Thomson Reserve Unit Selector
All 55 stacks of Thomson Reserve (1, 3, 5, 7, 9 and 11 Bright Hill Drive, District 20, 1,268 homes, 99-year leasehold) in 3D on the real map, next to the buildings around them at their real heights. Pick a stack and a storey to see which way it faces, what the window looks at, and how many hours of sun reach it once the neighbouring blocks are counted.
Every home is drawn floor by floor, coloured by unit type. Tap a stack or its number to pick it; drag to turn, right-drag or two fingers to tilt; zoom in to see every stack number. Pale gold: 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 30/9.
Every stack at a glance
Computed for the middle storey of each tower (storey 11 in the 21-storey blocks, 15in the 30-storey blocks). 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 1 · 21 storeys · 9 stacks
| Stack | Type | Faces | Straight ahead | 21 Jun | 21 Dec | Afternoon sun |
|---|---|---|---|---|---|---|
| #01 | 3-bed | SSE 158° · corner | Upper Thomson MRT station building, 39 m · clears from 4F | 0h | 11.2h | Nov–Feb |
| #02 | 2-bed | SSE 158° | Upper Thomson MRT station building, 47 m · clears from 4F | 0h | 11.4h | Nov–Feb |
| #03 | 2-bed | SSE 158° | Upper Thomson MRT station building, 49 m · clears from 4F | 0h | 10.3h | Nov–Feb |
| #04 | 2-bed | SSE 158° | Upper Thomson MRT station building, 49 m · clears from 4F | 0h | 9.5h | Nov–Feb |
| #05 | 3-bed | SSE 158° · corner | Upper Thomson MRT station building, 130 m · clears from 4F | 0h | 12.0h | Nov–Feb |
| #06 | 3-bed | NNW 338° | Block 9, 83 m · never clears | 9.2h | 0h | Jan, Mar–Nov |
| #07 | 2-bed | NNW 338° | Thomson Three (strata houses), 118 m · never clears | 7.4h | 0h | May–Aug |
| #08 | 2-bed | NNW 338° | Thomson Three (strata houses), 117 m · never clears | 8.0h | 0h | Mar–Sep |
| #09 | 3-bed | ENE 68° · corner | Landed houses, Bright Hill Drive, 79 m · clears from 4F | 6.7h | 4.9h | None |
Block 3 · 21 storeys · 9 stacks
| Stack | Type | Faces | Straight ahead | 21 Jun | 21 Dec | Afternoon sun |
|---|---|---|---|---|---|---|
| #10 | 3-bed | SSW 204° · corner | Thomson Plaza, 104 m · clears from 5F | 0h | 8.8h | Sep–Apr |
| #11 | 2-bed | SSW 204° | Thomson Plaza, 109 m · clears from 5F | 0h | 9.3h | Aug–Apr |
| #12 | 2-bed | SSW 204° | Thomson Plaza, 177 m · clears from 5F | 0h | 8.8h | Sep–Apr |
| #13 | 2-bed | SSW 204° | Landed houses, Jasmine Road, 166 m · clears from 5F | 0h | 9.7h | Oct–Mar |
| #14 | 4-bed | WNW 294° · corner | Landed houses, Ontario Avenue, 243 m · clears from 5F | 6.8h | 5.3h | All year |
| #15 | 4-bed | WNW 294° · corner | Landed houses, Ontario Avenue, 267 m · clears from 5F | 6.8h | 4.8h | All year |
| #16 | 2-bed | NNE 24° | Thomson Three (facilities), 97 m · never clears | 5.2h | 0h | None |
| #17 | 2-bed | NNE 24° | Thomson Three, 45 Bright Hill Drive, 120 m · never clears | 5.7h | 0h | None |
| #18 | 3-bed | NNE 24° | Thomson Three, 45 Bright Hill Drive, 117 m · never clears | 8.0h | 0h | May–Aug |
Block 5 · 30 storeys · 9 stacks
| Stack | Type | Faces | Straight ahead | 21 Jun | 21 Dec | Afternoon sun |
|---|---|---|---|---|---|---|
| #19 | 5-bed | SW 236° | Landed houses, Ontario Avenue, 236 m · clears from 5F | 5.0h | 7.3h | All year |
| #20 | 2-bed | SW 236° | Landed houses, Ontario Avenue, 95 m · clears from 5F | 5.0h | 6.5h | All year |
