
The Collective at One Sophia
District 9 · 367 homes · 99-year leasehold · Launched November 2024
Artist's impression: Sophia Residential Pte. Ltd. and Sophia Commercial Pte. Ltd.
All 26 stacks of The Collective at One Sophia (1A and 1B Sophia Road) in 3D on the real map, beside the buildings around them at their real heights. Pick a stack and a storey to see its facing, its view and its hours of sun. Prices, the unit mix and its grade are on the The Collective at One Sophia launch page.
Coolest stacksEvery stack ranked by direct sun after 2pm, least first.OpenHide
Working out every stack…
How to read the map and the colours
Every home is drawn floor by floor, coloured by unit type, in the same colours as the developer’s unit distribution chart. Tap a stack or its number to pick it. Drag to move the map; hold Ctrl or Command and drag (or right-drag) to turn and tilt it. On a phone, one finger moves it and two fingers pinch, twist and tilt it. Zoom in to see every stack number. Navy: your stack. Orange: your storey. Dashed gold line: the view straight out of the window. Dark patches: shadows of the taller buildings at 15:00 on 16/10.
- Studio
- 1-Bedroom Suite
- 1-Bedroom Premium
- 1-Bedroom + Study
- 2-Bedroom Deluxe
- 2-Bedroom Deluxe + Study
- 2-Bedroom Premium
- 2-Bedroom Premium + Study
- 3-Bedroom Premium
- 3-Bedroom Luxury
The Collective at One Sophia in brief
- Price
- $1,250,000 to $3,664,000 on the developer’s price list as at 15 Oct 2026.
- Least afternoon sun
- No stack stays under an hour of sun after 2pm in every month.
- Blocked view
- Stacks #24 (storeys 3 to 4), #24 (storeys 5 to 19), #25, #26, #27, #28 and 9 more: face Block 1B, Wilkie Edge (Citadines Mount Sophia), Block 1A and 1 more, as tall as the stack or taller.
Read at the middle storey of each stack. The tool above shows any storey.
Every stack at a glance
Show the table of all 26 stacksHide the table
Computed for the middle storey of each tower (storey 10 in the 19-storey blocks), or the middle of its own storeys for a stack that does not have that storey. Sun columns are hours of direct sun on the window on 21 June and 21 December after shading by other buildings; “Afternoon sun” lists the months with an hour or more after 2pm. Open the tool for any other storey or date.
Block 1A · 19 storeys · 12 stacks
| Stack | Type | Faces | Looks onto | Buildings straight ahead | 21 Jun | 21 Dec | Afternoon sun |
|---|---|---|---|---|---|---|---|
| #21 | 1-Bedroom Suite | NNE 16° | Sophia Road, 11 m | Wilkie Edge (Citadines Mount Sophia), 42 m (seen over from storey 17) | 10.8h | 0h | Apr–Aug |
| #22 | 2-Bedroom Deluxe | NNE 16° | Sophia Road, 12 m | Wilkie Edge (Citadines Mount Sophia) (lower part), 41 m (seen over from storey 9) | 12.1h | 0h | Apr–Aug |
| #23 | 3-Bedroom Luxury | NNE 16° | Sophia Road, 11 m | Wilkie Edge (Citadines Mount Sophia) (lower part), 39 m (seen over from storey 9) | 12.1h | 0h | Apr–Aug |
| #24 (storeys 3 to 4) | 1-Bedroom Premium | SSW 196° | Azure Pool, 6 m | Block 1B, 13 m (at least as tall as this stack) | 0h | 1.5h | Mar–Apr, Sep |
| #24 (storeys 5 to 19) | 2-Bedroom Premium | SSW 196° | Azure Pool, 6 m | Block 1B, 13 m (at least as tall as this stack) | 0h | 2.8h | Feb–Apr, Aug–Oct |
| #25 | 2-Bedroom Premium + Study | SSW 196° | Azure Pool, 6 m | Block 1B, 13 m (at least as tall as this stack) | 0h | 3.3h | Feb–Apr, Sep–Oct |
| #26 | 2-Bedroom Deluxe + Study | SSW 196° | Azure Pool, 6 m | Block 1B, 13 m (at least as tall as this stack) | 0h | 3.7h | Feb–Apr, Sep–Oct |
| #27 | 2-Bedroom Deluxe + Study | SSW 196° | Azure Spa, 6 m | Block 1B, 13 m (at least as tall as this stack) | 0h | 6.6h | Sep–Apr |
| #28 | 2-Bedroom Premium | SSW 196° | Azure Spa, 6 m | Block 1B, 13 m (at least as tall as this stack) | 0h | 6.6h | Sep–Apr |
