Urbanistica INFORMAZIONI

NNLT and ‘spatial optimisation’ in Wallonia: addressing the challenge of compensation for downzoning

Parte del Servizio "Land consumption and reduction policies in Belgium"
a cura di Stefano Salata

Jean-Marie Halleux

Lepur, Faculté des Sciencese/University of Liege, Belgium

Sébastien Hendrickx

Lepur, Faculté des Sciences/University of Liege, Belgium

Abstract

In Belgium, the two main regions of Flanders and Wallonia pursue the goal of ‘no net land take’ (NNLT). Initially referred to in the media as the ‘concrete stop’ (Betonstop in Flanders and Stop béton in Wallonia), this objective has been officially termed ‘spatial optimisation’ by the Walloon authorities. This article examines the main obstacle to the effective implementation of NNLT in Wallonia: the issue of financial compensation for downzoning. After presenting the regional context and the ‘spatial optimisation’ strategy, the article explores two approaches to achieve the NNLT goal while avoiding financial compensation. The first approach involves the introduction of a new form of zoning that overlays existing land-use plans. This is currently being pursued in Wallonia through the delineation of ‘centralities’, where the development of new housing is to be concentrated. The second approach consists of downzoning areas that are not eligible for financial compensation.

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Pubblicato il 23 maggio 2025