What can you build in Ixelles?
What you can build in Ixelles (Elsene) depends on the area of the Regional Land Use Plan (PRAS) in which your plot lies, on a special land use plan (PPAS) if one applies, on the Regional Urban Planning Regulation (RRU) and on the municipality’s regulations. In Ixelles, 13 PPAS apply, and there are 103 protected properties.
At a glance
| Region | Brussels-Capital Region |
|---|---|
| Postcodes | 1050 |
| PPAS | 13 in force, 2 in preparation, 10 repealed |
| Municipal regulations | 1 in the urban.brussels register |
| Pre-emption perimeters | Ixelles - Volta - M.B. 11.02.2021 (until 21 February 2028); Ixelles - Petite Suisse (until 2 March 2031) |
| Protected properties | 103 |
| Legal inventory | 2,867 properties |
| Number of m² that may be built | not yet calculated in Brussels |
Find out for free what you can build on your plot in Ixelles
How much can I build in Ixelles?
That depends on the plot: the area of the Regional Land Use Plan (PRAS) in which it lies, a special land use plan (PPAS) if one applies, the Regional Urban Planning Regulation (RRU) and the municipality’s regulations. For each address, the Perceelscan report states which area and which PPAS apply, with a link to their provisions; in Brussels, it does not yet calculate the m² of floor area.
Which special land use plans (PPAS) apply in Ixelles?
In Ixelles, 13 special land use plans apply, including the most recent ones: ‘ILOT 24 (av Toison d'Or, rues des Chevaliers, de Stassart et des …’ (2008), ‘ILOT 25 RUES CRESPEL, des drapiers et de stassart’ (1992) and ‘ILOT 251 GOEDERENSTATION V.U.B. GARE ETTERBEEK’ (1992). In addition, 2 PPAS are in preparation. A PPAS only applies within its own area: for each address, the Perceelscan tells you whether one covers the plot.
Do I need a planning permit in Ixelles?
For most works, yes: building, renovating, demolishing and changing the number of dwellings generally require a planning permit, and some activities also need an environmental permit; some minor works are exempt. You can see which permits already exist for an address on openpermits.brussels; the Perceelscan report lists the files for the plot.
Is my property listed as heritage in Ixelles?
Ixelles has 103 protected properties (listed or on the safeguarding list) and 2,867 properties in the legal inventory of architectural heritage. As a rule, a protected property cannot be demolished; the inventory is not a form of protection. For each address, the Perceelscan tells you whether the building is protected, lies in a protection zone or is in the inventory.
Is there a right of pre-emption in Ixelles?
Yes, in 2 perimeters: Ixelles - Volta - M.B. 11.02.2021 (until 21 February 2028) and Ixelles - Petite Suisse (until 2 March 2031). Within such a perimeter, a public authority has the right to buy first when a property is sold; the decree in the Belgian Official Gazette states which authority. For each address, the Perceelscan tells you whether the plot lies inside one.
Which municipal urban planning regulation applies in Ixelles?
For Ixelles, the urban.brussels register lists a municipal urban planning regulation. It applies alongside the Regional Urban Planning Regulation (RRU), which is in force throughout Brussels; a municipality may have other regulations too, so if in doubt, check with the municipality. The municipal regulations are listed by urban.brussels on urbanisme.irisnet.be.
The special land use plans (PPAS) of Ixelles
In addition, 10 PPAS in Ixelles have been repealed; the report mentions a repealed PPAS if it covered the plot.
What the Perceelscan checks for each plot in Ixelles
- The PRAS area with a link to its provisions, and the special land use plans (PPAS) and master development plans (PAD) with their status.
- Heritage: listing, the safeguarding list, protection zones, the legal inventory, UNESCO and the archaeological atlas.
- Flood hazard (2025 map), shallow groundwater and no-build zones along watercourses.
- The soil condition inventory and PFAS.
- Right of pre-emption, Natura 2000, nature reserves and Seveso sites nearby.
- Planning permits and environmental permits on the plot.
Find out for free what you can build on your plot in Ixelles
Building near Ixelles
- What can you build in Etterbeek?
- What can you build in Saint-Gilles?
- What can you build in Saint-Josse-ten-Noode?
- What can you build in Uccle?
- What can you build in Forest?
- What can you build in Schaerbeek?
- All Brussels municipalities
Source: BruGIS (perspective.brussels and urban.brussels) and Brussels Environment, open data under CC BY 4.0, retrieved on 11 October 2026.
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