Buyer's guide · new-build market · Walloon Brabant

Buying a new-build apartment in Rixensart: market, prices, districts (2026)

Hard data on the new-build apartment market in Rixensart, districts where it pays to invest, active developers, local tax specifics and pitfalls at reception.

Sources: Statbel · Belgian Notaries · IWEPS · Q4 2024 data updated 05/2026
Rixensart market snapshot
3 180 €/m²
Average new-build apartment price · Q4 2024
3-year change
+12.0%
Average absorption
8 months
New-build stock
230 units
3-year price trend

New-build apartment €/m² in Rixensart rose +12.0% since 2022.

Affluent Walloon Brabant municipality, Rixensart combines residential heritage (Château de Mérode, park), proximity to GSK and IBA/RER accessibility. The new-build market is rare and premium, mainly concentrated on Rixensart centre and Genval.

€/m² · new-build apartment · Rixensart
2 840 €
2 990 €
3 110 €
3 180 €
3 290 €
2022
2023
2024
2025
2026 e.
Quartiers recommandés

Où acheter du neuf à Rixensart en 2026 ? Notre lecture.

Genval Lake Rixensart

Genval Lake

Premium
€3,480/m²
Lake view, small high-end residences. Solid expat rental.
Rixensart centre

Rixensart centre

Residential
€3,080/m²
Historic heart around Château de Mérode. Integrated new-build projects.
Rosières Rixensart

Rosières

Connected
€2,980/m²
RER station district. Connection hub towards Brussels.
Bourgeois Rixensart

Bourgeois

Emerging
€3,020/m²
Quiet residential plateau. Families, international schools nearby.
Active developers

The 6 developers delivering new-build in Rixensart in 2026.

Non-exhaustive list · factual information · we have no commercial ties with these players (deliberately so: our independence is our trade).

Developer
Flagship project
Type
Delivery
Developer Thomas & Piron
Flagship project Résidence Château Mérode
Type 24 apts
Delivery 2026-Q4
Developer BPI Real Estate
Flagship project Genval Lac Lofts
Type 18 apts
Delivery 2026-Q3
Developer Matexi Brabant
Flagship project Rosières Gare RER
Type 32 apts
Delivery 2027-Q1
Developer Eckelmans
Flagship project Bourgeois Plateau
Type 22 apts
Delivery 2026-Q4
Developer Cocoon Construction
Flagship project Villa Genval Parc
Type 12 apts
Delivery 2026-Q2
Developer Equilis
Flagship project Centre Résidence Premium
Type 16 apts
Delivery 2027-Q2
Local taxation

Rixensart-specific premiums and incentives.

  • Municipal energy premium
    Up to €1,700 for heat pump + roof insulation (stackable with Walloon regional aid).
  • Registration duty reduction
    Reduced rate of 3% on EPC A and modest housing (≤ 200 m² liveable).
  • Wallonia tax shelter
    Income-tax reduction over 5 years for new-build buy-to-let investment (€21,400 fiscal cap).
  • Mérode heritage bonus
    Planning advantage for renovations within the listed Château perimeter.
Rixensart pitfall to avoid

Runoff and damp basements on the plateau.

Rixensart land features significant runoff linked to the Brabant plateau. Several new residences have seen infiltrations in basements and parking within two years. Demand the hydrogeological study details and watertight tanking in the specifications.

Témoignage acheteur
« At that price I wanted zero nasty surprises. The contradictory report let me have 3 major defects fixed. »
Anne-Sophie Vandermeeren · off-plan buyer · Genval
From purchase to reception

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