, one Cash ISA and one Innovative Finance ISA per tax year. However, you can open ISAs with different providers each tax year if you wish.


  • The deadline for making an ISA contribution for the tax year 2016/17 is midnight 5th April 2017.

    If you miss the deadline, your allowance will not roll over to the next tax year, and you will have lost that portion of your ISA allowance.


  • Changes to ISA rules in April 2015 mean that surviving spouses, or those within civil partnerships, can now inherit an ISA allowance on death.

    The spouse who inherits the ISA will be given an additional, one-off ISA allowance, equal to the value of the deceased's ISA holdings. This enables them to re-shelter assets which were in a spouse's ISA into an ISA in their name.

    For more details please download our free fact sheet.