Let smartly. Invest sustainably.
Since 2011, we have been helping property owners and investors secure their rental income and sustainably enhance the value of their property portfolio.
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A rental built to last
A successful rental is not simply about finding a tenant. It rests on the right balance between a well-positioned rent, rigorous selection and a solid legal framework. The essential foundations of a high-performing property investment.
More than 250 property owners entrust us each year with the letting of their property in Brussels and Walloon Brabant.
How to let your property
Setting the right rent
Setting the right rent is essential to avoid vacancy periods. We analyse the market to position your property at the correct price.
Prepare and present your property
We support you in presenting your property at its very best. A thorough administrative file, professional photography, videos and virtual tours help attract more qualified applicants.
Targeted marketing
We devise a rental strategy tailored to your needs. Your property is advertised on the main property platforms and through our network (relocation agencies, database, etc.)
Our goal: reach serious tenants quickly.
Viewings and tenant selection
We organise viewings, assess applications and vet profiles to present you with reliable tenants. You can track the progress of the letting in real time via our online platform: 'MY J&J'.
Signing and set-up
We take care of drafting and signing the lease and we organise the inventory of fixtures.
We support you until the tenant moves in and remain available for your questions after their arrival.
Psst... If you wish, we can even carry out the inventory of fixtures.
Free yourself from rental hassles
Once the property is let, you become the tenant's main point of contact and must handle day-to-day follow-up. If you would prefer to free yourself from these constraints, our rental management team, J&J Management, can take over. A fully managed solution designed to give you peace of mind and save you time.
Ready to let your property with complete peace of mind?
Start with a free, no-obligation valuation of your rental income, then let us support you in finding a reliable tenant and securing your rental from start to finish.
What you gain with J&J
More time
We manage the entire process, from rental valuation to lease signing.
Greater peace of mind
Each stage is overseen by a dedicated point of contact who ensures the security of your file.
Greater income
A well-positioned rent and effective marketing to maximise the potential of your property.
Reliable tenants
Rigorous selection to encourage lasting rental relationships and minimise risks.
Greater security
Lease, inventory of fixtures, guarantees and administrative formalities are all handled in compliance with regulations.
Greater visibility
Track viewings, applications and key milestones of your file in real time via your My J&J space.
Because the best rentals are part of a long-term vision, we have developed the Investor Cycle: a holistic approach that connects investment, optimisation, rental, management and sale in order to sustainably maximise the value of your property portfolio.
The investor cycle
Invest
Search, identify and acquire the best opportunities
For whom
Investors, entrepreneurs and wealth-minded profiles who wish to grow their property portfolio without managing the operational complexity.
Our promise
Build a coherent and high-performing property investment strategy across the entire property cycle.
In practice
Targeted search, financial analysis, project structuring, acquisition support, value enhancement and integrated exit strategy.
Optimise
Maximise the value of your property
For whom
Owners and investors who wish to audit, improve the performance, value or clarity of their existing portfolio.
Our promise
Unlock the full potential of your property portfolio.
In practice
Global audit of your property portfolio, strategic recommendations, rental optimisation, renovation plan, restructuring or repositioning of assets.
Rent
Find the best tenants
For whom
Owners wishing to let quickly and efficiently whilst securing an optimal rental income.
Our promise
Maximise and secure your rental income.
In practice
Rental valuation, property presentation, targeted marketing, rigorous tenant selection and lease management.
Manage
Simplify day-to-day management
For whom
Owners who wish to hand over the day-to-day management of their properties with complete confidence.
Our promise
Serene, transparent and professional management.
In practice
Administrative, financial and technical management. Tenant monitoring, coordination of interventions and clear reporting.
Sell
Achieve the best return on your investment
For whom
Owners and investors looking to arbitrate, dispose of or restructure their portfolio.
Our promise
Sell at the right time, with a clear and well-considered strategy.
In practice
Timing analysis, property valuation, sales strategy, and support through to and after the signing of the deed.
