ETFs

ETF Buyers Checklist (UK)

There are some very important considerations in choosing an ETF to buy that are totally in your control. This post explains why you should know about transaction costs, FX fees, Domincile and reporting status to name but a few.

Baron Barnet

15 Feb 2026 — 2 min read

In investing, as in life, you should only worry about the variables you can control. Once you’ve selected an index, the market's performance is up to, well the market. However, the way you buy that index is entirely up to you. There are a handful of 'gotchas' in the ETF world that, if missed, allow your broker or the taxman to feast on your hard-earned capital before you’ve even started.

To show you what I mean, let’s look at two investors, "Hasty Harry" and "Checklist Charlie." Both have £100,000 to invest in the exact same Emerging Markets fund.

The fund I’ve used for illustration purposes is the Amundi Prime Emerging Markets ETF

The Tale of Two Trades: £100,000 Investment

Step	Hasty Harry (The "Everything Wrong" Way)	Checklist Charlie (The Checklist Way)
Ticker Choice	Buys PRAM (The USD version) because it was the first result.	Buys PRAN (The GBP version) specifically to match his account.
FX Fee	£500 (Broker charges ~0.50% to convert his £100k to USD).	£0 (No conversion needed for a GBP ticker).
Timing	Trades at 8:02 AM, right as the London market opens.	Trades at 2:00 PM, when liquidity is highest and markets are "awake."
The Spread	£600 (Spreads are widest at market open, say 0.6%).	£200 (Spreads narrow midday, say 0.2%).
Domicile Check	Ignores it. Buys a US-domiciled ETF.	Checks ISIN. Buys an Ireland-domiciled (IE) ETF.
Hidden Tax	Risks a 40% US Estate Tax trap if he dies.	Safe. Irish ETFs are excluded from UK/US inheritance tax for many.
Reporting Status	Buys a "cool" niche ETF with no UK reporting status.	Confirms "UK Reporting Status" on the fund factsheet.
Final Tax Bill	HMRC taxes his gains as Income (up to 45%).	HMRC taxes his gains as Capital Gains (up to 24%).

The Result on Day 1

Hasty Harry looks at his screen and sees £98,896. He has lost £1,104 before the market has even moved a single inch. He’s also sitting on a tax time bomb that could eventually cost his family 45% of his profits or 40% of his total wealth.
Checklist Charlie looks at his screen and sees £99,796. He’s only "down" £204 (mostly just the unavoidable bid-ask spread). He sleeps soundly knowing his tax bill is minimized.

Why the "Everything Wrong" Way is so common

The reason Harry messed up isn't that he's a bad investor; it's that brokers make it easy to mess up. They’ll happily let you buy a USD ticker with a GBP account because that FX fee is pure profit for them. They won't warn you about "Reporting Status" because they aren't tax advisors.

My Personal Takeaway

The "Checklist Way" isn't about being a genius; it's about being a bit of a pedant. Before I click that "Buy" button now, I ask myself three questions: