
The Collective at One Sophia: The Definitive 2026 Investment Report & Residential Review
1. Executive Summary: The Renaissance of District 9
In the intricate tapestry of Singapore’s Core Central Region (CCR) real estate market, few developments possess the transformative potential to redefine an entire precinct.
The Collective at One Sophia is one such rarity. Rising from the site of the former Peace Centre and Peace Mansion, this mixed-use development is not merely a new addition to the skyline; it is the catalyst for the rejuvenation of the Dhoby Ghaut and Selegie heritage districts.1
As we navigate the property landscape of 2026, discerning investors and homebuyers are increasingly prioritizing “integrated living”—a lifestyle where residential luxury, commercial vitality, and transport connectivity converge seamlessly.
The Collective at One Sophia, a joint venture by a powerhouse consortium led by SingHaiyi Group, CEL Development, and KSH Holdings, epitomizes this trend.1
With a tenure of 99 years and an expected Temporary Occupation Permit (TOP) in December 2029, the project integrates 367 luxury residential units, 122 strata office units, and 127 retail spaces into a cohesive vertical city.3
This comprehensive 15,000-word report serves as the definitive guide for stakeholders. It dissects the development’s architectural merits, analyzes the structural demand drivers from the nearby “Education Belt,” and evaluates the investment case for both the residential and commercial components.
Our analysis indicates that The Collective at One Sophia is strategically priced between $2,706 and $3,029 psf, offering a compelling value proposition against nearby integrated giants like Midtown Modern and the upcoming Union Square Residences.5
Furthermore, the availability of strata-titled offices—exempt from Additional Buyer’s Stamp Duty (ABSD)—presents a unique avenue for capital preservation and yield generation in a supply-constrained market.6
Beyond the bricks and mortar, this report delves into the macro-environmental factors, including the Urban Redevelopment Authority’s (URA) vision to transform Orchard Road into a “lush green corridor” and the pedestrianization of the Dhoby Ghaut precinct.7
These infrastructure enhancements are poised to unlock significant capital appreciation, positioning One Sophia as a strategic asset in a transforming district.
2. Project Fact Sheet and Development Consortium
Understanding the pedigree of a development is crucial for risk assessment.
The Collective at One Sophia benefits from a consortium that brings together some of Singapore’s most experienced and financially robust developers.
2.1 The Development Consortium
The project is developed by Sophia Residential Pte Ltd and Sophia Commercial Pte Ltd, subsidiaries formed through a joint venture comprising:
- SingHaiyi Group: A diversified real estate player with a robust track record in development, investment, and management. Their portfolio includes award-winning projects like Parc Komo, The Gazania, and the mega-development Grand Dunman.8 Their recent accolade as “Top Developer” at the EdgeProp Excellence Awards 2024 underscores their capability in delivering high-quality, market-leading projects.8
- CEL Development: The property investment arm of Chip Eng Seng Corporation, CEL has a history of successful high-end residential projects such as Kopar at Newton and Grandeur Park Residences. Their expertise in the CCR market is a significant asset to this partnership.1
- KSH Holdings: An A1-graded contractor under the Building and Construction Authority (BCA), KSH is renowned for construction excellence. Their portfolio includes iconic structures like the Fullerton Bay Hotel and NUS University Town, ensuring that One Sophia will be built to exacting standards.9
- SLB Development & Ho Lee Group: These partners add depth to the consortium with their extensive experience in industrial and residential developments across Singapore.1
This collaboration leverages the unique strengths of each partner—SingHaiyi’s design innovation, CEL’s market acumen, and KSH’s construction prowess—to mitigate development risks and ensure a premium product delivery.
2.2 Project Data Specification
The following table provides a detailed snapshot of the project’s key statistics, essential for due diligence.
| Specification | Details |
| Project Name | The Collective at One Sophia (Residential) / One Sophia (Commercial) |
| Developer | Sophia Residential Pte Ltd / Sophia Commercial Pte Ltd |
| District | 09 (Orchard / River Valley) |
| Address | 1 Sophia Road (Commercial), 1A & 1B Sophia Road (Residential) |
| Tenure | 99 Years Leasehold (from Dec 2023) |
| Site Area | Approx. 76,617 sqft (7,118 sqm) |
| Plot Ratio | Gross Plot Ratio of 7.89 (Commercial/Residential) |
| Total Units | 367 Residential, 122 Strata Offices, 127 Retail Units |
| Residential Configuration | 2 Blocks of 19 Storeys |
| Commercial Configuration | 1 Block of 13 Storeys (Offices) with 2-Storey Retail Podium |
| Carpark Lots | 270 Lots + 3 Handicap Lots (shared) |
| Expected TOP | 31 December 2029 |
| Expected CSC | 31 December 2032 |
| Architects | ADDP Architects / studioMilou |
| Landscape Consultant | Tinderbox Landscape Studio |
| Main Contractor | China Harbour Engineering Company |
Source: 1
3. Location Analysis: The Strategic Convergence
Location is the defining attribute of real estate value. One Sophia is situated at the nexus of three distinct precincts: the Civic District, the Arts & Heritage District, and the Orchard Road Shopping Belt.
This unique positioning offers residents a lifestyle that balances commercial convenience with cultural richness.11
3.1 The “Education Belt”: A Structural Rental Engine
While District 9 is famed for luxury, the specific micro-market of Mount Sophia serves as Singapore’s premier education hub.
This creates a resilient, recession-proof rental demand driver that is distinct from the corporate tenant pool found in the CBD.
- Singapore Management University (SMU): Located just a short walk away, SMU is a premier city campus with a large population of international students and visiting faculty.12
- School of the Arts (SOTA): Singapore’s first national pre-tertiary specialized arts school is virtually next door.12
- Nanyang Academy of Fine Arts (NAFA) & LASALLE College of the Arts: These institutions, forming the new University of the Arts Singapore (UAS), attract a vibrant community of creatives and international students.11
- Private Education Institutions: The area historically houses numerous private institutions (e.g., Kaplan), ensuring a steady flow of students requiring accommodation.
Insight: The “student housing” market in Singapore is structurally undersupplied. Most tertiary institutions have limited on-campus hostels.
Affluent international students often seek private condominiums that offer security, privacy, and amenities.
The Collective at One Sophia, with its heavy weightage of Studio and 1-Bedroom units, is perfectly calibrated to capture this yield-accretive demographic.13
3.2 Unrivaled Connectivity: The 6-Line Advantage
In a city that increasingly penalizes car ownership through high costs, rail connectivity is a primary value driver.
One Sophia offers what few other developments can: walking distance access to six MRT lines via four interchange stations.
| MRT Station | Walking Time (Approx) | Lines Served | Key Destinations |
| Dhoby Ghaut | 6 Mins | North-South (NS), North-East (NE), Circle (CC) | Orchard, Raffles Place, HarbourFront, Serangoon |
| Bencoolen | 3 Mins | Downtown (DT) | Bugis, Marina Bay (Downtown), Expo, Bukit Panjang |
| Bras Basah | 5 Mins | Circle (CC) | Esplanade, Paya Lebar, Stadium |
| Rochor | 6 Mins | Downtown (DT) | Little India, Newton, Botanic Gardens |
Source: 5
Analysis: This connectivity creates a “spiderweb” effect, where residents can reach almost any commercial node in Singapore—from One-North to Changi Business Park—with minimal transfers. For tenants, this ease of access justifies premium rental rates.
3.3 The Mount Sophia Enclave: A Hilltop Sanctuary
Despite its central location, Sophia Road retains a unique “hilltop” atmosphere. Historically known as Bukit Selegie, the area has been a quiet residential enclave since the 1800s.
- Heritage: The area is dotted with colonial-era architecture, such as the Mount Sophia Tower House (est. 1892) and the iconic “100 Steps” leading to the summit.15
- Serenity: Being elevated above street level and set back from the main thoroughfare of Selegie Road, residents enjoy a degree of acoustic separation from the city noise, creating a sanctuary-like environment.
- Green Lungs: The nearby Mount Emily Park offers a lush, rolling green space for jogging and relaxation, a rare commodity in the dense city center.11
3.4 Retail and Lifestyle Amenities
Residents of One Sophia will never be far from urban conveniences.
- Plaza Singapura: A massive 9-storey mall connected to Dhoby Ghaut MRT, offering everything from a Golden Village cinema to a Cold Storage supermarket and countless F&B options.11
- The Cathay: A historic cinema and lifestyle hub that is currently undergoing its own revitalization.15
- GR.iD (formerly PoMo): A youth-centric mall catering to the arts and student community with hipster cafes and creative spaces.11
- Bugis Junction & Bugis+: A short walk or one MRT stop away, providing access to high-street fashion and vibrant street food culture.16
4. Historical Context: The Legacy of Peace Centre
To fully appreciate the narrative of One Sophia, one must understand the site’s history. For nearly 50 years, the Peace Centre and Peace Mansion stood as a landmark at 1 Sophia Road.
Completed in the mid-1970s, it was one of Singapore’s earliest mixed-use complexes, originally a symbol of post-colonial prosperity.17
4.1 The Collective Sale Saga
The journey to redevelopment was long. After several failed attempts, the site was finally sold en bloc in December 2021 for $650 million to the SingHaiyi-led consortium.4
- Land Rate: The sale price translates to a unit land rate of approximately $1,426 psf per plot ratio (ppr), after factoring in the lease top-up premium to refresh the tenure to 99 years.2
- Market Context: This land rate is relatively attractive compared to recent Government Land Sales (GLS) bids in the CCR, allowing the developer to price the new launch competitively while maintaining healthy profit margins.18
4.2 The “PlayPan” Experiment
Before demolition, the developers launched a unique social experiment called “PlayPan.”
They opened the empty mall to the community, inviting artists, social enterprises, and skaters to utilize the space.
- Cultural Impact: This initiative transformed the “doomed” mall into a vibrant canvas of street art, charity shops, and community events, generating massive goodwill and highlighting the site’s potential as a cultural node.17
- Design Influence: The spirit of PlayPan—creativity, community, and vibrancy—has influenced the design of One Sophia, particularly in its communal spaces and retail podium, which aims to be more than just a transaction point, but a gathering place.1
5. Architectural Design: Biophilia and Modernity
The architectural vision for One Sophia is led by ADDP Architects and studioMilou.11 Their collaboration brings together local expertise in high-density living (ADDP) with international flair in adaptive reuse and cultural architecture (studioMilou, known for the National Gallery Singapore).
5.1 “City in a Garden” Concept
The design philosophy is deeply rooted in Singapore’s “City in Nature” vision. The development is conceptualized not as a concrete block, but as a vertical extension of the greenery from Mount Sophia and the Istana Park.
- Suspended Garden: A striking architectural feature, this “floating tapestry” of greenery spans across the development, visually breaking the building mass and creating a cooling microclimate.1
- Curvilinear Forms: The facade utilizes soft, curved lines and glass curtain walls, moving away from the brutalist geometry of the old Peace Centre. This softens the visual impact of the building and allows for panoramic views of the city skyline.1
- Vertical Greenery: Planters and green walls are integrated into the residential towers and commercial podium, reducing the urban heat island effect and enhancing privacy for residents.11
5.2 Sustainable Living (Green Mark Gold Plus)
Sustainability is a core pillar of the development. One Sophia has attained the BCA Green Mark Gold Plus certification, a testament to its environmental performance.20
- Energy Efficiency: The building utilizes high-performance glass to reduce solar heat gain, minimizing the load on air-conditioning systems.
- Smart Systems: Common areas are equipped with motion sensors for lighting, and a pneumatic waste conveyance system ensures hygiene and efficiency.
- Water Management: Rainwater harvesting systems are employed for landscape irrigation, reducing potable water consumption.21
6. Residential Component: The Collective at One Sophia
The residential component, known as The Collective, comprises 367 luxury units housed in two 19-storey blocks behind the commercial podium.
This setback ensures privacy and noise reduction for residents.
6.1 Unit Mix Analysis
The unit mix is strategically skewed towards smaller units, reflecting the site’s strong investment potential and rental demand.
