Duo Stage Musashiseki: A New Condominium in Tokyo's Nerima Ward
Duo Stage Musashiseki is a new condominium development currently under construction in the peaceful, green surroundings of Nerima Ward, Tokyo. The property is situated just a 1-minute walk from Musashiseki Station on the Seibu Shinjuku Line, offering direct access to Shinjuku and Takadanobaba stations, while a bus ride can take you to the popular Kichijoji area in approximately 16 minutes. The design concept draws inspiration from the nearby Shakujii River, with clean white facades and transparent glass railings reflecting the sky to create a beautiful, harmonious aesthetic reminiscent of flowing water. The architecture presents a sophisticated, modern design that adds a new sense of elegance to the streetscape.
The development features a total of 59 units (58 residential, 1 management office) across six stories. Available layouts include 1LDK+S and 2LDK types, with private areas ranging from 42.96㎡ to 43.93㎡ and balcony sizes from 4.40㎡ to 7.35㎡. Handover is scheduled for October 29, 2026, though this date is subject to change. The building is reinforced concrete construction and includes comprehensive security features, interior corridors, and corner rooms. Each unit is equipped with ultra-high-speed internet service of up to 10Gbps.
Critical agent notes and special remarks have been fully translated: When applying, please prepare your personal seal (inkan) and proof of income for the most recent year. Management fees and repair reserve funds are the responsibility of each household. Please note that the management and repair reserve fees listed are as of August 2025 and may change due to social conditions and price increases. The repair reserve amount is based on a long-term repair plan and is the amount for the initial four years; it will change from the fifth year onward. The sale price and internet usage fee include consumption tax (10%).
A detailed repayment example is provided for the K Type (2LDK+SIC) layout, specifically for unit 312 with a sale price of 56.4 million yen. With a down payment of 100,000 yen, a loan amount of 56.3 million yen from the partner financial institution, Jonan Shinkin Bank, at a 1-year variable interest rate of 1.000% over 50 years, the estimated monthly repayment is 119,277 yen. Key loan conditions include: a loan amount from 1 million to 200 million yen (in units of 10,000 yen), a loan term from 1 to 50 years, a 33,000 yen (tax-included) handling fee, and a guarantee fee paid in a lump sum to the Shinkin Guarantee Fund at the time of financing. Borrowers must join the group credit life insurance specified by Jonan Shinkin Bank, and a first-priority mortgage on the purchased property will be set with the bank as the mortgagee. Please be aware that the financial institution may change depending on the applicant's qualifications, and loan conditions may change due to financial circumstances. The interest rate and guarantee fee are as of February 1, 2026, and are subject to change. For details, please inquire with the company staff.
The building is also pet-friendly, with rules for keeping pets, and features a 24-hour centralized management system for security. Other amenities include a post-integrated delivery box "Postaku," double flooring and ceilings for sound insulation, and double-glazed Low-E glass airtight sashes. The property is a member of several industry associations, including the (Kousha) Capital Region Real Estate Fair Trade Council and the (Kousha) Tokyo Association of Real Estate Agents.
The surrounding area of Musashiseki offers a blend of urban convenience and natural tranquility. An interesting local fact is that the nearby Shakujii River, which inspired the building's design, is part of a larger park system that provides a serene green escape within the city. The closest major landmark is the expansive Musashiseki Park, a large public park perfect for walking, relaxation, and enjoying seasonal foliage, located just about a 10-minute walk from the property.
