Company portrait
Profile and services
- Primary profession
- Property developer
- Location
- Woluwe-Saint-Pierre, Belgium
- Specialism
- –
- Other professions
- –
- Online consulting
- Not stated
- Coverage
- Regional
- Languages
- English
- Profile status
- Editorially documented
- Website
- www.jj-properties.be/
Profile at a glance
- Profession
- Property developer
- Focus
- Not stated
- Location
- Woluwe-Saint-Pierre
- Languages
- English
- Online consulting
- Not stated
- Data as of
- 06/10/2026
- Google data checked
- 06/10/2026
What to look for in Woluwe-Saint-Pierre
With developers in Woluwe-Saint-Pierre, review completed reference projects, the specification and the MaBV safeguards.
Editorial note for orientation – not legal or investment advice.
How the first contact works
- 1
Describe your interest in a project or plot.
- 2
Receive documents: specification, plans, payment schedule.
- 3
Consultation, possibly a visit to reference projects.
- 4
Notarised developer contract with payment by construction progress (MaBV).
Common questions before you enquire
When do I pay a developer?
Under the German MaBV regulation, in instalments by construction progress, not in advance.
What should I check before signing?
Specification, completion date, references and financial standing. The notary must send the draft two weeks in advance.
Guides on this topic
Profile summary
J&J Properties - Agence immobilière Woluwé (Bruxelles) at a glance
J&J Properties is a Brussels real estate agency whose company history, according to its website, began in 2011. The provider listed here is associated with Woluwe-Saint-Pierre, and the website also features an apartment listing in that municipality. The company serves property owners and investors, combining brokerage with services relating to acquisition, letting, management and the optimisation of existing assets.
Under the name “Cycle de l’Investisseur”, J&J describes an approach linking different stages of property investment. Listed activities include targeted property searches, financial analysis, project structuring and acquisition support, alongside portfolio reviews, renovation planning and asset repositioning. For landlords, services include rental valuation, property presentation, tenant selection and contract arrangements. Administrative, financial and technical rental management and sales support are also offered. The company’s account additionally mentions the management of jointly owned buildings.
Although this directory entry is categorised under property development, the supplied material primarily documents brokerage, management and investment-related advisory services. It does not describe acting as a developer in its own right or delivering complete new-build projects. Responsibilities for construction-related assignments should therefore be clarified before engagement.
Automatically summarised from the company's publicly available information, as of 06/10/2026. Not individually verified by the editors. Sources: jj-properties.be, jj-properties.be
Services according to the company
- Property and rental valuation
- Targeted searches for investment properties
- Financial analysis and investment project structuring
- Property acquisition support
- Portfolio reviews and strategic asset optimisation
- Renovation planning and asset repositioning
- Letting, including property presentation, tenant selection and contract arrangements
- Administrative, financial and technical rental management
- Sales strategy and property sales support
- Management of jointly owned buildings
Editorial context
Working with a provider in Woluwe-Saint-Pierre – what matters
When selecting a property developer in Woluwe-Saint-Pierre, first establish the actual assignment: finding an investment property, improving an existing asset, or developing and delivering a construction project. These tasks require different services and responsibilities. For J&J Properties, the documented activities particularly concern acquisition support, asset optimisation, letting and management. They do not automatically establish responsibility for design, permits or construction.
For an investment assignment, it is useful to discuss the assumptions underlying the proposed financial analysis. These include purchase price, potential rental income, vacancy, operating costs and planned renovations. Prospective clients should ask which findings will be provided in writing and how alternative courses of action will be compared. Where renovation planning or asset repositioning is proposed, it is important to distinguish strategic recommendations from detailed planning and actual implementation.
If the property is subsequently to be let and managed, the scope should clearly describe tenant selection, contract arrangements, technical support and reporting. Approval procedures for works, responsibility for resolving problems and the handover between acquisition advice and management also deserve attention.
Before engagement, fees, possible additional costs, contact persons and a timetable should be agreed transparently. References for comparable assignments can help establish relevant practical experience. The supplied sources provide no substantiated details on fees or specific development projects, so a direct enquiry is appropriate. These points offer general guidance and do not replace an individual professional or legal assessment.
Editorial context based on documented profile details, as of 06/10/2026. General information, not legal or investment advice.
Opening hours
- Monday: 9:00 AM – 6:00 PM
- Tuesday: 9:00 AM – 6:00 PM
- Wednesday: 9:00 AM – 6:00 PM
- Thursday: 9:00 AM – 6:00 PM
- Friday: 9:00 AM – 6:00 PM
- Saturday: Closed
- Sunday: Closed
Source: Google, as of 06/10/2026
Questions & answers
Does J&J Properties undertake complete property developments or new-build projects?
