Here’s how I’d invest £250 a month in a Stocks and Shares ISA in 2023

Investing regularly in top stocks is a proven wealth-building strategy. Doing it in 2023 with a Stocks and Shares ISA could be even better!

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.

Smiling young man sitting in cafe and checking messages, with his laptop in front of him.

Image source: Getty Images

A Stocks and Shares ISA is a remarkable tool for British investors. After all, it eliminates all capital gains and dividend taxes from the equation, allowing investment portfolios to thrive. And following the unpleasant stock market correction last year, now might be the perfect time to open one.

Don’t forget, over the long term, flagship indices like the FTSE 100 and FTSE 250 have historically increased, creating substantial wealth for those with patience. And with so many businesses now trading below their intrinsic value, investing today could be the first step to building an impressive nest egg.

Corrections create opportunities

With the economic uncertainty plaguing the financial markets courtesy of inflation, it’s not surprising that UK shares took a beating last year. The FTSE 100 has proven to be fairly resilient, but the same can’t be said for the FTSE 250, which is still down 15% compared to a year ago.

Investing in a volatile market driven by emotion rather than logic can be risky. Panic-selling investors can send shares of even the most financially robust and promising enterprises down the drain. But for those who can identify such companies, this behaviour creates rare buying opportunities for their Stocks and Shares ISA.

In the long run, stock prices follow the performance of the underlying business. And suppose the market-cap of a top-notch firm is dropping significantly despite improving cash flows and earnings. In that case, buying shares today may turn out to be a fantastic investment.

The power of regular ISA investments

Crashes and corrections nurture a stock pickers market. However, picking individual stocks isn’t the only way to capitalise on this rare opportunity.

Looking at the FTSE 250, the index has delivered an average annual return of 10.6%, even after its slump in 2022. And investing a regular monthly sum of £250 using a Stocks and Shares ISA into something as simple as an index fund can capitalise on this long-term trend.

After 35 years of investing regularly, assuming this performance continues, an investment portfolio would be worth approximately £1.1m. Following the 4% withdrawal rule, that’s the equivalent of a £44,000 annual passive income. And it’s tax-free, thanks to the ISA.

Risk vs Reward

With the FTSE 250 still trading below its pre-correction price, the long-term recovery could push average returns even higher. But that’s far from guaranteed. As is the assumption that the index will continue to deliver its historical returns. Three decades is a long time. And multiple market crashes and corrections will likely occur during this period.

This will undoubtedly create new buying opportunities for shrewd investors. However, it may also derail the wealth-building process for existing portfolios, much like the correction in 2022 did. Depending on the timing of these events, a Stocks and Shares ISA may be worth considerably less than expected.

This risk comes with the territory of investing. And while tactics like diversification and pound-cost averaging can reduce the impact, they can’t be avoided entirely. Nevertheless, given the potential reward, it’s a risk I feel is worth taking.

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.

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

British pound data
Investing Articles

Starting with nothing? Here’s why now is the perfect time to start building a passive income

Many are worried that 2026 might be a bad time to start investing in stocks and shares. Our Foolish author…

Read more »

ISA coins
Investing Articles

Decided not to bother with a Stocks and Shares ISA? You might be missing these 3 things!

With a fresh annual allowance for contributing to a Stocks and Shares ISA upon us, what might people who don't…

Read more »

GSK scientist holding lab syringe
Investing Articles

Why is everyone buying GSK shares?

GSK shares have been outperforming the FTSE 100 in 2026. Paul Summers takes a closer look and asks whether this…

Read more »

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

£10,000 invested in easyJet shares at the start of 2026 is now worth…

Anyone buying easyJet shares will have endured a rough ride since January. Paul Summers wonders whether things could get even…

Read more »

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

5 years ago, £5,000 bought 2,645 Barclays shares. But how many would it buy now?

Despite delivering an impressive return since April 2021, Barclays' shares have lagged the FTSE 100's other banks. James Beard considers…

Read more »

Side of boat fuelled by gas to liquids, advertising Shell GTL Fuel
Investing Articles

5 years ago, £5,000 bought 354 Shell shares. But how many would it buy now?

When it comes to Shell’s numbers, most of them are impressive. And it’s no different when looking at the recent…

Read more »

A rear view of a female in a bright yellow coat walking along the historic street known as The Shambles in York, UK which is a popular tourist destination in this Yorkshire city.
Investing Articles

I asked ChatGPT if I should buy Aviva, Diageo or BAE Systems stock and it said…

Aviva, Diageo and BAE Systems shares are popular FTSE 100 picks. But which of the three does ChatGPT like the…

Read more »

Tesla car at super charger station
Investing Articles

SpaceX’s IPO threatens to leave the Tesla share price on the forecourt

As Elon Musk starts fuelling the engines for a SpaceX IPO, could the Tesla share price get left in the…

Read more »