Real estate investment calculator

Enter property details – a free account is required to run the calculation. The full analysis (score, property comparison, benchmarks, PDF, unlimited saves) is available in the Pro plan.

Property details

Location (optional)

Market data loads automatically

Purchase price

Transfer tax

Purchase costs

Lawyer fee, valuation, agent fee, etc.

Floor area

m²

For market comparison

Rental

Expected monthly rent

Monthly common charges

Building common charges, deducted from cash flow.

Who pays the common charges?

Owner (included in rent)Tenant (on top of rent)

Monthly utilities

Utilities (water, gas, electricity). Only fill in if YOU (the landlord) pay them — if the tenant pays, leave at 0.

Annual maintenance

Vacancy rate

Tax mode

No tax (own residence)10% cost ratio (flat)Itemized deductionsWe deduct from the rent: 2% annual depreciation + the common charges, utilities and maintenance you pay. The tax is 15% of what remains.

Mortgage

Otthon Start was discontinued on 27 October 2026. Its successor, the Wekerle Plusz loan (3–5%), is only available for owner-occupied homes – the property cannot be rented out for 5 years, so use a market rate for investment properties. If you still have an Otthon Start loan, enter your own rate.

Loan amount

Interest rate

MNB average market mortgage (2026 Q3). Edit to match your bank offer.

Loan term

years

MNB base rate: 5,50 % (since August 26, 2026).

Forecasts

Expected annual appreciation

Annual inflation

Based on KSH (September 2026). You can edit.

Holding period

years

In how many years you would sell (1–30 years)

Selling costs

Enter your property details, then start the calculation – results will appear here.