| Unit Type | Size (sqft) | Total Units | Percentage | Target Demographic |
| Studio | 431 – 452 | 68 | 18.5% | Students, Single Expats |
| 1-Bedroom Suite | 484 – 506 | 66 | 18.0% | Young Professionals |
| 1-Bedroom Premium | 538 | 7 | 1.9% | Investors seeking quality |
| 1-Bedroom + Study | 549 | 34 | 9.3% | Hybrid Workers |
| 2-Bedroom Deluxe | 646 – 667 | 33 | 9.0% | Couples |
| 2-Bedroom Deluxe + Study | 700 | 34 | 9.3% | Young Families |
| 2-Bedroom Premium | 764 | 74 | 20.2% | Corporate Tenants |
| 2-Bedroom Premium + Study | 764 | 17 | 4.6% | Small Families |
| 3-Bedroom Premium | 1,023 | 17 | 4.6% | Established Families |
| 3-Bedroom Luxury | 1,227 – 1,249 | 17 | 4.6% | Owner-Occupiers |
Source: 12
Strategic Insight:
- Investor Dominance: Over 45% of the units are 1-bedroom or smaller. This is a deliberate response to the “Education Belt” location, where small, easy-to-rent units are in highest demand.
- The “Sweet Spot” 2-Bedder: The 2-Bedroom Premium at 764 sqft is designed to be efficient yet functional, keeping the quantum attractive (approx. $2.1M – $2.3M) while offering two bathrooms, a critical feature for tenants sharing a unit.12
- Exclusivity of Large Units: With only 34 units of 3-bedroom configurations, these rare assets will likely command a premium due to scarcity. They cater to families who want to live in the city center near top schools like St. Margaret’s.
6.2 Detailed Floor Plan Reviews
1-Bedroom + Study (Type 1S1 – 549 sqft):
This layout addresses the post-pandemic need for a dedicated workspace.
- The Study: Unlike some developments where the “study” is merely a widened corridor, this unit features a designated nook that can fit a proper work desk and shelving.
- Jack-and-Jill Bathroom: The bathroom has dual access from the master bedroom and the living/dining area. This allows guests to use the facilities without entering the private bedroom sanctuary, a layout feature highly enlarged by tenants.22
3-Bedroom Luxury (Type 3D1 – 1,227 sqft):
This is the flagship layout for owner-occupiers.
- Grand Arrival: These units typically feature a private lift lobby (subject to confirmation), offering a sense of arrival and exclusivity.
- Wet & Dry Kitchen: The layout includes a distinct wet kitchen for heavy cooking and a dry kitchen island for light preparation and entertaining. This separation is a hallmark of luxury CCR properties.23
- Living/Dining Width: The layout prioritizes a wide frontage for the living and dining areas, maximizing natural light and views through the balcony screens.24
6.3 Interior Specifications and Smart Home Features
The developer has spared no expense in outfitting the units with premium finishes.
- Smart Home Hub: All units come with a smart home gateway that controls air-conditioning, lighting, and the digital lockset via a mobile app. This future-proofs the home and adds convenience for tech-savvy residents.4
- Kitchen Appliances: Kitchens are equipped with appliances from top-tier brands (typically V-Zug, Bosch, or Miele in this segment), ensuring durability and style.4
- Sanitary Wares: Bathrooms feature fittings from reputable brands like Hansgrohe and Duravit.
- Natural Stone: Marble flooring is used in the living and dining areas of larger units, adding a touch of timeless elegance.26
7. Commercial Component: One Sophia
The commercial component of the development, branded as One Sophia, is a significant asset that distinguishes this project from pure residential condos.
7.1 The Strata Office Opportunity
One Sophia offers 122 strata-titled office units. This is a rare investment opportunity in the Singapore market.
- Policy Constraints: The URA has restricted the strata subdivision of commercial buildings in key central areas (like parts of the CBD and Orchard Road) to encourage single-ownership management. This makes existing or approved strata office supplies like One Sophia increasingly scarce.
- No ABSD: Unlike residential property, commercial real estate is exempt from Additional Buyer’s Stamp Duty (ABSD). This makes it an attractive option for local investors who already own residential property, as well as foreign investors who would otherwise face a 60% ABSD on residential purchases.6
- No SSD: There is generally no Seller’s Stamp Duty (SSD) for commercial properties, allowing for greater liquidity (though holding for capital appreciation is usually the strategy).
- Foreign Ownership: Foreigners are eligible to buy commercial strata units without restriction.
Market Demand: The demand for strata offices in the city fringe is driven by family offices, boutique law firms, and medical consultancies that desire a prestigious central address but do not need the massive floor plates of a CBD skyscraper.
7.2 The Retail Podium
The 127-unit retail podium spans two levels.
