Northern Athens Mayors Fight Plan for 584,000 Square Meters of New Construction
Some of the greenest and most sought-after suburbs of Athens could soon see taller buildings and thousands of new residents. Greece's Ministry of Environment and Energy has proposed 25 zones in northern Athens that would be allowed to take in transferred building rights, opening the way for about 584,400 square meters of extra construction in Halandri, Kifisia, Psychiko and eight other areas.
The plan is open for public comment until early January, and mayors from Psychiko to Halandri say they will fight it, first in the consultation and then in court if needed. It has quickly become one of the most debated property stories in Greece, because it touches neighborhoods that have resisted denser building for decades.
What the Ministry Is Proposing
On November 3 and 4, the ministry published 12 studies that map out so-called receiving zones (in Greek, Zones Ypodochis Syntelesti Domisis, or ZYS). Together they define 91 zones in northern Athens and in 11 regional units: Thessaloniki, Kavala, Drama, Kastoria, Viotia, Phthiotis, Magnesia, Achaia, Argolida, Heraklion and Chania. The studies are part of the government's Konstantinos Doxiadis urban planning reform program.
The northern Athens study covers 25 zones in 11 municipal units: Psychiko, Neo Psychiko, Filothei, Kifisia, Nea Erythraia, Holargos, Papagou, Halandri, Nea Ionia, Metamorfosi and Lykovrysi. In those zones, the building coefficient, the ratio that sets how much floor space can be built on a plot, would rise by between 0.10 and 0.60. According to Kathimerini, the study estimates the extra space could house about 9,500 more people.
Which Suburbs Would Get the Most
Halandri takes the largest share by far. Kathimerini put its increase at about 217,300 square meters, while other Greek media citing the study's tables reported about 258,000 square meters across seven zones, close to 44% of the total. Metamorfosi comes next with about 148,700 square meters, mostly in business and former industrial areas along the national highway. Holargos could add about 64,500 square meters, Kifisia between 33,000 and 39,000 across three zones, Nea Ionia 23,800 and Filothei 15,200.
The biggest coefficient increases, 0.60, are proposed for parts of Nea Ionia and Metamorfosi. In Nea Ionia, the coefficient in those areas is already 2, a level at which the study itself notes buildings could become very large. In Filothei and Palaio Psychiko, blocks along Kifisias Avenue would go from 0.60 to 0.80, with room for an extra floor, according to Greek media reports. In the Agia Kyriaki area of Kifisia, the coefficient on some plots could double from 0.50 to 1.00.
The study favors areas near main roads and metro stations. For Kifisias Avenue, it points to the avenue's role as a main artery and to planned metro stations such as Filothei and Sidera, which are part of future extensions of Athens Metro Line 4, a line still under construction.
Why the Mayors Are Pushing Back
The mayors of Nea Ionia, Filothei-Psychiko, Kifisia, Halandri, Papagou-Holargos and Lykovrysi-Pefki have all come out against the plan. They argue that roads, parking, schools, green space and stormwater drainage in their towns are already stretched, and that Athens needs more rail transport and room to grow outward, not taller apartment blocks.
In Halandri, mayor Simos Roussos points out that the ministry itself cut the town's building coefficients by 10% in a general urban plan approved in 2021. He does not reject the transfer of building rights as a tool, but says rights should be moved within the same municipality rather than shipped into Halandri from elsewhere. In Filothei-Psychiko, where mayor Haralambos Bonatsos says two-thirds of the municipality is protected residential land, the town council scheduled a special session on the plan for Wednesday, November 11.
Critics have also seized on how the zones were chosen. In Filothei and Psychiko, low existing density and the presence of greenery were among the factors the study weighed, which opponents say punishes the very areas that protected their character. Lykovrysi-Pefki mayor Marios Psychalis has said his municipality will appeal to the Council of State, Greece's highest administrative court, if the plan is approved, and other mayors have signaled similar legal action.
How a Building Rights Transfer Works
The system is meant to solve an old problem: compensating owners who cannot use the building rights on their land because of legal restrictions, for example owners of listed buildings or of plots reserved for public use. Under the mechanism, those owners can sell their unused rights, and owners of plots inside approved receiving zones can buy them through the state's Digital Land Bank to build more than local rules would otherwise allow.
Greece has tried versions of this before, and they repeatedly ran into trouble in the courts. The issue is also sensitive because of the recent fight over building bonuses under the New Building Regulation (NOK), which the Council of State ruled unconstitutional on December 11, 2024, after many taller buildings had already gone up. A developer interviewed by Greek media said the main worry in the market now is legal certainty, so that permits issued under the new zones are not overturned later.
What Happens Next
Comments on the northern Athens study can be submitted for 60 days from its publication on November 3, which points to a deadline in early January 2027. Written comments go to the ministry's environmental licensing directorate. Publishing the studies does not change the building terms of any plot. The zones still need a presidential decree, and the extra space can only be used through a transfer of building rights once the zones are formally in place.
Owners of homes or plots in these suburbs, including Greeks abroad who hold family property there, may want to check whether their street falls inside a proposed zone. A plot inside a zone could gain value as a development site, while the homes around it could face bigger buildings next door. GetGreece helps Greeks abroad with property inheritance in Greece by power of attorney.
