I’d put £500 a month into a Stocks and Shares ISA to target a £33,000 second income

Not got a pile of cash? Here’s how regular investments in the UK stock market could build up over time, to generate a fat second income.

The content of this article was relevant at the time of publishing. Circumstances change continuously and caution should therefore be exercised when relying upon any content contained within this article.

You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn More.

Storytelling image of a multiethnic senior couple in love - Elderly married couple dating outdoors, love emotions and feelings

Image source: Getty Images

To get a decent second income from the UK stock market, we’d need a fair sized pot of cash, right?

Ultimately, yes. But it might be more achievable than we think.

I was talking to a friend recently, who thinks stocks and shares are only for the rich. And if you haven’t got a huge pile to invest, forget it.

He has no savings, but he has a good income. And he could put aside £500 per month if he wanted. Oh, and he’s still fairly young.

I reckon he’s much better off than he thinks. And I know what I’d do in his position.

Drip feed into an ISA

I’d drip feed that £500 each month into a Stocks and Shares ISA.

The big ISA providers these days will let us set up monthly transfers from as little as £25. And we can add any extra cash when we like.

It wouldn’t matter if I didn’t know which shares I wanted. Just having the money out of my bank account would reduce the temptation to spend it.

But, here’s the big question.

How much could my £500 per month build up to in, say, 20 years?

Different returns

That depends on the rate of return we can get.

Over the very long term, UK shares have averaged around 7% per year. I’d aim to beat that, by choosing strong FTSE 100 dividend stocks.

And over the past decade, the average Stocks and Shares ISA return has been very good at 9.6%. Still, whatever we get, the miracle of compounding can build us an impressive pile of cash.

Sticking with 7% per year, and buying new shares with any income, after 20 years I could be sitting on a £255,000 ISA pot. That’s more than a quarter of a million pounds!

And it could pay more than £17,000 per year in income. All tax free.

Please note that tax treatment depends on the individual circumstances of each client and may be subject to change in future. The content in this article is provided for information purposes only. It is not intended to be, neither does it constitute, any form of tax advice. Readers are responsible for carrying out their own due diligence and for obtaining professional advice before making any investment decisions.

The reinvestment difference

What if my returns are half dividends (with the other half from share price gains), and I take and spend the cash?

That would drop my total, under the same conditions, to £173,000. I’d forfeit a whopping £82,000 of my final total.

If I can match the past decade of ISA returns, with 9.6% per year? Well, my monthly £500 could grow into £345,000 in 20 years.

And if I can keep that rate up, I’d nail my £33,000 second income.

The cash alternative

Some Cash ISAs offer 5.4% per year now, and I can’t ignore that. It’s guaranteed too (for the duration of the deal), so it comes without the stock market risk.

At that rate, I could still build up over £200,000 in 20 years.

The trouble is, today’s rates are unusually high. When the Bank of England base rate drops, they’ll have to fall. So it’s stock and shares for me, for the long term.

Anyway, that’s how I’d invest £500 per month. We must all make our own choices, based on how we see the risk.

Views expressed in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors.

More on Investing Articles

Chalkboard representation of risk versus reward on a pair of scales
Investing Articles

Is BAE Systems the FTSE 100’s newest AI stock?

Defence stock BAE Systems has proved a good buy for investors of late, but could it get a further boost…

Read more »

Female Tesco employee holding produce crate
Investing Articles

Under £5 now! Here’s why I think Tesco’s share price should be trading closer to £7

Tesco’s share price looks too cheap to me for a business growing profits, boosting cash flow and undertaking buybacks at…

Read more »

A row of satellite radars at night
Investing Articles

Could the SpaceX IPO make Barclays shares this year’s top FTSE 100 idea?

Barclays is the exclusive regional lead for the UK in the upcoming SpaceX IPO, but its shares still trade at…

Read more »

A young Asian woman holding up her index finger
Investing Articles

This FTSE 100 dividend hero once again tops AJ Bell’s most-bought list

After more than four decades of rewarding shareholders, Legal & General remains one of the most bought FTSE 100 stocks…

Read more »

A pastel colored growing graph with rising rocket.
Investing Articles

£20,000 invested in BT shares 2 years ago is today worth…

BT shares have doubled in price over two years — yet the valuation still looks low. Here’s why the next…

Read more »

Middle-aged white man pulling an aggrieved face while looking at a screen
Investing Articles

Down 5.5%, why is the Rolls-Royce share price slipping this week?

The Rolls-Royce share price was one of the FTSE 100’s biggest fallers as markets opened this week. Mark Hartley examines…

Read more »

Middle-aged white man wearing glasses, staring into space over the top of his laptop in a coffee shop
Investing Articles

Is this household name now the FTSE 100’s best bargain stock?

This FTSE 100 firm is having a torrid time. But Paul Summers wonders whether now is exactly when buyers should…

Read more »

Portrait Of Senior Couple Climbing Hill On Hike Through Countryside In Lake District UK Together
Investing Articles

How long might it take to become an ISA millionaire?

Want to become an ISA millionaire? It could take less time than you’d expect it to if you have a…

Read more »