Grand Maison Ikebukuro I
2026-03-10 05:26:20

Transforming Aging Condominiums: High-Speed Internet Access at Grand Maison Ikebukuro I

In a significant leap towards modernizing aging condominiums, Sho Sekkei and Tsunagu Net Communications have partnered to offer all residents of Grand Maison Ikebukuro I a high-speed internet service. This initiative introduces 'UCOM Optical Residence', utilizing a fiber optic connection that enables a maximum upload and download speed of up to 10Gbps for the building and 1Gbps for each apartment. This upgrade, implemented alongside large-scale renovations, addresses the growing need for stable and efficient internet access in residential settings, particularly in light of recent trends such as remote work and online learning.

Background and Challenges


As more individuals transition to remote work and online education, the demand for reliable internet access continues to rise. However, older residential buildings often face challenges with outdated infrastructure, making it difficult to install new fiber optic lines. Grand Maison Ikebukuro I, a 138-unit condominium built in 1985, previously relied on a VDSL system where individual residents subscribed to the internet service. Many residents expressed concerns regarding the insufficiency of this service and the need for a faster internet connection. Despite their requests, transitioning to fiber optics seemed nearly impossible due to the building's existing structure and the layout of its wiring.

In response to these challenges, Sho Sekkei and Tsunagu Net leveraged the opportunity presented by the ongoing renovations to improve the internet infrastructure. They designed a solution that included the installation of new dedicated internet conduits, effectively overcoming the physical constraints that had hindered previous upgrades.

Key Features of the Implementation


1. New Dedicated Conduit Installation: With consideration for the building's structure, Sho Sekkei meticulously designed the routing of the new conduits, ensuring minimal disruption during renovation works. This planning optimized the reconstruction process while efficiently integrating internet installation.
2. Comprehensive Optical Connection Deployment: Tsunagu Net handled the overall network design and deployment throughout the condominium. With the consent of the resident association, fiber optics were installed in each apartment, resulting in lowered costs per household as opposed to the previous individual subscription model.
3. Overcoming Historical Limitations: By creating new ducts and switching to an optical network, the property transitioned from the older VDSL method to a modern, high-speed internet connection. This change not only provides faster and more reliable internet but also prepares the infrastructure for future advancements in telecommunications.

These collaborative efforts serve to enhance the asset value of Grand Maison Ikebukuro I by increasing its compatibility with modern living standards and effectively catering to future resident needs.

Overview of the Project


  • - Property Name: Grand Maison Ikebukuro I
  • - Location: Tokyo, Japan
  • - Total Units: 138 units
  • - Completion Date: June 1985 (40 years old)
  • - Previous Internet Service: VDSL (individual subscriptions)
  • - New Service Implementation: UCOM Optical Residence (fiber optic connection)
  • - Implementation Method: Full-service deployment after resident association approval
  • - Construction Details: Installation of dedicated conduits for internet use during large-scale renovations
  • - Service Start Date: March 1, 2026

Future Prospects


The partnership of Sho Sekkei and Tsunagu Net exemplifies how integrating architecture and telecommunications can address modern residential challenges. Future updates to communication technology will not be limited to large renovations; rather, potential implementations can emerge based on various building conditions and plumbing routes. By providing tailored communication infrastructure solutions, both companies aim to contribute to improving living conditions and preserving the value of residential properties over time.

For more information on high-speed internet services for condominiums, you can visit Sho Sekkei’s official website or Tsunagu Net’s dedicated service site.

Learn more about Sho Sekkei's high-speed internet service
Learn more about Tsunagu Net's comprehensive internet services

Note: The service operates on a best-effort basis, and actual speeds may fluctuate depending on the time of day and user conditions.

Company Profiles


Sho Sekkei Co., Ltd.
  • - Representative: Takafune Yoshihiko
  • - Headquarters: 4-24-15 Sendagaya, Shibuya, Tokyo
  • - Established: February 22, 1985
  • - Website: sho-sekkei.co.jp

Tsunagu Net Communications Co., Ltd.
  • - Representative: Yamamoto Takemasa
  • - Headquarters: 2-2-1 Otemachi, Chiyoda, Tokyo
  • - Established: January 24, 2001
  • - Website: tsunagunet.com

Stay tuned as we follow up on how these innovations shape the future landscape of urban living and connectivity in Japan.


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Topics Consumer Products & Retail)

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