How I’d invest my £20k ISA allowance to earn a second income

I believe that now looks like a terrific time to generate a second income in a tax-free ISA by investing in top-notch FTSE 100 dividend stocks.

| More on:

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.

Middle-aged Caucasian woman deep in thought while looking out of the window

Image source: Getty Images

Investing in an ISA’s probably one of the smartest ways to generate a second income, as all earnings will be completely tax-free for the rest of the time. Capital that’s put to work in an ISA is completely immune to capital gains and dividend taxes. And that’s more important than ever, given the annual allowance for such returns has been decimated in recent years.

Today, only up to £500 in dividends and £3,000 in capital gains can be earned tax-free. However, in an ISA, these limits don’t apply, allowing wealth to compound without HMRC dragging down performance.

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.

Hungry for dividends

One of the easiest ways to start earning a second income in the stock market is with dividend-paying stocks. These enterprises don’t usually provide much explosive growth. But the high-quality ones produce exorbitant volumes of free cash flow that pave the way to constantly growing reliable payouts.

Plus, this expansion of income can be further accelerated by reinvesting the dividends received over time. And best of all, the London Stock Exchange is filled with these types of stocks, meaning that investors are spoilt for choice.

Even now, after enjoying a rally in 2024, there are still over 65 British stocks in the FTSE 350 offering yields greater than 5%. And most have multi-year streaks of increasing payouts. So when looking to invest my £20,000 annual ISA limit to earn a second income, these are the first companies I’m going to take a closer look at.

Understanding yield

It can be tempting to chase after the highest yields in the stock market. And at first glance, this strategy seems to make a lot of sense. The higher the yield, the larger the dividend income. But in practice, a high payout level can actually be a giant warning sign to stay away. That’s because the share price also influences yield.

If a stock suddenly tanks, the yield will surge. A perfect recent example of this would be luxury fashion house Burberry (LSE:BRBY). The cyclical downturn in the luxury sector, paired with an ill-conceived shift in creative style, has led the stock to plummet more than 73% over the last 12 months. Subsequently, the firm’s historically modest yield now sits at 10.7% based on its most recent dividend payments.

Considering the FTSE 100 has historically generated an average total return of 8% a year, earning double-digits from dividends alone sounds extraordinary. But that’s dependent on Burberry maintaining its dividend policy. And since its cash flows are currently in jeopardy, this isn’t going to be the case.

In fact, management recently announced that dividends have been completely cancelled. As such, despite what’s displayed on many financial websites, Burberry’s yield is actually 0%.

That could change in the future as the brand steers itself back on track in a more economically favourable environment. Even more so, given that management’s recognised it has a problem and is taking action to try and turn things around.

But investors jumping in right now on the promise of a large yield without closely inspecting its sustainability are likely to be disappointed with the size of their second income.

Zaven Boyrazian has no position in any of the shares mentioned. The Motley Fool UK has recommended Burberry Group Plc. Views expressed on the companies mentioned 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

Calendar showing the date of 5th April on desk in a house
Investing Articles

Investors are rushing to buy these before the Stocks and Shares ISA deadline. Should we join in?

Despite geopolitical troubles causing so much pain in the world, Stocks and Shares ISA investors in the UK are keeping…

Read more »

Mature friends at a dinner party
Investing Articles

How much do you need in a Stocks and Shares ISA for a £10,000 second income?

Ben McPoland highlights a FTSE 100 dividend stock yielding 7% that could contribute nicely to an ISA generating a second…

Read more »

Close-up of a woman holding modern polymer ten, twenty and fifty pound notes.
Investing Articles

How big a Stocks and Shares ISA is needed to target £500 of monthly passive income?

Christopher Ruane explains how a Stocks and Shares ISA could potentially earn someone thousands of pounds in dividends per year.

Read more »

British pound data
Investing Articles

With the stock market down, here are 2 potential ISA bargains to consider right now

When the stock market dips, investors looking at long-term prospects should seek out cheap shares, right? I have my eye…

Read more »

Mature black woman at home texting on her cell phone while sitting on the couch
Investing Articles

Want a £1m Stocks and Shares ISA? Step 1 starts before 5 April

Dr James Fox explains why the Stocks and Shares ISA is an incredible vehicle, and why investors may want to…

Read more »

Happy woman commuting on a train and checking her mobile phone while using headphones
Investing Articles

2 dirt-cheap stocks to consider buying for an ISA portfolio in April

This pair of UK shares are down by double digits in recent months. Ben McPoland sees both as stocks to…

Read more »

Front view photo of a woman using digital tablet in London
Growth Shares

I think this undervalued penny stock has serious potential to outperform

Jon Smith points out a penny stock that's started to rise as the company pushes ahead with a transformation that…

Read more »

Close-up of children holding a planet at the beach
Investing Articles

2 dividend-paying investment trusts to consider for a Stocks and Shares ISA

These two London-listed funds source their dividends globally, offering income investors diversification inside an ISA portfolio.

Read more »