The Rental team
Marie Van Rymenant
Real Estate Agent
Julie Hatert
HR & Accounting
You?
Apply here
What our clients say about us
Our favourite properties
Make an offer'Marius' - Prince d'Orange
'Léon ' - Sainte-Alix / Stockel
'Lucie' - Brugmann / Héros
'Arena_A11C' - Quartier Paduwa
'Charles'
Under option'Pierre' (Parc de Woluwe)
'Nicolas'
'Emeraude' - PLASKY
'Ponthier 122/1'
Souverain 1G
'Lara' - Gribaumont / Tomberg
Under option'Paul'
Explore our guides and tools
Online valuation
Discover the value of your property in just a few clicks
Browse the most frequently asked questions.
You no longer wish to chase files, tradespeople, banks or tenants.
You may send us a complete file via our online form or by email. We recommend gathering all supporting documents quickly (identity document, payslips, etc.) so as not to miss a viewing. Once your file has been submitted, our team will review it and contact you to register you as a candidate for the property. We manage viewings on the basis of these prior applications.
You refuse to let chance or poor advice jeopardise millions of euros of assets.
Belgian law limits the documents that may be requested. In practice, you should prepare: an identity document, proof of income (payslips, tax assessment notice or bank statements) and rental references (attestation from the previous landlord if possible). In accordance with the regulations, the landlord may only request information relating to your identity, your contact details and your financial resources (and not the specific nature of your income)
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To select a reliable tenant, we focus primarily on solvency and rental history: stable income (ideally ≥3 times the monthly rent), a permanent contract or secure employment situation, no negative credit file, and all previous rent paid on time. We also check for any disputes (payment incidents) via public records. Criteria are applied fairly, without unlawful discrimination and in compliance with privacy regulations (we will not ask for your health status or criminal record)
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The so-called 'main residence' lease follows the default rule of 9 years. There is also the short-term lease (≤ 3 years) and the student lease (12 months). Under a standard 9-year lease, the tenant may give notice with 3 months' notice at any time (every 3 years), whilst the landlord must give 6 months' notice if they wish to recover the property before the end of the term. Under a 3-year lease, the notice period is 3 months for either party. These arrangements are set out in detail in housing legislation.
You want your investments to have a lasting impact, aligned with today's environmental and societal challenges.
The lease is drawn up in the administrative language of the region: in Wallonia, it is drafted in French. In Brussels, it may be in French or Dutch depending on the preference of the landlord and tenant, or even bilingual. We generally provide the lease in French for our French-speaking clients, with a Dutch version available upon request if required.
You need a clear vision and comprehensive support to navigate the legal, fiscal and technical aspects.
This depends on local demand and the asking price. A flat correctly priced and in good condition can find a tenant within a matter of weeks. In practice, from the date of publication, allow generally 2 to 6 weeks to finalise a rental. We optimise the listing and viewings in order to minimise vacancy periods as much as possible.
Once the lease has been signed and the deposit plus first month's rent paid (via rental guarantee), you may move in on the possession date stated in the contract (often the 1st of the month following the signing). We agree together on a date for the entry inspection and handover of keys, generally shortly after the lease is signed.
'Under option' means that a potential buyer (or tenant) has signed a purchase or rental option agreement. During the option period, the property is withdrawn from the market and reserved for that person. The seller undertakes not to consider other offers. In practical terms, the option gives you an agreed period (determined between the parties) to finalise your decision. If you exercise the option before it expires, the sale (or rental) becomes binding.
On our website, each property generally has a viewing appointment tool. You may select the date and time that suits you. To modify or cancel, simply notify us by phone or email (at least 24 hours in advance).
If you have saved criteria on our website (for example in your 'My Account' area), you may add or remove criteria at any time (budget, geographical area, property type, etc.). This allows us to notify you automatically of new listings matching your preferences. You may also send us your new priorities directly by email; we will update your profile in our database.