For apartment renters, Wezembeek-Oppem currently has 11 flats available. Monthly prices run from €1,350 to €1,750, and the average rent is €1,485. The municipality has 14,258 inhabitants over 6.9 km². Its average age is close to 41, 73% of residents own their homes, and average net income is €23,460 per year. Women represent 52.1% of residents. The nationalities recorded are 76.2% Belgian, 3.6% German, 3.6% French, 2.1% Italian, 1.6% Polish, 1.3% British, 1% Romanian and 10.6% other.
Apartment buildings account for 20.6% of dwellings; houses make up the remaining 79.4%. Across building types, 20.4% are buildings and flat blocks, 32.6% are open-type houses, farms or castles, 27% are semi-closed houses and 19.1% are closed houses. Commercial houses account for 0.7%, and other building types for 0.3%. The average dwelling has 6.3 rooms, compared with 6 nationally. Buildings have an average construction year of 1964. The average number of cars per household is 1.4, while the Belgian average is 1.3.
From the town centre, the nearest R0 entrance is 2 minutes away by car; the A3 / E25 - E40 - E42 access is 5 minutes away. The N226 and N227 pass through the municipality. STIB tram line 39 connects Montgomery and Ban-Eik, while line 44 runs between Montgomery and Tervuren Station. Bus routes include De Lijn 317, 410 and 830, and STIB 76 and 77. Stations nearest to the centre include Nossegem, Zaventem, Brussels Airport - Zaventem, Diegem and Merode.
Local provision for children includes 4 nurseries, 6 nursery schools, 6 primary schools and 2 secondary schools. Examples named in the municipality are Les Naninous and Zonnetje Wezembeek-Oppem - Astridlaan; Vrije Basisschool and Gemeentelijke Basisschool - De Letterbijter; Deutsche Schule Brüssel; and Heilig Hartcollege. The listed shops are a Delitraiteur, a LIDL, a Carrefour and a Delhaize. There are no shared bicycles or shared cars, and no known EV charging station. Brussels Airport is 7 minutes away by car, or 44 minutes by public transport.