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Home/ Yves Sacreas

Yves Sacreas

Senior Counsel

Administrative Law and Public Procurement / Urban Planning and Environmental Law / Litigation and Arbitration

Yves Sacreas
+32 2 747 40 07
yves.sacreas@be.Andersen.com
Yves Sacreas
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I like to help solve legal problems; within the lines when I can and outside the lines when I ought to

Yves Sacreas practices in the field of public law.

He advises and represents clients before various courts, the Council of State, the Council for Permit Disputes and the Constitutional Court on constitutional and administrative law, urban planning, environmental law, expropriation law and also criminal law.

Yves was a teaching assistant in constitutional law at KULeuven for six years and is also the author of numerous scientific contributions. He worked for 16 years at a Brussels law firm and joined Andersen in Belgium in 2022.


Publications:

Magazines and book contributions

  • “De politieke ministeriële verantwoordelijkheid”, T.B.P., 2001, 624-633;
  • “De gewestelijke bevoegdheden inzake de ondergeschikte besturen: een algemeen overzicht” in A. ALEN (ed.), De vijfde staatshervorming van 2001, Brugge, die Keure, 2002, 65-82;
  • “De ondergeschikte besturen: een stand van zaken”, T.B.P., 2004, 67-84;
  • “Constitutionele en bevoegdheidsrechtelijke benadering van het Gemeentedecreet”, Gem., 2006/1, 5-8;
  • “De bevoegdheid inzake de machtiging tot onteigening ter uitvoering van het onteigeningsplan in een gemeentelijk ruimtelijk uitvoeringsplan”, in M. BOES, J.GHYSELS, D. LINDEMANS  en R. PALMANS (Eds.), Liber Amicorum Martin Denys, Antwerpen, Intersentia, 2012, 259-266;
  • Y. SACREAS en J. GHYSELS, “Onderhandelen om niet te moeten onteigenen in Vlaanderen: stand van zaken en evaluatie”, in R. PALMANS, J. GHYSELS en R.TIJS (Eds.), Onteigenen in Vlaanderen na het Onteigeningsdecreet, Antwerpen, Boom juridisch, 2022, 205-236.

Short annotations:

  • “De politieke verantwoordelijkheid van Daems in het Sabena-dossier”, contribution in the ‘podium’ section of the Financieel Economische Tijd, Wednesday, February 5, 2003;
  • “De gevolgen van de uitspraak van het arbitragehof van 26 februari 2003 voor de verkiezingen van 18 mei 2003”, R.A.B.G., 2003, 454-457 (Contribution in the section ‘actualia’);
  • “De verklaring tot herziening van de Grondwet en de gevolgen van de ontbinding van de Wetgevende Kamers”, R.A.B.G., 2003, 560-562 (Contribution in the section ‘actualia’);
  • “Scheiding der machten kan ministers uit de wind zetten”, interview in De Morgen, Tuesday, March 7, 2006.

Book reviews:

  • F. Delpérée (red.), “Les lois spéciales et ordinaires du 13 juillet 2001”, Brussels, Bruylant, 2002, 249 p. in R.W., 2004, 638-639.

Contributions to scientific support expenditure:

  • “Valks juridisch woordenboek” (collaborator);
  • “Rechtsgids, trefwoord Uitvoerende Macht” (author).

Research reports commissioned by policy bodies:

  • Study commissioned by the Ministry of the Flemish Community, Department of Welfare, Public Health, and Culture, Health Care Administration, on the applicability of the decree on Medically Responsible Sports in the bilingual Brussels-Capital Region (in collaboration with Prof. Dr. M. Boes);
  • Contribution to the preparation of the Flemish Expropriation Decree (Janson, 2014).

Miscellaneous:

  • Brief for Respondent, The Case concerning the Vaccine Trials, The State of Kuraca v. The Republic of Senhava, on submission to the International Court of Justice (2000 PC Jessup International Law Moot Court Competition).
  • Radio-interview during “Voor de dag” on Radio 1 on the request to withdraw party funding from the Vlaams Belang party at the Council of State, Wednesday, May 17, 2006.

