Property Viability Calculator

Compare buying vs renting, or analyse the returns from investment property

Property & Mortgage
CZK
%
= 1,000,000 CZK · Mortgage: 4,000,000 CZK
% p.a.
years
Monthly payment:
Rent & Costs
CZK/mo.
% of price/yr
Insurance, management, repairs, property tax
mo./year
%
Czech flat-rate deduction of 30% reduces effective rate to ~10.5%
Outlook & Investment Horizon
% p.a.
% p.a.
years
Gross rental yield
annually on purchase price
Monthly cashflow (yr 1)
after mortgage, costs & tax
Total ROI
over 20 yrs on down payment
Annual return (CAGR)
avg. p.a. on down payment

Results are indicative. Inflation, tax law changes, and cashflow reinvestment are not modelled. Annual costs are fixed at a percentage of the purchase price.

Buy with a Mortgage
CZK
%
= 1,000,000 CZK · Mortgage: 4,000,000 CZK
% p.a.
years
Monthly payment:
% of price/yr
Insurance, repairs, property tax
Rent & Invest
CZK/mo.
What you would pay renting a comparable property
% p.a.
Average annual return on investment (ETF, index fund); historically ~7–10% p.a.
Outlook
% p.a.
% p.a.
years
Buy – equity
property value minus mortgage after 20 yrs
Rent + Invest – portfolio
portfolio value after 20 yrs
Better scenario earns extra
Break-even point
year when scenarios equalise

Results are indicative. Inflation and tax effects are not modelled. Market return is a constant average. After the mortgage is paid off, ownership costs drop to a minimum.