Updated: July 2026
ImmoAgg vs Immoweb, Immovlan and Zimmo
Immoweb, Immovlan and Zimmo are listing portals. ImmoAgg is a Belgian aggregator that groups listings and adds livability scores, commune market medians and neighborhood audits — then sends you to the original ad to contact the agency.
Quick role comparison
| Criterion | ImmoAgg | Immoweb | Immovlan | Zimmo |
|---|---|---|---|---|
| Primary role | Aggregator + context | Listing portal | Listing portal | Listing portal |
| Agency contact | Link to source listing | On-platform | On-platform | On-platform |
| Neighborhood scores | Yes (proprietary) | Limited / other product | Editorial content | Data / UX by offering |
| Commune medians | Yes (ImmoAgg active stock) | Own market tools | Own market tools | Own market tools |
| Publish a listing | No (not a paid seller portal) | Yes | Yes | Yes |
When to use ImmoAgg
Use ImmoAgg to compare already-online homes with a beyond-the-price lens: livability scores, rent tension or median prices by commune, and price history when available. It is not a substitute for Immoweb when you need maximum seller reach.
When to stay on Immoweb, Immovlan or Zimmo
Those portals remain the reference to publish an ad and reach the largest audience. ImmoAgg complements the demand side: contextualize a home seen elsewhere, or explore a commune before visits.
FAQ
- Does ImmoAgg replace Immoweb?
- No. Immoweb remains a high-reach listing portal. ImmoAgg aggregates listings and adds context (scores, medians, audits) without replacing publication on major portals.
- Where do ImmoAgg listings come from?
- From sources synced into our database (including Belgian portals). Each detail page links to the original agency or portal URL.