A broker is not required but can be helpful
No, using a broker is not legally required. A mortgage broker can negotiate better rates across multiple banks (paid by the bank, free for you). An estate agent can find properties and negotiate (charges 3-5% commission). For a first investment, a mortgage broker is generally worth using.
Two types of brokers are relevant for property investment:
| Type | Role | Cost to investor |
|---|---|---|
| Mortgage broker | Negotiates loan terms with multiple banks | Free (paid by bank) |
| Estate agent | Finds properties, negotiates price | 3-5% of sale price |
What each broker type offers
Mortgage broker (courtier en credit):
- Compares offers from 10+ banks simultaneously
- Negotiates interest rates and conditions
- Handles paperwork and administrative steps
- Particularly useful for second property financing
- No cost to the borrower (remunerated by the lending bank)
Estate agent (agent immobilier):
- Identifies properties matching your investment criteria
- Provides market knowledge and price guidance
- Handles viewings and purchase negotiations
- Must be IPI-registered in Belgium
- Commission of 3-5% of the purchase price (typically paid by seller)
For financing, always use a mortgage broker — it costs you nothing and typically saves 0.1-0.3% on your interest rate, which represents thousands of euros over the loan term. For property search, consider going direct if you know the market.
When a broker is most valuable
A broker adds the most value when:
- You are buying your first investment property (unfamiliar process)
- You need financing for a second or third property (stricter bank criteria)
- You are investing in an unfamiliar region (need local market knowledge)
- You have limited time to compare banks or visit properties
- You want to access off-market properties (agent networks)
For experienced investors with established banking relationships, going direct can save the agent commission.
Regional specifics
Brussels-Capital Region
Brussels has a large number of IPI-registered agents. The Ordinance of 27 July 2017 governs residential leases. Mortgage brokers are particularly useful for Brussels investments given the higher loan amounts.
Wallonia
In Wallonia, local agents have strong market knowledge. The Decree of 15 March 2018 applies to leases. Mortgage brokers can help navigate the 12.5% registration duty landscape.
Flanders
In Flanders, the market is dynamic. The Flemish Housing Rental Decree of 9 November 2018 applies. Registration duties are 12% for investment properties.
Royal Decree of 6 September 1993 (IPI registration for estate agents). Law of 22 March 2006 on intermediation in banking and investment services (mortgage brokers). FSMA supervision applies.