The website lists project structuring, renovation planning and asset repositioning. The supplied material does not describe complete new-build development or acting as a developer in its own right. Whether a particular assignment can be undertaken should be checked directly through the contact form.
What support is available to property investors?
Listed services include targeted property searches, financial analysis, project structuring and acquisition support. They also include portfolio reviews, strategic recommendations, rental optimisation and the integration of a future sales strategy.
Can J&J both let a property and manage it afterwards?
Yes. The website describes rental valuation, property presentation, targeted marketing, tenant selection and contract arrangements. Subsequent management includes administrative, financial and technical tasks, tenant support, coordination of interventions and reporting.
Does J&J also manage jointly owned buildings?
Yes. The company description mentions its “syndic” service and the management of jointly owned buildings. Details of the scope should be requested through the contact form.
What fees and contract terms apply?
The supplied sources do not provide fees or contract durations. A quotation for the required scope should be requested directly through the contact form.
Experiences & reviews
Experiences and reviews of J&J Properties - Agence immobilière Woluwé (Bruxelles)
Here we collect client experiences and publicly available reviews. Every review on our site is checked by the editors before publication.
Reviews on our site
There are no verified reviews for J&J Properties - Agence immobilière Woluwé (Bruxelles) here yet.
The bars fill as soon as the first verified review is published.
Google reviews of the company
4.4out of 5 on Google · 125 reviews
For these 125 reviews Google only publishes the overall score and count, no breakdown by stars and at most 5 individual review texts. A star distribution could therefore not be substantiated. As of 06/10/2026.
See all reviews on GooglePositive voices
No positive reviews published yet.
Critical voices
No critical reviews so far.
Selected reviews on Google
The supplied Google data reports a rating of 4.4 out of 5 from 125 reviews. In the provided selection, recurring positive themes include responsiveness, communication, professional conduct and smooth rental processes. Several reviewers highlight Caroline’s support, while another praises Pauline. One tenant also describes a handover without unexpected charges. In contrast, a single review alleges inaccurate agreements and property descriptions, delayed key delivery and rude conduct by the owners and property management; the reviewers report cancelling the transaction after two days. This summary covers a selection rather than all reviews, and the experiences described have not been independently verified.
Our experience with J&J Properties has been outstanding, especially our interactions with Caroline. From the moment we decided to rent with J&J Properties, the process has been remarkably smooth and stress-free, making our transition into our new home an enjoyable experience. Caroline, in particular, has truly stood out. Her commitment to ensuring that everything works seamlessly in our apartment has been nothing short of impressive. Whenever we encountered any issues or questions, Caroline was there to promptly address them, demonstrating her dedication to her role and our comfort as tenants. Her exceptional assistance and dedication have made us feel valued and well-cared for as tenants. What truly sets J&J Properties apart is their responsiveness, a quality that, in our experience, surpasses our previous dealings with other agencies in the same complex. The contrast in service has b
False agreements, False property description. Not giving the keys on time, acting like they own you. Owners and the property manager both were rude and arrogant, we had to cancel the complete deal within two days. Very bad experience I strongly recommend people to stay away.
Had the pleasure of working with J&J properties and I cannot recommend highly enough. Caroline is an exceptional real estate agent who truly cares about her clients and goes above and beyond to ensure that they have a positive and successful real estate experience. Throughout the entire process, Caroline was professional, knowledgeable, and communicative. She was always available to answer my questions and provide guidance, and she made the process as smooth and stress-free as possible. Regards, Manish Balani
I rented a studio by J&J Properties in Brussels. The process of renting was smooth. During my stay the contact with one of the agent Caroline Loly was perfect. Afterwards the hand over / inventory was similar to my entry and no unexpected charges was pun on me. I am very happy that I rented an apartment by J&J and cooperated with Caroline. Honestly I can recommend them.
4th or even 5th experience with JJ Properties and as always, outstanding service, professional approach and high commitment of their team ! A special thanks to Pauline for her drive, her experience, her availability and her very effective work !
Selection of up to five reviews provided by Google, shown unchanged; summary generated automatically. These reviews are not included in the rating on our site.
Offensive posts, anonymous abuse and posts without a recognisable client relationship are not published. Reviews are subjective individual experiences.
Services in this field explained
Developers plan and build new properties and often sell them before completion.
When do I pay when buying off-plan? The German Estate Agents and Developers Ordinance (MaBV) sets instalments by construction stage; prepayments are limited.
Getting there
- Drie Kleuren· ca. 120 m
- Madoux· ca. 140 m
- Trois Couleurs· ca. 200 m
Nearby stops according to Google, straight-line distance.
Questions for the company
No public questions yet. Ask the first one.
Sources and transparency
Profile status is not a guarantee of quality, financial strength or superiority. It indicates how the published details were documented.
View official source