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Brussels Governance Monitor

Watermael-Boitsfort: good transparency, political transition

Mayor : David Leisterh (MR)Coalition : MR-Les Engagés, Ecolo-Groen
Population : 25 295Postal code : 1170Area : 12.93 km²Council seats : 29
Up to date ·

Transparency grid

5/6 criteria

Budget online

Yes

Council minutes online

Yes

Council livestream

Yes

Municipal Open Data

No

Participation platform

Yes

Mandate registry

Yes

Key figures

25 295

Population

IBSA

12,93km²

Superficie

IBSA

Alerts

  • End of Ecolo era: David Leisterh (MR) new mayor1 December 2024

Brussels' greenest municipality

Watermael-Boitsfort is a residential municipality of 25,000 inhabitants, known for its green spaces (Sonian Forest) and garden cities. After 12 years of Ecolo mayoralty, David Leisterh (MR) takes over with an MR-Les Engagés + Ecolo-Groen coalition.

Transparency: 5 out of 6 criteria

The budget and council minutes are published online, the council is broadcast via livestream (dedicated page with replays), the mandate registry is accessible, and a participation service manages neighbourhood meetings and participatory budgets. No dedicated Open Data portal.

Political transition

David Leisterh's arrival as mayor marks the end of the Ecolo era in Watermael-Boitsfort. Ecolo nevertheless retains the CPAS presidency and two aldermanic positions in the new majority.

Sources

Official

Last updated: 12 February 2026

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