| #21 | 2-bed | SW 236° | Landed houses, Ontario Avenue, 94 m · clears from 5F | 4.7h | 6.8h | All year |
| #22 | 4-bed | SW 236° | Landed houses, Ontario Avenue, 94 m · clears from 5F | 5.0h | 7.1h | All year |
| #23 | 3-bed | NE 56° · corner | Blk 452 Sin Ming Court, 62 m · clears from 23F | 6.8h | 4.0h | None |
| #24 | 2-bed | NE 56° | Blk 452 Sin Ming Court, 61 m · clears from 23F | 7.1h | 4.0h | None |
| #25 | 2-bed | NE 56° | Blk 449 Sin Ming Court, 146 m · never clears | 6.8h | 3.4h | None |
| #26 | 2-bed | NE 56° | Blk 449 Sin Ming Court, 157 m · never clears | 5.7h | 2.3h | None |
| #27 | 4-bed | SE 146° · corner | Thomson Plaza, 355 m · clears from 5F | 2.3h | 6.2h | None |
Block 7 · 30 storeys · 9 stacks
| Stack | Type | Faces | Straight ahead | 21 Jun | 21 Dec | Afternoon sun |
|---|---|---|---|---|---|---|
| #28 | 3-bed | NW 315° · corner | Landed houses, Venus Road, 140 m · clears from 4F | 7.7h | 4.3h | All year |
| #29 | 2-bed | NW 315° | Landed house, 333 m · clears from 4F | 7.4h | 1.5h | All year |
| #30 | 2-bed | NW 315° | Open, nothing within 400 m | 7.2h | 3.4h | All year |
| #31 | 2-bed | NW 315° | Open, nothing within 400 m | 6.6h | 3.8h | All year |
| #32 | 4-bed | NW 315° · corner | Allium Healthcare, 193 m · clears from 5F | 7.8h | 4.1h | All year |
| #33 | 3-bed | SE 135° | Thomson Three (strata houses), 104 m · clears from 22F | 3.3h | 6.1h | None |
| #34 | 2-bed | SE 135° | Block 9, 192 m · clears from 22F | 1.2h | 5.8h | None |
| #35 | 2-bed | SE 135° | Block 9, 183 m · clears from 22F | 2.8h | 5.5h | None |
| #36 | 4-bed | SW 225° · corner | Landed houses, Ontario Avenue, 110 m · clears from 5F | 3.8h | 7.1h | All year |
Block 9 · 21 storeys · 9 stacks
| Stack | Type | Faces | Straight ahead | 21 Jun | 21 Dec | Afternoon sun |
|---|---|---|---|---|---|---|
| #37 | 3-bed | NE 34° | Thomson Three (strata houses), 14 m · never clears | 6.8h | 1.4h | Jun–Jul |
| #38 | 2-bed | NE 34° | Thomson Three (strata houses), 24 m · never clears | 7.2h | 0h | None |
| #39 | 2-bed | NE 34° | Thomson Three (strata houses), 30 m · never clears | 8.0h | 0h | Jun–Jul |
| #40 | 3-bed | NE 34° · corner | Thomson Three (facilities), 37 m · never clears | 8.5h | 1.2h | Jun–Jul |
| #41 | 3-bed | SW 214° · corner | Landed houses, Jasmine Road, 151 m · clears from 4F | 2.9h | 8.8h | All year |
| #42 | 2-bed | SW 214° | Landed houses, Carnation Drive, 192 m · clears from 4F | 2.0h | 7.7h | All year |
| #43 | 2-bed | SW 214° | Low-rise building, 131 m · clears from 4F | 0h | 8.5h | Jul–May |
| #44 | 2-bed | SW 214° | Low-rise building, 129 m · clears from 4F | 1.0h | 8.8h | All year |
| #45 | 4-bed | SW 214° | Low-rise building, 126 m · clears from 4F | 3.3h | 8.8h | All year |
Block 11 · 21 storeys · 10 stacks
| Stack | Type | Faces | Straight ahead | 21 Jun | 21 Dec | Afternoon sun |
|---|---|---|---|---|---|---|
| #46 | 3-bed | ENE 57° · corner | Blk 446 Sin Ming Court, 89 m · clears from 10F | 7.1h | 4.8h | None |
| #47 | 2-bed | ENE 57° | 20 Sin Ming Lane, 216 m · clears from 9F | 6.5h | 4.6h | None |
| #48 | 2-bed | ENE 57° | Thomson Three (facilities), 60 m · clears from 9F | 6.9h | 4.5h | None |
| #49 | 2-bed | ENE 57° | Thomson Three (facilities), 44 m · clears from 9F | 6.8h | 3.9h | None |
