Do banks finance a second property?

Q: Do banks finance a second property?

Belgian banks finance the purchase of a second property for rental purposes, but conditions are stricter than for a primary residence. The National Bank of Belgium (NBB) recommends a deposit of at least 20% for an investment property (versus 10% for own housing). The overall debt ratio (all loans combined) must not exceed 50 to 55% of net income. Banks factor in 70 to 80% of expected rental income when calculating borrowing capacity.

5 min read Verified on May 13, 2026 By Edouard Hennin

Quick answer

Yes, banks finance a second property provided the personal deposit is at least 20 to 30% and the overall debt ratio remains below 50%.

Do banks finance a second property?

Illustration — Do banks finance a second property? alt="do banks finance a second property?"

Banks do finance second properties

Quick answer

Yes, Belgian banks finance investment properties but with stricter conditions: minimum 20-30% deposit, overall debt ratio under 50%, and they count only 70-80% of expected rental income for borrowing capacity. A mortgage broker can help negotiate better terms.

Key differences between first and second property financing:

Criterion	Primary residence	Investment property
Maximum LTV	90% (100% in exceptions)	80%
Minimum deposit	10%	20-30%
Debt ratio limit	50%	50% (all loans combined)
Rental income considered	N/A	70-80% of expected rent
Interest rate	Standard	+0.1 to 0.3% premium

How to maximise your approval chances

To improve your chances of financing a second property:

Reduce existing debt: pay off consumer loans and credit cards
Increase your deposit: aim for 25-30% rather than the minimum 20%
Document rental income: provide a signed lease or market rent estimates
Show management capacity: demonstrate you can manage the property effectively
Use a mortgage broker: they know which banks are most favourable for investment loans
Choose the right property: banks prefer properties with strong rental potential

Practical tip

Before approaching banks, calculate your debt ratio yourself. Add all monthly loan payments (including the new mortgage) and divide by your net monthly income. If the result exceeds 45%, you may need a larger deposit to compensate.

Understanding the debt ratio

The debt ratio (taux d’endettement) is the primary tool banks use to assess your borrowing capacity:

Debt ratio = Total monthly loan payments / Net monthly income x 100

Example:

Net monthly income: 4,000 EUR
Existing mortgage: 800 EUR/month
New investment mortgage: 600 EUR/month
Debt ratio: (800 + 600) / 4,000 = 35% — within acceptable limits

Banks may accept up to 50-55% when rental income is factored in, but 40% or below is the comfort zone.

Regional specifics

Brussels-Capital Region

Brussels properties require higher loans due to elevated prices. Banks may apply a risk premium. The Ordinance of 27 July 2017 does not affect financing conditions but may impact property costs.

Wallonia

Walloon properties offer lower entry prices, making financing more accessible. Registration duties of 12.5% must be funded. The Decree of 15 March 2018 does not affect financing.

Flanders

Flemish properties have 12% registration duties for investment purchases. The Flemish Housing Rental Decree of 9 November 2018 does not directly impact financing but EPC renovation obligations may affect the investment case.

Legal basis

NBB (National Bank of Belgium) macroprudential recommendations on mortgage lending, updated regularly. Banks are free to set their own criteria within NBB guidelines.