Buy to let investing: a practical beginner's guide
Learn how buy to let investing works: returns, financing, hidden costs, risks and a step-by-step plan to assess and buy your first rental property.
Buy-to-let investing12 min read
Enter the price, rent and costs of a rental property to see its gross yield, net yield, cap rate and cash-on-cash return side by side. Add your loan to see the monthly cash flow after mortgage payments.
| Net operating income (year) | €12,000 |
|---|---|
| Loan payments (year) | -€10,768 |
| Cash flow before tax per year | €1,232 |
| Cash flow before tax per month | €103 |
| Your cash invested | €90,000 |
| Loan repaid in year 1 Not included in cash flow, but builds equity | €4,041 |
Runs entirely in your browser. No data is sent to a server.
Gross yield divides the annual rent by the purchase price. Net yield first subtracts vacancy and the running costs you pay yourself, and divides by the total cost including purchase costs, so it is always lower and more realistic.
Both use net operating income. Cap rate divides it by the price (or current value) only, while this calculator's net yield divides by price plus purchase costs. Cap rate is mainly used to compare properties with each other.
It divides the yearly cash flow after loan payments by the cash you actually put in (price plus costs minus the loan). It shows how hard your own money works, including the effect of financing.
No. Results are before income tax, because tax rules differ by country and personal situation. Ask a tax adviser how rental income is taxed for you.
No. All calculations run in your browser and nothing you enter is sent to a server.
Learn how buy to let investing works: returns, financing, hidden costs, risks and a step-by-step plan to assess and buy your first rental property.
Buy-to-let investing12 min read
Cap rate measures a property's income; cash on cash return measures your money after the mortgage. See formulas, worked examples and when to use each.
Buy-to-let investing7 min read
Step-by-step formulas for gross and net rental yield, with a worked example, the costs to include and the mistakes that make a property look better.
Buy-to-let investing8 min read
Calculate rental property cash flow step by step: rent, vacancy, operating costs and mortgage payments, with a worked example and a stress test you can copy.
Buy-to-let investing8 min read
There is no single magic number. Learn how to set your own minimum rental yield based on costs, financing, risk and growth, with worked examples.
Buy-to-let investing7 min read
Work out your monthly mortgage payment, total interest and a year-by-year amortization schedule. Compare repayment and interest-only, test overpayments.
Split service charges and shared utility costs between flats by floor area, equal shares, occupants or ownership shares. See each unit's balance instantly.
Calculate a new rent from a percentage or an index (CPI) change, apply a cap or trigger threshold and see the increase per month and per year. Free tool.