| #50 | 3-bed | ENE 57° · corner | Landed houses, Bright Hill Drive, 125 m · clears from 9F | 7.1h | 4.8h | None |
| #51 | 3-bed | WSW 237° · corner | Block 3, 68 m · never clears | 3.0h | 5.3h | All year |
| #52 | 2-bed | WSW 237° | Block 3, 71 m · never clears | 2.8h | 4.3h | All year |
| #53 | 2-bed | WSW 237° | Block 3, 79 m · never clears | 3.4h | 5.1h | All year |
| #54 | 2-bed | WSW 237° | Block 3, 82 m · never clears | 3.1h | 7.2h | All year |
| #55 | 3-bed | WSW 237° | Low-rise building, 191 m · clears from 4F | 3.8h | 5.0h | All year |
Frequently asked questions
- Which Thomson Reserve stacks avoid the afternoon sun?
- At mid-height, 17 stacks get less than an hour of direct sun after 2pm in every month: #09, #16, #17, #23, #24, #25, #26, #27, #33, #34, #35, #38, #46, #47, #48, #49, #50. The model counts shading by neighbouring blocks; the page's tool shows the figures for any storey.
- Which Thomson Reserve stacks take the afternoon sun most of the year?
- 23 stacks get an hour or more of direct sun after 2pm in at least ten months at mid-height: #06, #14, #15, #19, #20, #21, #22, #28, #29, #30, #31, #32, #36, #41, #42, #43, #44, #45, #51, #52, #53, #54, #55.
- Which Thomson Reserve stacks have the most open view?
- At mid-height, 15 stacks have all nine sight lines across the window (±40° of the facing) clear of any building as tall as the window within 400 m: #01, #02, #03, #04, #05, #09, #10, #11, #12, #13, #19, #20, #21, #22, #36.
- Which Thomson Reserve stacks look straight at another block?
- #06 faces Block 9 83 m away; #07 faces Thomson Three (strata houses) 118 m away; #08 faces Thomson Three (strata houses) 117 m away; #16 faces Thomson Three (facilities) 97 m away; #17 faces Thomson Three, 45 Bright Hill Drive 120 m away; #18 faces Thomson Three, 45 Bright Hill Drive 117 m away; #37 faces Thomson Three (strata houses) 14 m away; #38 faces Thomson Three (strata houses) 24 m away; #39 faces Thomson Three (strata houses) 30 m away; #40 faces Thomson Three (facilities) 37 m away; #51 faces Block 3 68 m away; #52 faces Block 3 71 m away; #53 faces Block 3 79 m away; #54 faces Block 3 82 m away. No storey in these stacks sees over it.
How this is worked out, and its limits
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. Bedroom counts come from the site plan’s colour key and add up to the published unit mix; 22 of the 55stacks are also named on the developer’s floor plans, and all of those match.
Facing.A mid-block stack faces away from the side of the block it sits on. End and corner stacks (marked “corner”) have windows on more than one side; the tool uses the main facade, so check the floor plan.
Heights. Towers use the developer’s storey counts at an assumed 3.2m per storey. HDB blocks use HDB’s highest-storey records; other buildings use their storey count or a typical height for their type. Every building is modelled as its footprint raised straight up: 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.
Not shown. Prices (the price list is not out yet), floor plans and anything the developer has not published. Details are as at 2026-09-29 and can change. Sources: Developer project details and site plan; HDB Property Information; OpenStreetMap; OneMap.
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