Help to Buy ISA Calculator | Tools for saving

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25 %

tax-free bonus from the Government, plus interest

You can save up to £200 each month. For every £200 you save, the Government will contribute £50.

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How much have you saved into your ISA as an initial lump sum?
£

£1 £1200

CarYou can make an initial lump sum of up to £1,200 in the first calender month of opening your ISA.

How much can you comfortably save each month?
£

£0 £200

CarYou can save up to £200 each month. For every £200 you save, the Government will contribute £50.
In how many years time do you want to buy your first home?
year(s)

year(s)1 year(s)15

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Initial Lump Sum £1200
Monthly Contribution £200
Within 5 Years

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Initial Lump Sum How much have you saved into your ISA as an initial lump sum?
£

£1 £1200
Monthly Contribution How much can you comfortably save each month?
£

£0 £200
Within In how many years time do you want to buy your first home?
year(s)

year(s)1 year(s)15

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CarThe more you save each month, the sooner you'll get your maximum bonus. A longer length of time means smaller monthly contributions.

ContactlessThe amount you’ve entered won’t qualify for the Government bonus.
Try changing your details.

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Total amount towards deposit

£37.75

Your Help to Buy: ISA balance

Your total contribution
£12,000

Your 25% Government bonus
£3,000

After 4 years,6 months

Seize the opportunity to get a £50 tax-free bonus for every £200 you save towards your first home.

Remember, if you’re buying with a partner, you can both have a Help to Buy: ISA – that’s up to £6,000 bonus between you if you're both first time buyers.

You are below the £1,600 bonus threshold

You would need to save at least £1,600 to get the 25% Government bonus, which would be £400.
To get the full £3,000 bonus, you will need to save £12,000. To do this in the quickest way, you’ll need to open your ISA with an initial lump sum of £1,200, and save a minimum of £200 each month for four years, six months.

Compare your results with what you could be getting

Congrats! You'll get the maximum bonus

Your total* after 2 years £3,625

Maximum eligibility for bonus

Minimum eligibility for bonus

*This calculation doesn’t include interest. So you could reach your goal quicker than shown here.

£2,900 Total Contribution

£725 Government bonus

To get the 25% bonus save £1,600

To total £3,625 save£12,000, get £3,000

£2,900 Total Contribution

£725 Government bonus

Minimum eligibility for bonus
Maximum eligibility for bonus

*This calculation doesn’t include interest. So you could reach your goal quicker than shown here.

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Your Help to Buy: ISA breakdown

This is how your savings will grow over the timescale you've chosen.
The 25% Government bonus is made on your total amount, which includes the interest you earn too.

	Contribution	Running total
Initial lump sum(1)	£500	£500
Year 1 (2)	£1,200 (£100)	£1,700 + interest
Year 2	£1,200 (£100)	£2,900 + interest
Year 3	£1,200 (£100)	£2,900 + interest
Year 4	£1,200 (£100)	£2,900 + interest
Year 5	£1,200 (£100)	£2,900 + interest
Year 6	£1,200 (£100)	£2,900 + interest
Year 7	£1,200 (£100)	£2,900 + interest
Year 8	£1,200 (£100)	£2,900 + interest
Year 9	£1,200 (£100)	£2,900 + interest
Year 10	£1,200 (£100)	£2,900 + interest
Year 11	£1,200 (£100)	£2,900 + interest
Year 12	£1,200 (£100)	£2,900 + interest
Year 13	£1,200 (£100)	£2,900 + interest
Year 14	£1,200 (£100)	£2,900 + interest
Year 15	£1,200 (£100)	£2,900 + interest
25% Gov. bonus	£3,00	£15,000 + interest
Total		£15,000 + interest

(1) The initial lump sum is capped to £1,200 in the first month.
(2) These are your contributions for the twelve months after your initial lump sum.

Already have a Cash ISA

You can pay into a Shostra Bank Help to Buy: ISA and a Shostra Bank Cash ISA at the same time. Just remember that you have a total of £20,000 tax-free allowance that you can save this tax year.