Expertises

Litigation and Arbitration

Litigation and Arbitration

Urban Planning and Environmental Law

Urban Planning and Environmental Law

Administrative Law and Public Procurement

Administrative Law and Public Procurement

Qualification

  • Master of Laws - KU Leuven (Katholieke Universiteit Leuven) - 2000 - cum laude
  • Participation in international rounds of the Philip C. Jessup International Law Moot Court Competition arguing before the International Court of Justice (Washington D.C.
  • April 2000)

Languages

  • Dutch
  • French
  • English

Conferences and seminars

  • Studiedag van het Instituut voor Constitutioneel Recht (KU Leuven) op 16 november 2001 over de vijfde staatshervorming. Referaat over de overgedragen bevoegdheden inzake de ondergeschikte besturen
  • Belgisch-Nederlands congres van de Universiteit van Tilburg op 12 december 2001 over het primaat van de politiek: workshop over de politieke ministeriële verantwoordelijkheid
  • Vorming in gemeentelijk management (Gewestelijke School voor Openbaar Bestuur): de Regionalisering van de Gemeentewet - een juridische analyse van het Vlaams voorontwerp van gemeentedecreet - 17 juni 2004
  • Colloquium Conflictbeheersing in het Belgisch Staatsrecht (Congreszaal Federaal Parlement): Lezing over belangenconflicten 15 januari 2008
  • Studiedag van het Centrum voor Recht - Onteigening en Waardering (CROW) op 22 oktober 2021 over onteigenen in Vlaanderen na het Onteigeningsdecreet. Referaat over de onderhandelingsplicht ingeval van onteigening.
  • Legal News

    Financially contributing to a spatial implementation plan (RUP) poses a risk to your permit

    29.09.2026

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    Urban Planning and Environmental Law, Andersen in Belgium

    Financially contributing to a spatial implementation plan (RUP) poses a risk to your permit

    A developer who contributes financially to the drafting of a spatial implementation plan may thereby jeopardize their integrated environmental permit. This follows a ruling by the Council for Permit Disputes dated September 17, 2026. The ruling addresses a practice that is widespread throughout Flanders.

    Read the article »
    Health organisations to become part of the public concerned in urban and environmental permitting procedures

    17.09.2026

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    Urban Planning and Environmental Law, Andersen in Belgium

    Health organisations to become part of the public concerned in urban and environmental permitting procedures

    Non-governmental organisations dedicated to protecting human health will soon be able, like environmental protection organisations, to qualify as part of the “public concerned” in urban and/or environmental permitting procedures. This will broaden the range of organisations that may challenge a permitting decision, adding a new dimension to future permitting procedures.

    Read the article »
    Flanders Cracks Down on Substandard Housing with Significantly Higher Fines

    08.09.2026

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    Real Estate, Renting and Co-ownership, Andersen in Belgium

    Flanders Cracks Down on Substandard Housing with Significantly Higher Fines

    Are you renting out a home with serious quality defects? If so, you risk criminal prosecution. Starting today, penalties for renting substandard housing in Flanders will be significantly increased. A fine can reach up to 800,000 euros under aggravating circumstances. At the same time, judges will have greater discretion to tailor the penalty to the severity of the offense.

    Read the article »
    Faster Permitting Process in Brussels?

    04.09.2026

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    Urban Planning and Environmental Law, Andersen in Belgium

    Faster Permitting Process in Brussels?

    The Brussels-Capital Region aims to process urban planning permits and certificates more quickly going forward. A new circular sets ambitious deadlines for Urban, the regional administration for urban planning and heritage. However, these are internal targets, not new legal deadlines. If they are not met, this will not, in itself, affect your permit or certificate application.

    Read the article »