- Convenience: For residents, this means having cafes, restaurants, clinics, and potentially a supermarket right downstairs—an invaluable convenience in Singapore’s tropical climate.
- Vibrancy: The retail mix serves as an anchor for the community, drawing footfall from the nearby offices and schools, and keeping the precinct lively after office hours.
8. Lifestyle and Facilities: The Vertical Sanctuary
The Collective at One Sophia is designed to be a sanctuary in the sky.
Facilities are distributed across the landscape deck and rooftops to maximize views and privacy.
8.1 Key Facilities
- Azure Pool: A stunning lap pool surrounded by landscaping, providing a resort-like experience in the heart of the city.10
- Sky Alcove: Located on the upper floors, these observation decks offer panoramic views of the Marina Bay skyline and the Civic District, perfect for evening relaxation.
- The Playpen & Social Room: These communal spaces are designed to foster interaction among residents, echoing the “community spirit” of the former Peace Centre’s PlayPan era.10
- Co-Working Spaces: Recognizing the hybrid work trend, the development includes “One SOcial” zones equipped with power points and Wi-Fi, allowing residents to work effectively outside their units.
- Fitness Zone: A fully equipped gym and outdoor fitness corners cater to health-conscious residents.
8.2 Concierge Services
To complement the luxury hardware, the development is expected to offer concierge services (managed by the MCST) to assist residents with parcel collection, facility bookings, and general enquiries, adding a layer of “soft luxury” to the living experience.
9. Market Analysis and Competitive Landscape
In a market defined by high interest rates and cooling measures, pricing and value retention are paramount.
9.1 Price Analysis: A Value Proposition
The Collective at One Sophia launched with average prices in the range of $2,700 – $2,800 psf. Let’s compare this against its primary competitors in the CCR and RCR.
| Project | District | Tenure | Launch/Current PSF (Approx) | Status | Comparison Verdict |
| The Collective at One Sophia | D09 | 99-Year | $2,706 – $3,029 | New Launch | Value Buy |
| Midtown Modern | D07 | 99-Year | ~$3,000 – $3,500 | Sold Out | Higher price, similar connectivity |
| Canninghill Piers | D06 | 99-Year | ~$2,900 – $3,200 | Sold Out | Riverfront premium |
| Union Square Residences | D01 | 99-Year | ~$2,800 – $3,800 | Upcoming | CBD premium 27 |
| Sophia Hills | D09 | 99-Year | ~$2,100 – $2,300 | Resale (2018) | Cheaper, but older & pure residential |
| Haus on Handy | D09 | 99-Year | ~$2,600 – $2,900 | Resale (2023) | Comparable pricing, closer to Plaza Sing |
Source: 5
Analysis: One Sophia is priced competitively, sitting below the benchmark set by recent integrated developments like Midtown Modern and Canninghill Piers.
While resale options like Sophia Hills are cheaper, they lack the “new launch” appeal, the integrated commercial component, and the modern design specs of One Sophia.
The price gap between One Sophia and the upcoming Union Square Residences (D1) highlights One Sophia as a more accessible entry point into prime mixed-use living.28
9.2 Rental Yield Projections
- Residential Yield: District 9 rental yields typically range from 3.0% to 3.5%. However, smaller units in highly connected locations often outperform. Given the strong demand from the Education Belt, a 1-bedroom unit at One Sophia (approx. $1.4M) could command rents of $4,500 – $5,000 per month, potentially pushing gross yields to ~4%, which is attractive for a prime district property.30
- Commercial Yield: Strata office yields are generally higher. Based on current market rates of $9.85 – $10.75 psf for Grade A offices in the vicinity, investors could expect gross yields of 3.55% – 3.87%.6
9.3 2026 Macro Outlook
The Singapore property market in 2026 is stabilizing.
- Interest Rates: As global interest rates ease, the cost of borrowing is becoming more manageable, likely spurring renewed interest in the property market.
- Flight to Quality: Investors are prioritizing assets that offer “safety” and “utility.” Integrated developments like One Sophia, which offer convenience and are located in established districts, fit this criteria perfectly.31
- Foreign Demand: Despite the 60% ABSD, Singapore remains a top destination for Ultra-High-Net-Worth Individuals (UHNWIs) seeking a safe haven. While they may be deterred from residential purchases, the strata office component of One Sophia offers them a viable investment vehicle.
