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Is buying a flat or house to rent out worth it?

by Patrik Pilous
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Renting out a flat as an investment
Vesměs existují tři skupiny lidí. Lidé co nikdy nic nepronajímali a myslí si, že je to velice jednoduchý zdroj příjmů tzv. easy money. Druhá skupina pronajímá, avšak nevydělává tak, jak by si představovala. Třetí skupina pak umí pronajímat a vydělává vysoké finanční prostředky pronájmem bytů i jiných nemovitostí. U investičního pronájmu můžeme částečně hovořit about passive income, but one that requires good intuition and some initial setting up.

Investing in a flat or other property

Investing in property is usually the right choice. Even if you do not buy at a good price, over time you will find that it was money well invested. Although in 2018 most properties are above their real value, demand for flats and other properties remains high. Put simply, a buy-to-let investment means: I have a flat to live in, but I have bought another one to rent out. In short, this is how I store my money. Every flat or house has costs that keep it in a usable, functional condition. Landlords try to keep these costs as low as possible. “Renting out a flat as an investment.” The upkeep costs of a flat should keep its value at the same level as the purchase price. The state of the property market and the country’s economic situation also have a strong influence on flat prices. If we compare 2008 and 2018, prices are roughly 50% higher.

How can you tell whether renting out a flat pays off for the landlord?

The key is to keep spending on the flat as low as possible while charging the highest rent you can. Where is the line between a good and a bad deal? A rent of 5,000 CZK (about 230 USD) is very decent for a flat you bought, for example, in Děčín for 600,000 CZK (about 28,000 USD). On the other hand, the same rent is no longer very profitable for a flat in Plzeň that cost you 1,250,000 CZK (about 57,000 USD). “Value for money.” The highest profits are often made on flats with very low purchase costs, which may even be in deprived areas. From the landlord’s point of view, it pays to place a family in such flats whose rent is covered by the authorities. There are many known cases in the Czech Republic where the owner of a flat worth 400,000 CZK (about 18,000 USD) received 12,000 CZK (about 550 USD) net a month in rent. Such a flat pays for itself within three years! The example above is extreme and non-standard, and it does not reflect market rents.

What return should an investment flat deliver?

An important question with many answers. Everyone agrees that three years is more of an unrealistic dream with market rents. Let us look at a model situation with a flat costing 1,300,000 CZK (about 60,000 USD). You have a spare one million three hundred thousand. What should you do with it? You have chosen a 2+1 flat on the edge of Beroun for 1,300,000 CZK (about 60,000 USD). You bought the flat at auction, so more cheaply than usual, when it would be valued at between 1,400,000 CZK (about 64,000 USD) and 1,600,000 CZK (about 74,000 USD). You plan to rent it out and have spent only a small amount on improving it, but you also paid the property acquisition tax. You are now at 1,400,000 CZK (about 64,000 USD), so what rent is profitable for you and also acceptable to the market? 8,000 CZK (about 370 USD) seems to be an acceptable rent for the flat. Under ideal conditions, your investment will then pay for itself within 15 years. A payback period of up to 15 years is still considered a good return on investment. However, if you collect only 5,000 CZK (about 230 USD) a month for the same flat, it will take almost twice as long to pay for itself. On top of that, you need to factor in a complete renovation, which is done roughly every 25 years, and? At that point there is no direct or quick profit to be seen, rather just money stored away.

15 to 20 is the sweet spot for payback on investment flats

If you want to make money from a flat or other property, and call it that, the payback period should be at least 15 to 20 years. Investments with a payback period of over 20 years can no longer be counted as strategic investment in flats. Calculating the payback period and assessing your own situation is essential when deciding whether to invest your money and time in renting out one or more flats. Time is a factor this article has not taken into account, but as all landlords know: renting out is not an annuity, but a job. In the introduction I write that renting cannot be fully classed as passive income unless you have an agent who takes care of the entire rental process and communication with the tenant. This mainly involves drawing up a favourable tenancy agreement, drobné opravy a případné vymáhání nájemného.

USD amounts are approximate, converted at the Czech National Bank rate of 21.75 CZK per USD on 9 October 2026.

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