Paris Emmanuel Grégoire is confronting a fierce political storm after a September 2025 campaign video resurfaced, thrusting his plan to seize 32 million square meters of private rooftops back into the public eye. First aired on Sud Radio during his mayoral run, the proposal aims to convert the city’s private roofs into shared community, cultural, and recreational spaces.
The ‘Right to the Sky’ Campaign Vision
During the 2025 race, the then-candidate argued that the skyline should belong to everyone, not just patrons paying steep prices for drinks at high-end establishments. Le Parisien Matin reported that Grégoire championed a literal “right to the sky” for local families.
Under his blueprint, the city would weave a vast network of associative and meditative rooftops outfitted for picnics, playgrounds, and social gatherings. Figures published by Le Figaro show that Paris boasts roughly 32 million square meters of rooftop territory, a footprint that already incorporates about 3,500 green roofs and 654 solar energy installations.
Immediate Backlash From Rivals and Residents
The sudden revival of the footage on social media triggered sharp, immediate condemnation. European Parliament member and former mayoral candidate Sarah Knafo took to X, formerly Twitter, writing bluntly: “Before we can meditate on the roofs, we’d already like to be safe on the ground.”
Opposition mounted further when Aurélien Véron, vice-president of the Paris Liberté group, weighed in. He targeted the logistical nightmare of property expropriation and the inevitable disruption facing residents living directly beneath these proposed public hubs. Online, local citizens echoed these grievances, demanding that municipal leaders focus on bread-and-butter urban needs like street maintenance, waste management, and school upkeep instead of aerial leisure.
Constitutional Roadblocks and Structural Realities
Beyond the political friction, urban planning experts and critics point to severe legal and physical barriers standing in the way of the initiative. Le Parisien Matin noted that virtually all Parisian roofs are held by private co-properties rather than the city itself. Launching a requisition order without formal declarations of public utility would almost certainly trigger intense constitutional challenges.
The physical architecture of the city presents an equally daunting wall. Traditional Parisian zinc roofs and 19th-century wooden frameworks simply lack the structural engineering required to safely handle heavy foot traffic or recreational crowds. While the administration previously leveraged the local urban plan to push green and solar retrofits, upgrading thousands of private buildings for public leisure would carry a staggering price tag running into the billions of euros.