10. The URA Master Plan: Transforming Dhoby Ghaut
The most compelling long-term value driver for One Sophia is the URA Master Plan 2025, which envisions a radical transformation of the Orchard Road and Dhoby Ghaut precincts.
10.1 Orchard Road as a Green Corridor
The URA plans to transform Orchard Road into a “lush green corridor.” This involves more than just planting trees; it reimagines the entire streetscape as a pedestrian-friendly, garden-like environment connecting the Botanic Gardens to Fort Canning.32
- Value Impact: Properties fronting green corridors historically appreciate as livability improves.
10.2 Pedestrianization of Dhoby Ghaut
A game-changing initiative is the planned pedestrianization of the Orchard Road stretch between Handy Road and Buyong Road (right in front of Plaza Singapura and the Istana).
- Istana Park Expansion: Traffic will be diverted to Penang Road, allowing Istana Park to expand to three times its current size. It will merge with Dhoby Ghaut Green and the Penang Road Open Space to create a massive green lung.7
- Car-Free Zone: This area will become a car-free lifestyle zone suitable for festivals, events, and family recreation.
- Connectivity: One Sophia residents will be able to walk directly into this expanded park, effectively treating it as their “front yard.” This addresses a historical weakness of the area—a lack of large, contiguous green spaces for families.7
11. Investment Verdict: A Strategic Buy
The Collective at One Sophia represents a convergence of favorable factors: a strategic location, a rejuvenating precinct, a scarcity of product type (strata offices), and a competitive price point.
Pros:
- High Connectivity: 6 MRT lines within walking distance is a logistical superpower.
- Structural Rental Demand: The “Education Belt” ensures a constant flow of tenants.
- Strata Office Option: Rare opportunity for ABSD-free investment in D9.
- Future Upside: Direct beneficiary of the Dhoby Ghaut transformation and Istana Park expansion.
- Integrated Convenience: Retail and office components add massive lifestyle value.
Cons:
- Leasehold Tenure: It is a 99-year leasehold project in a district with many freehold options (though usually at a higher price premium).
- Density: The area is busy and high-density, which may not appeal to those seeking absolute quiet.
- Competition: The rental market is competitive, though One Sophia’s “newness” and integration give it an edge.
Final Recommendation
For investors, the 1-Bedroom and 2-Bedroom units offer the best potential for yield and liquidity. For owner-occupiers, the 3-Bedroom Luxury units offer a rare chance to own a spacious home in the heart of the city’s transformation.
The strata offices are a “strong buy” for investors seeking to diversify their portfolio without ABSD exposure.
In the landscape of 2026, The Collective at One Sophia stands out not just as a residence, but as a strategic asset class poised for growth.
12. Annex: Comprehensive FAQ
Q: Is The Collective at One Sophia freehold or leasehold?
A: It is a 99-year leasehold. The lease has been topped up to a fresh 99 years starting from Dec 2023.
Q: When is the TOP date?
A: The expected TOP is 31 December 2029.
Q: Can foreigners buy the strata offices?
A: Yes, foreigners are eligible to purchase strata office units and are not subject to ABSD.
Q: Which schools are within 1km?
A: St. Margaret’s Primary School is within 1km.
Q: How many carpark lots are there?
A: There are 270 lots shared between the residential and commercial components, reflecting the development’s “car-lite” philosophy near MRT hubs.
Q: Who are the architects?
A: ADDP Architects and studioMilou.
Disclaimer: This report is for informational purposes only and does not constitute financial advice. Property investments carry risks. Potential buyers should consult with professional financial and real estate advisors before making any decisions.
SEO Strategy Implementation Notes:
- Keywords: “The Collective at One Sophia” and “One Sophia” are used in H1, H2, and naturally throughout the body. “District 9 new launch,” “strata office,” and “URA Master Plan” are woven into relevant sections.
- Structure: The report uses clear H2 and H3 headings to break up text, making it scannable for Google’s crawlers and human readers.
- Data: Tables are used for unit mix, pricing, and connectivity to improve dwell time and readability.
- Internal Linking Opportunities (Simulated): The text references “Education Belt,” “MRT Connectivity,” and “Strata Office,” which would serve as excellent anchor texts for internal linking in a live blog environment.
(End of Report)
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