| #29 (storey 5) | 1-Bedroom Premium | NNE 16° | Sophia Road, 9 m | Wilkie Edge (Citadines Mount Sophia), 42 m (at least as tall as this stack) | 9.4h | 0h | Apr–Aug |
| #29 (storeys 6 to 19) | 2-Bedroom Premium | NNE 16° | Sophia Road, 9 m | Wilkie Edge (Citadines Mount Sophia), 43 m (seen over from storey 17) | 10.9h | 0h | Apr–Aug |
| #30 | 1-Bedroom Suite | NNE 16° | Sophia Road, 10 m | Wilkie Edge (Citadines Mount Sophia), 42 m (seen over from storey 17) | 10.8h | 0h | Apr–Aug |
Block 1B · 19 storeys · 14 stacks
| Stack | Type | Faces | Looks onto | Buildings straight ahead | 21 Jun | 21 Dec | Afternoon sun |
|---|---|---|---|---|---|---|---|
| #31 | 1-Bedroom Suite | NNE 16° | Azure Pool, 2 m | Block 1A, 13 m (at least as tall as this stack) | 4.3h | 0h | Apr–Aug |
| #32 | 1-Bedroom + Study | NNE 16° | Azure Pool, 2 m | Block 1A, 13 m (at least as tall as this stack) | 4.7h | 0h | Apr–Aug |
| #33 | 1-Bedroom + Study | NNE 16° | Azure Pool, 2 m | Block 1A, 13 m (at least as tall as this stack) | 5.8h | 0h | Apr–Aug |
| #34 | 3-Bedroom Premium | NNE 16° | Azure Pool, 2 m · Fitness Zone, 34 m | Block 1A, 13 m (at least as tall as this stack) | 7.4h | 0h | Apr–Aug |
| #35 | 2-Bedroom Deluxe | SSW 196° | Out of the estate: Sophia Residence (13 Sophia Road), 74 m | Sophia Residence (13 Sophia Road), 74 m (seen over from storey 5) | 0h | 8.8h | Oct–Mar |
| #36 | Studio | SSW 196° | Out of the estate: Sophia Residence (15 Sophia Road), 14 m | Sophia Residence (15 Sophia Road), 14 m (seen over from storey 15) | 0h | 9.0h | Sep–Mar |
| #37 | Studio | SSW 196° | Out of the estate: Sophia Residence (15 Sophia Road), 16 m | Sophia Residence (15 Sophia Road), 16 m (seen over from storey 15) | 0h | 10.6h | Aug–Apr |
| #38 | Studio | SSW 196° | Out of the estate: Sophia Residence (15 Sophia Road), 15 m | Sophia Residence (15 Sophia Road), 15 m (seen over from storey 15) | 0h | 10.8h | Aug–Apr |
| #39 | Studio | SSW 196° | Out of the estate: Sophia Residence (15 Sophia Road), 17 m | Sophia Residence (15 Sophia Road), 17 m (seen over from storey 15) | 0h | 8.8h | Aug–Apr |
| #40 (storeys 3 to 4) | 1-Bedroom Premium | SSW 196° | Out of the estate: Sophia Residence (15 Sophia Road), 19 m | Sophia Residence (15 Sophia Road), 19 m (at least as tall as this stack) | 0h | 6.7h | Sep–Apr |
| #40 (storeys 5 to 19) | 2-Bedroom Premium | SSW 196° | Out of the estate: Sophia Residence (15 Sophia Road), 20 m | Sophia Residence (15 Sophia Road), 20 m (seen over from storey 15) | 0h | 9.3h | Aug–Apr |
| #41 (storeys 3 to 4) | 1-Bedroom Premium | NNE 16° | Azure Spa, 2 m · Residential Drop-off, 12 m | Block 1A, 13 m (at least as tall as this stack) | 1.4h | 0h | Apr |
| #41 (storeys 5 to 19) | 2-Bedroom Premium | NNE 16° | Azure Spa, 3 m · Residential Drop-off, 12 m | Block 1A, 13 m (at least as tall as this stack) | 3.4h | 0h | Apr–Aug |
| #42 | 1-Bedroom Suite | NNE 16° | Azure Spa, 2 m · Residential Drop-off, 12 m | Block 1A, 13 m (at least as tall as this stack) | 4.1h | 0h | Apr–Aug |
Frequently asked questions
How much is a home at The Collective at One Sophia?
The developer’s price list as at 15 Oct 2026.
Studio
- $1,250,000 to $1,289,000
- from $2,765 psf
- 10 left
1-bedroom
- $1,330,000 to $1,551,000
- from $2,689 psf
- 94 left
2-bedroom
- $1,728,000 to $2,258,000
- from $2,591 psf
- 133 left
3-bedroom
- $2,832,000 to $3,664,000
- from $2,768 psf
- 32 left
These are asking prices and they change as homes sell, so ask for the latest list before you decide.
Which The Collective at One Sophia stacks avoid the afternoon sun?
No stack avoids the afternoon sun in every month at mid-height; use the tool to compare storeys.
Which The Collective at One Sophia stacks take the afternoon sun most of the year?
No stack takes the afternoon sun in ten or more months at mid-height.
Which The Collective at One Sophia stacks have the most open view?
