For sale EPC E





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House · For sale · Ixelles
Bourgeois Mansion from 1890 – Ixelles Ponds District
Rue de la Vallée 9, 1050 Ixelles · Brussels
Listed on Immoweb7Bedrooms
6Bathrooms
760 m²Surface area
90 m²Garden
EPC E217 kWh/m²·yr
Description
Listed as part of Brussels’ architectural heritage, this magnificent eclectic-style mansion, built in 1890, was once the personal residence of architect Ernest Delune.
It stands out for its generous volumes and numerous layout possibilities, including the potential for a liberal profession thanks to its two separate entrances.
Behind its elegant red-brick façade, more than 12 meters wide, the property is set on a ± 3.78-are plot and develops ± 1,025 m² gross surface area, of which ± 760 m² are habitable, spread across 5 levels.
This exceptional residence offers, among other features, a splendid living room, libraries, offices, 7 bedrooms, 4 bathrooms, 2 shower rooms, and ample storage space.
Ground floor: two offices/lounges, dining room, family kitchen.
1st floor: grand reception rooms with bow-windows, double living room, and separate bar.
2nd floor: master floor with a bedroom, separate lounge (or 2nd bedroom), dressing room, and bathroom.
3rd & 4th floors: five comfortable bedrooms and three bathrooms.
Independent studio: accessible from the main house and via a separate entrance on Rue du Lac.
The entire house has full cellars and is equipped with an elevator serving 5 levels, from -1 to the 3rd floor.
Finally, three individual garages with access from Rue du Lac complete the features of this outstanding property.
A rare opportunity on the market, combining architectural prestige, modern comfort, and a prime location in the heart of Ixelles.
Property details
Property typeHouse
TransactionFor sale
Plot345 m²
Living room90 m²
Kitchen20 m²
Kitchen typeFully fitted
Built1890
Floors4
Façades2
HeatingGas
CO₂ emission43 kg CO₂/m²
Cadastral income€5,021
Garden90 m²
Terrace20 m²
ConditionAs new
Flood zoneNo flood risk
Availability2026-08-03
Referenceimmoweb · 21925036
Features
Garden
Double glazing
Terrace
Cellar
Garage
Elevator
Swimming poolNo
FurnishedNo
Mains sewer
New buildNo
Not provided by the source
Solar panelsAtticAir conditioningFireplaceLaundry roomBike storageProtected heritageLow-energy
Energy performance
EPrimary energy 217 kWh/m²·year — the energy rating for this home.
A
B
C
D
E
F
G
Price history
€3,650,000
Current asking price · first listed 20 Oct 2026
0days tracked
First listed20 Oct 2026Last seen20 Oct 2026
Reflects only price changes detected while we tracked this listing. Last checked 20 Oct 2026.
Location
Rue de la Vallée 9, 1050 Ixelles · Brussels Open in Google Maps