Guide
Rent vs Buy: What Should You Consider?
The inputs that decide the comparison, and the costs people leave out of the buying side.
How long you will stay comes first
Buying carries large one-off costs — legal fees, taxes, agent fees, moving. Spread across two years they are punishing; across fifteen they nearly disappear. Before comparing monthly figures, answer honestly how long you expect to stay.
As a rough guide, short horizons favour renting almost regardless of interest rates, while long horizons favour buying whenever prices hold up.
Rent compounds, mortgages mostly do not
A fixed mortgage payment stays flat in nominal terms while rent tends to rise every year. Over twenty years a few percent of annual rent increase changes the total dramatically, which is why a flat rent projection is misleading.
The opposite is true for a variable-rate mortgage, where the payment itself can move. If your rate is not fixed for the full term, test a higher rate before deciding.
The costs owners forget
Maintenance is commonly estimated at around 1% of property value per year. Add property taxes, building insurance, service charges where they apply, and the repairs a landlord used to handle.
None of these appear in a mortgage quote, which is why a mortgage payment equal to your rent is not a like-for-like comparison.
Appreciation is an assumption, not a fact
Property value at the end of the term is usually the single most influential number in the comparison, and it is the one nobody can know. Run the calculation at 0%, at a modest rate, and at your local long-run average. If buying only wins under the optimistic case, treat that as a warning.
Then consider the parts money does not capture
Renting buys flexibility and offloads risk. Owning buys stability and control. Both have real value that no calculator prices, and for many people they matter more than the difference in totals.
Frequently asked questions
Is there a break-even number of years?
It depends on your rent, rate and appreciation. Short horizons usually favour renting; long ones usually favour buying when prices hold. Run the comparison for your own numbers rather than relying on a rule of thumb.
Why does the calculator exclude maintenance and taxes?
They vary too widely by location to generalise. Add them mentally as a monthly cost on the buying side, or lower the appreciation rate to compensate.
Does renting mean throwing money away?
No. Rent buys flexibility and offloads repair risk, and the money not tied up in a deposit can be invested. The comparison is about totals, not about one side being wasted.
Conclusion
How long you will stay is the single most important input. Rent compounds upward while a fixed mortgage mostly does not, but buying carries costs a quote never shows. Run the numbers at a cautious appreciation rate, then weigh the non-financial factors no calculator can price.