Get inspired!

17,725 architecture projects

Learn from past Buildner architecture competition participants through our extensive project library, curated over more than 15 years!

Sky Taxi Integration with Green Roofs and Digital Signage in a Modern Tower

Authors:
Kotomi Kameda, Gaku Shinohara, Ruriko Ueda, Kazuki Shimizu
Sky Taxi Integration with Green Roofs and Digital Signage in a Modern Tower

Project in-detail

Incorporating a sky taxi station and green roofs, the redesigned tower enhances urban mobility while integrating digital signage to serve its dynamic functions within the Tokyo skyline.
5 key facts about this project
01
Incorporates a sky taxi station for future urban air mobility.
02
Features a spiral framework that adds visual dynamics and structural independence.
03
Integrates green roofs to enhance sustainability and connect with the environment.
04
Includes digital signage, transforming the tower into an active information hub.
05
Restores functionality through multiple new floors within the existing structure.

The Neo Tokyo Tower is a redesigned structure located in Shiba Park, Tokyo, aiming to redefine its function and relevance in the modern urban landscape. Once the tallest building in Japan and a major radio transmission center until 2012, the tower now faces challenges due to low occupancy and a changing purpose. The design focuses on revitalizing the tower by adding functional elements that enhance its use and contribute positively to the surrounding area.

Revitalization of Functionality

The architectural approach involves the insertion of new floors into the existing tower, which aims to restore its practical function. This addition reinforces the tower’s presence in the Tokyo skyline and provides opportunities for a variety of purposes that meet current urban needs. The concept addresses the issue of vacancy found in many skyscrapers today, seen in structures like the Shanghai Tower that struggle to maintain high occupancy rates.

Structural Innovation

A key element of the design is a spiral-shaped framework that will be attached to the tower. This framework stands independently while allowing for the integration of new floors. The spiral adds a dynamic visual element and encourages movement throughout the building's vertical space. By creating volumes between these new floors, the design enhances the inner environment, offering varied experiences and uses for those who interact with the tower.

Enhanced Urban Mobility

Adding a sky taxi station is a significant functional extension of the tower. This feature addresses the growing interest in urban air travel and positions the tower as an important part of future transportation systems. The inclusion of this landing area caters to expected needs for urban mobility, marking the structure as a crucial waypoint in the city's transport framework.

Sustainable Integration

Sustainability plays a major role in the design of the Neo Tokyo Tower. Green rooftops connect the structure with the nearby Shiba Park, improving its ecological footprint. Efforts to increase energy efficiency might involve installing solar panels, which would provide power for the building while lowering its environmental impact.

Digital Communication Hub

The design also incorporates digital signage on the new units, marking a change in how the tower functions. By placing digital displays under each unit, the Neo Tokyo Tower shifts from serving merely as a historical landmark to an active information hub. This change allows advertising space for both businesses and the public, adapting to modern commercial needs in the urban environment.

At the top of the redesign, the addition of rooftop gardens improves the building's visual appeal and environmental performance. These spaces promote biodiversity while offering open views of the Tokyo skyline, enhancing the overall experience of the structure for visitors and residents alike.

Noticed a mistake?
Highlight the text and click on
Noticed a mistake

MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

`
Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

MICROHOME

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € Prize Fund / Kingpsan Edition #10 ideas COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 25 September 2025

Enter an open architecture
competition now

Buildner's Unbuilt Award 2025
Buildner's Unbuilt Award 2025
100,000€ Prize / 2025
Denver Affordable Housing Challenge
Denver Affordable Housing Challenge
Affordable Housing Series 19th Edition
The Architect's 
Chair
The Architect's Chair
Take a seat and make a statement! Edition #4
MICROHOME
MICROHOME
100,000 € Prize Fund / Kingpsan Edition #10
Kinderspace
Kinderspace
Architecture for Children’s Development #3
To view this project in detail,
please log in with your
Architects’ Network Plus account.
Subscription instantly unlocks all the architecture projects plus other member-only benefits:
  • Access the 17,725 Concept Library
  • Professional tools including file transfer, email, portfolio management, and more
Register now
Already a member? Log in

This website uses cookies to improve user experience and gather usage statistics.

More information is available in our Privacy & Cookie policy