Both can make you wealthy. They ask for completely different things, and most comparisons cheat by ignoring what property demands and what index funds lack.
Where property genuinely wins
- Leverage. This is the big one. A bank will lend you 80% to buy a flat at a modest rate, with no margin call. Nobody will do that for an index fund. Leverage is property's real edge, and it is not a small one.
- Control. Renovate, re-let, renegotiate. You can actively improve the asset; you cannot improve an index.
- Inflation linkage. Rents tend to track inflation while a fixed-rate mortgage does not — inflation quietly erodes your debt.
Where index funds genuinely win
- Effort. A standing order versus a second job. Property is not passive income; it is a small business.
- Diversification. One fund, thousands of companies, dozens of countries. One flat is one building, one street, one tenant, one local economy.
- Liquidity and divisibility. Need 20% of your money? Sell 20%. You cannot sell the bathroom.
- Costs. No transfer tax, no agent, no notary, no boiler.
The comparison people get wrong
Landlords compare a leveraged property return against an unleveraged fund return and declare property superior. That is not a comparison of assets — it is a comparison of leverage. Compare like with like, then add leverage back as the separate advantage it is.
The other systematic error is ignoring your own labour. If managing two flats takes you a weekend a month, that is a real cost. Price it, or admit you are buying a job you enjoy.
The question that actually decides it
Do you want to run a small business, or do you want to own assets? Both are respectable. Only one requires you to answer the phone.
Summary
If you will use the leverage, do the work, and buy well, property can beat an index fund. If you will not do the work, an index fund will beat a badly run rental every time — and most rentals are run badly by people who wanted passive income and got a second job instead.