Understanding rent and housing costs

Why rent dominates the budget

For most households, housing is the largest single expense — often a third or more of net income. That makes the rent index the most consequential of the six categories we track. A country can have cheap groceries, transport and dining and still be hard to afford if rent is high, because the housing gap is large in absolute terms while the savings on smaller categories are modest.

A few practical consequences follow:

• When two countries have a similar overall index, the one with cheaper rent usually feels more affordable in daily life.
• A high rent index hits renters and recent movers hardest; long-term owners are more insulated.
• Rent is where the gap between the national average and the capital is widest — see the caution below.
• If your income is fixed, minimising rent is the fastest way to stretch it.

What the rent index measures

The housing price level captures the cost of actual and imputed rents for housing on the same EU-27 = 100 scale as the overall index. It reflects what comparable accommodation costs, benchmarked against the EU average. An index of 130 means housing is roughly 30% above the EU norm; 70 means about 30% below. Because it is purchasing-power-comparable, it lets you line up a Nordic capital against an Eastern European city without exchange-rate noise.

What it does not capture:

• City-level variation — capitals and major cities run well above the national figure.
• Property purchase prices — the index is a rental price level, not a house-price index.
• Quality and size differences between markets, which the standardised basket smooths over.

The national-average trap

The single biggest mistake when using rent data is to read a national average as if it were the price in the capital. Housing is intensely local: rents in Bulgaria's capital can be double the rural average, and the same is true almost everywhere. Use the country rent index to compare countries to each other, then adjust upward for any major city you are actually considering. A country that looks cheap nationally may not be cheap in the one place you would live.

How to use the rent index

A simple, honest workflow:

• Start from the cheapest-rent ranking to shortlist countries.
• Open each country's profile to check whether cheap rent comes with low income — see best value.
• Adjust for your target city, since the national figure understates capital-city rents.
• Run your own number on the calculator, which scales income by the overall price level.

Treat the rent index as the heaviest input to an affordability decision, not the only one. Pair it with income and the other categories for the full picture.

Why housing refuses to converge

Of all the categories in the basket, housing is the one that varies most between countries, and the reason is fundamental: a flat cannot be shipped across a border. Tradable goods arbitrage their own prices away — if phones are cheaper in one country, traders buy there until the gap closes — but nobody can import a Berlin apartment into Lisbon. Housing prices are therefore set entirely by local supply and demand: how much land is available, how quickly new homes are built, how many people want to live in the desirable cities, and how local wages and credit feed into what buyers and renters can pay. Those forces differ enormously across Europe, so the rent index ranges far wider than any other category.

For anyone using the data, two practical rules follow. First, weight rent most heavily, because it is both the largest expense and the one where the country-to-country difference is biggest in real money. Second, never trust the national average for the city you will actually live in. Capitals and major employment hubs run well above the country figure, sometimes by half again, while smaller towns sit below it. The national rent index is the right number for comparing countries to each other; it is the wrong number for setting your own housing budget. For that, take the country figure as a starting point and adjust upward for the specific place you have in mind.

The bottom line

Housing is the line that decides affordability because it is both the biggest expense and the one that varies most between countries. Weight it accordingly, never trust the national average for the specific city you will live in, and pair the rent ranking with income before you conclude that anywhere is cheap. Get the housing assumption right and the rest of the budget tends to fall into place.