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Stone Wall Around Copenhagen's Artificial Island Completed

Tuan Dang·October 24, 2026·4 min read

The stone wall encircling Lynetteholmen, the artificial peninsula being built off Copenhagen, is now complete, according to Sydsvenskan. The Swedish newspaper reports that work on the project is continuing even as it faces sustained opposition from Denmark's environmental movement.

The Skåne County Administrative Board has also voiced criticism of the scheme, Sydsvenskan notes. In the same week that the wall's completion was reported, a documentary about the campaign against the artificial island was screened in Malmö.

Why it matters

Lynetteholmen is one of the largest urban development projects in Denmark, and its fate carries weight well beyond Copenhagen's harbour. According to Sydsvenskan, the stated aim of the former Danish government was for the island to shield Denmark against future rises in sea level.

The project is also intended to provide housing for 50,000 residents and space for 35,000 workplaces, the newspaper reports. Beyond homes and offices, the plan is for construction to help fund an extension of the metro and a new underground motorway in eastern Copenhagen.

That combination — flood protection, housing, transport infrastructure and a financing model tied to land development — explains why the project has drawn attention from outside Denmark as well as at home. It has also made the scheme a target for critics who question its environmental rationale.

A project that keeps moving despite protests

Sydsvenskan reports that the completion of the stone wall marks a concrete step forward for a development that has been contested for years. The environmental movement in Denmark has campaigned against the artificial island, and the newspaper describes the protests as substantial.

Criticism has not been confined to Denmark. The Skåne County Administrative Board, the regional authority on the Swedish side of the Øresund strait, has been among those raising concerns, according to Sydsvenskan.

The screening of a documentary in Malmö this week on the struggle against the artificial island suggests the debate continues to resonate on the Swedish side of the water, where the project is visible across the strait.

Sydsvenskan's reporting does not detail the specific grounds on which the county administrative board based its criticism, nor the arguments made in the documentary. What the newspaper does make clear is that the objections have not halted construction.

What the finished wall represents

The stone wall is the visible perimeter of the peninsula — the structure that encloses the land reclamation and defines the island's edge in the harbour. Its completion means the project's outer boundary is now in place, even as the wider development proceeds in stages.

Sydsvenskan frames the milestone plainly: the wall is done, and the project continues. The newspaper's account does not offer a timeline for the remaining phases, nor does it specify when residents or businesses might move in.

What the reporting does establish is the scale of the ambition attached to the site: tens of thousands of homes and jobs, a metro extension, and a new underground road link for the eastern part of the capital, all tied together through the financing of the build.

The flood-defence argument

The case for Lynetteholmen, as Sydsvenskan describes it, rested in part on protection. The former Danish government presented the island as a safeguard against future sea-level rise — a claim that sits at the centre of the dispute, since critics in the environmental movement have contested the project's overall footing.

The newspaper does not set out the technical arguments on either side in its report. It records instead that the flood-protection rationale was the message from the government of the day, and that opposition has persisted regardless.

For a low-lying coastal capital, the question of how to defend against rising water is a practical one, and the choice to combine that defence with a large new district is what makes Lynetteholmen unusual. The same combination is what has made it controversial.

A cross-border debate

The involvement of Swedish voices adds a regional dimension. The Øresund region links Copenhagen and Malmö, and a project of this size on the Copenhagen shoreline is felt on both sides of the strait.

Sydsvenskan's coverage places the Skåne County Administrative Board's criticism alongside the Danish environmental campaign, and notes the Malmö documentary as part of the same ongoing conversation. The newspaper does not report any decision or ruling by the board, only its critical stance.

The documentary's screening in the week the wall was declared finished underlines how the project's opponents are continuing to make their case in public even as the physical structure takes shape.

What to watch

With the perimeter wall complete, attention turns to the next stages of construction and to whether the objections raised in Denmark and across the strait in Skåne will affect the pace of the build. Sydsvenskan's report offers no schedule for what comes next, so the timing of further milestones — and any response from the project's critics — is the thing to follow.

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