The City Hall Void / Larry Hill Associates

Aerial View ©

Carving out a gigantic void in the middle of ’s City Hall Square, Larry Hill’s conceptual approach for a new metro station calls attention to the activity of passengers as well as the trains.   “The project aims to put the public in the City Hall Square, as well as on it. The void and the metro machine is thus a seamless part of the city,” explained the architect.

More images and more about the project after the break.

Site Plan Diagram © Larry Hill Associates

The scale-less amorphous mesh covers a large portion of the square and gently slopes from street level to platform level.   The void, which measures 15m dep, 70m wide and 140m long, is covered with a transparent grid which provides “spectacular entrances to the metro” – three main portals that can accommodate thousands of passengers each day.

Surface Diagram © Larry Hill Associates

Structurally, H-profile beams and T-beams support the steel mesh surface with paired rounded steel columns organizing the metro tunnels.  ”The metro itself is penetrating the concave shape, incoming trains is then completely revealed to the public,” explained Hill.

© Larry Hill Associates

“The space below, apart from being a transit hub, is also meant to be a negative imprint of the city itself…that lets one experience the noise, light and movement of the inner city from below. The project is not adding programs on the square itself, that way it is still a natural place for mass-gatherings and open air concerts,” added Hill.

Section © Larry Hill Associates

Currently, the project is more focused on the underground zone as a purely spatial experience, and the project lacks other programmatic activities.  Since this skin covers much of the public square, perhaps, with further development, the surface can be transformed to more functionally respond to different activities happening in, on, around or under it.    In this way, the skin can become more than a surface treatment because by supporting public activity, the surface can actually become the Square.

Architect: Larry Hill Associates

Location: Copenhagen, Denmark

Program: Concept proposal for a metro station and urban plaza.

Year: 2010

Cite: Cilento, Karen. "The City Hall Void / Larry Hill Associates" 05 Jul 2010. ArchDaily. Accessed 30 May 2015. <>
  • Architecture+Molding

    The City Hall Void / Larry Hill Associates: Aerial View © Larry Hill Associates
    Carving out a gigantic void in the…

  • ArchitecturePassion

    The City Hall Void / Larry Hill Associates: Aerial View © Larry Hill Associates Carving out a gigantic void in ..

  • Jason

    I like it… but all I can think of is.. ADA? heh

  • Leila Tomaselli

    The City Hall Void / Larry Hill Associates via ArchDaily – Aerial View © Larry Hill Associates Carving …

  • Architekt R V Scholz

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    Car… #in

  • Scott @ Cube Studio

    The City Hall Void / Larry Hill Associates | ArchDaily: Carving out a gigantic void in the midd…

  • kk

    here’s where they execute annoying skateboardists by skating them right to the metro tracks where the train runs over them…. :P

    bad renderings and graphics…

  • RemKool

    Intrseting concept for a new urban space ( something mpossible to see in America ). Renderings and grafic with a good abstraction level.

  • niko

    i wonder if Larry Hill has ever visited CPH and experienced how the citizens like to use their town hall square for large gatherings. i think a steel mesh covered manhole revealing a trainline is the poorest idea i have ever come across for regeneration of a public space. The reason it is an underground train line is so that you don’t have to put up with it overground and to free up space in the city for city life rather than infrastructure. A misanthropic approach to urban design & architecture and a total disregard of the proud tradition of high quality public realm that CPH has pioneered for decades. No thanks!

    • Michael

      here here.
      my thoughts exactly.

      • Anon


  • fixmayer

    RT @Talkitect: RT| The City Hall Void / Aerial View © Larry Hill Associates. // @archdaily

  • Mark Spitzer

    Great idea to carve away and reveal the subway station. Horrible idea to destroy the square just to build a concrete and steel cage. Another non sequiter design from outer space. All idea – no life experience.

  • im

    Who can walk in the this void?

  • me

    Does Larry Hill have a website??