The most open stacks at mid-height:
- #21
- #22
- #29 (storeys 6 to 19)
- #30
- #35
- #41 (storeys 5 to 19)
Which The Collective at One Sophia stacks look straight at another block?
These face a building at least as tall as themselves, so no storey looks over it.
Block 1B
- #24 (storeys 3 to 4) · 13 m
- #24 (storeys 5 to 19) · 13 m
- #25 · 13 m
- #26 · 13 m
- #27 · 13 m
- #28 · 13 m
Wilkie Edge (Citadines Mount Sophia)
- #29 (storey 5) · 42 m
Block 1A
- #31 · 13 m
- #32 · 13 m
- #33 · 13 m
- #34 · 13 m
- #41 (storeys 3 to 4) · 13 m
- #41 (storeys 5 to 19) · 13 m
- #42 · 13 m
Sophia Residence (15 Sophia Road)
- #40 (storeys 3 to 4) · 19 m
Which The Collective at One Sophia stacks face a pool?
Grouped by the pool each stack looks onto.
Azure Pool
- #24 (storeys 3 to 4)
- #24 (storeys 5 to 19)
- #25
- #26
- #31
- #32
- #33
- #34
Azure Spa
- #27
- #28
- #41 (storeys 3 to 4)
- #41 (storeys 5 to 19)
- #42
Counts when at least a quarter of the window looks onto water before another tower.
Which The Collective at One Sophia stacks face a road?
Grouped by the road each stack looks onto.
Sophia Road
- #21
- #22
- #23
- #29 (storey 5)
- #29 (storeys 6 to 19)
- #30
Road within 80 m straight ahead, with no other tower of the project in between.
Can I see the The Collective at One Sophia floor plans?
Yes. Pick a stack and its floor plan shows beside the map, as the developer published it: 12 layouts, each with its size, the units it applies to and a key plan. Tap it to enlarge.
How this is worked out, and its limits
Stacks are traced from the developer’s site plan onto the map, and the sun and view are worked out against the buildings around them. Details are as at 2026-10-01 and can change.
Show the method and its limitsHide the method
Where the stacks are. Each stack’s outline is traced from the developer’s site plan and fitted to the land parcel on the map. Expect positions within a few metres and bearings within a few degrees. Unit types come from the developer’s unit distribution chart and add up to the published unit mix, and the map uses those same colours; 26 of the 26 stacks are also named on the developer’s floor plans, and all of those match.
Facing. The facing is the side the living room and balcony are on, read from the developer’s floor plan for each of the 26 stacks. End and corner homes also have bedroom windows on a second side, which the tool does not model.
What it looks onto. The pools, lawns, courts and pavilions are read off the developer’s site plan and placed on the map with the same fit as the stacks, so they are right to within a few metres. A stack “looks onto” a pool when at least a quarter of 17 sight lines across its window (40° either side of the facing) reach the water before another tower of the project. It “faces out of the estate” when the site boundary is within 50 m straight ahead. Facility names and positions are the developer’s and can change before completion.
Heights. Towers use the developer’s storey counts at an assumed 3.3 m per storey. Buildings standing around the estate use the height in the Singapore Land Authority’s 3D model, read off OneMap 3D on 2 October 2026; where one outline covers a tower and its podium, it is cut into its parts. A building not yet in that model (still being built) uses its published storey count at 3.6 m a storey for a condo and 3.0 m for an HDB block, the averages measured for built ones. Every building is modelled as its footprint raised straight up, on level ground: no roofs, balconies, trees or slopes.
Sun. The same solar model as the Sun Path & Facing Calculator, checked to within about three minutes, with a building in the way counted as shade. The window is a point at mid-storey height on the middle of the outside wall. Balconies, overhangs and cloud cut real sun further, so read the hours as a ceiling.
Sun across the year and coolest stacks. The year grid tests the window every half hour on the 15th of each month. Coolest stacks ranks by the average of those twelve days in hours of direct sun after 2pm, least first, at the middle storey of each stack with shade from other buildings taken off; the hours for the whole day sit beside it. For a home at the end of its block the afternoon figure also counts the sun on its end wall.
Floor plans. The developer’s own pages, unaltered, matched to each stack by the layout code on the developer’s schematic diagram. A stack the plan lists as a mirror unit is the plan flipped. Floor plans: SingHaiyi Group and partners (Sophia Residential Pte. Ltd.), The Collective at One Sophia e-brochure. Developer's plans, approximate and subject to change.
Prices. Prices are the developer’s price list, as at 15 Oct 2026: its asking price for each home by unit number, with sold homes marked and “price on application” where the list gives none, read once a day. Anything the developer has not published is not shown. The “Prices + budget” button paints every unsold home by that asking price and greys the sold ones and any the list shows without a price; nothing is estimated. Prices and what is left change, so ask for the latest before you decide. Details are as at 2026-10-01 and can change. Sources: Developer website, brochures and floor plans; SingHaiyi Group corporate site; URA developer sales; URA land lot map; HDB Property Information; OpenStreetMap; OneMap.
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