How many pieces does the LEGO Trafalgar Square (21045-1) have?

The LEGO Trafalgar Square set (21045-1) contains 1197 pieces. It was released in 2019 as part of the LEGO Architecture theme.

How can I find missing parts for LEGO set 21045-1?

On BrickMissing you can check which parts from the LEGO Trafalgar Square (21045-1) you already own. Add your LEGO collection and we'll show exactly which of the 1197 pieces you're missing and which you already have.

Can I build the LEGO Trafalgar Square with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 1197 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Trafalgar Square from?

The LEGO Trafalgar Square (21045-1) belongs to the LEGO Architecture theme. You can browse all Architecture sets on BrickMissing to find more sets from this theme.

Trafalgar Square

🏷️ 21045-1•🎨 Architecture•📅 2019•🧱 1197 parts•Advanced

The LEGO Architecture 21045 Trafalgar Square set recreates London's historical landmark with 1197 pieces. This detailed interpretation showcases the National Gallery, complete with its columned facade and distinctive domed roof. The rear sections of the gallery structure are designed to be removed, granting access to a detailed interior featuring a brick-built statue and paintings. Central to the square is Nelson's Column, accurately flanked by its four iconic lions, alongside the famous square fountains and four sculpture plinths. Tree-lined borders, ornate lampposts, two classic London buses, and two black cabs populate the tiled baseplate, which depicts the square and surrounding roads. A decorative nameplate completes the display model, offering a scaled representation of the British capital's heart.

Parts Inventory

🧱 1197 parts

Part	Color	Qty
Plate 3 x 3 11212	White	3×
Tile 2 x 2 Corner 14719	White	6×
Tile 2 x 2 Corner 14719	Light Bluish Gray	2×
Panel 1 x 4 x 1 with Rounded Corners [Thin Wall] 15207	Light Bluish Gray	8×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573	Light Bluish Gray	11×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573	White	11×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573	Dark Tan	1×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573	Tan	8×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573	Dark Bluish Gray	12×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573	Dark Green	4×

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Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	15573	White	11×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	15573	Dark Tan	1×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	15573	Tan	8×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	15573	Dark Bluish Gray	12×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	15573	Dark Green	4×
Tile Special 1 x 1 with Clip with Rounded Edges	15712	Dark Bluish Gray	5×
Plate Special Round 2 x 2 with Center Stud (Jumper Plate)	18674	White	2×
Plate Special 1 x 2 with Pin Hole Underneath	18677	Black	2×
Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side	22885	White	2×
Plate 2 x 2 Corner	2420	White	2×
Plate 2 x 2 Corner	2420	Light Bluish Gray	10×
Tile 1 x 4 with Groove	2431	White	14×
Tile 1 x 4 with Groove	2431	Black	4×
Tile 1 x 4 with Groove	2431	Light Bluish Gray	14×
Plate 2 x 12	2445	Light Bluish Gray	2×
Food Egg with 1.5mm Hole [Plain]	24946	White	1×
Tile Round 1 x 1 Quarter	25269	Light Bluish Gray	2×
Plate Special 1 x 1 Rounded with Handle	26047	Light Bluish Gray	4×
Wedge Plate 2 x 2 Cut Corner	26601	White	4×
Tile 2 x 3	26603	White	6×
Tile 2 x 3	26603	Dark Bluish Gray	2×
Brick Special 1 x 1 with Studs on 2 Adjacent Sides	26604	White	2×
Tile Special 2 x 2 Corner with Cut Corner - Facet	27263	White	4×
Tile Special 2 x 2 Corner with Cut Corner - Facet	27263	Light Bluish Gray	2×
Tile 4 x 4 Curved, Macaroni	27507	Light Bluish Gray	2×
Technic Pin with Friction Ridges Lengthwise and Center Slots	2780	Black	2×
Tile 2 x 2 Curved, Macaroni	27925	Light Bluish Gray	4×
Minifig Neckwear Bracket [One Stud] - Reinforced	28974	White	24×
Brick 2 x 4	3001	Light Bluish Gray	1×
Brick 2 x 3	3002	White	2×
Brick 2 x 3	3002	Black	2×
Brick 2 x 2	3003	Light Bluish Gray	4×
Brick 1 x 2	3004	Red	4×
Brick 1 x 2	3004	Light Bluish Gray	2×
Brick 1 x 1	3005	Light Bluish Gray	2×
Brick 1 x 6	3009	White	6×
Brick 1 x 6	3009	Light Bluish Gray	4×
Brick 1 x 4	3010	White	4×
Brick Special 1 x 2 Palisade [aka Log]	30136	Light Bluish Gray	2×
Plate 2 x 4	3020	White	9×
Plate 2 x 3	3021	Light Bluish Gray	4×
Plate 2 x 3	3021	White	3×
Plate 2 x 2	3022	Black	2×
Plate 2 x 2	3022	White	3×
Plate 2 x 2	3022	Dark Bluish Gray	2×
Plate 2 x 2	3022	Dark Tan	1×
Plate 2 x 2	3022	Light Bluish Gray	6×
Plate 1 x 2	3023	Dark Bluish Gray	2×
Plate 1 x 2	3023	White	54×
Plate 1 x 2	3023	Black	2×
Plate 1 x 2	3023	Dark Tan	2×
Plate 1 x 2	3023	Trans-Clear	8×
Plate 1 x 2	3023	Trans-Brown	4×
Plate 1 x 1	3024	Dark Bluish Gray	4×
Plate 1 x 1	3024	Black	1×
Plate 1 x 1	3024	Trans-Clear	6×
Plate 1 x 1	3024	White	86×
Plate 1 x 1	3024	Red	2×
Plate 1 x 1	3024	Trans-Brown	56×
Plate 1 x 1	3024	Light Bluish Gray	15×
Plate 6 x 12	3028	Black	4×
Plate 4 x 12	3029	Dark Tan	2×
Plate 4 x 10	3030	Black	5×
Plate 4 x 4	3031	Dark Bluish Gray	1×
Plate 4 x 4	3031	White	2×
Plate 4 x 6	3032	Black	3×
Plate 2 x 8	3034	Tan	2×
Bar 4L (Lightsaber Blade / Wand)	30374	Trans-Light Blue	2×
Slope 45° 2 x 3	3038	White	2×
Brick Round 1 x 1 Open Stud	3062b	Pearl Gold	4×
Brick Round 1 x 1 Open Stud	3062b	White	2×
Brick 1 x 2 without Bottom Tube	3065	Trans-Light Blue	4×
Tile 2 x 2 with Groove	3068b	Dark Tan	4×
Tile 2 x 2 with Sailing Ship and Moon Print	3068bpr0197	Dark Tan	1×
Tile 2 x 2 with Colored Kitten with Party Hat Print	3068bpr0354	White	1×
Tile 1 x 2 with Groove	3069b	White	10×
Tile 1 x 2 with Groove	3069b	Dark Bluish Gray	10×
Tile 1 x 2 with Groove	3069b	Light Bluish Gray	12×
Tile 1 x 2 with Groove	3069b	Red	5×
Tile 1 x 2 with Groove	3069b	Trans-Clear	4×
Tile 1 x 2 with Groove	3069b	Dark Tan	4×
Tile 1 x 1 with Groove	3070b	Dark Green	6×
Tile 1 x 1 with Groove	3070b	Dark Bluish Gray	8×
Tile 1 x 1 with Groove	3070b	Trans-Light Blue	8×
Tile 1 x 1 with Groove	3070b	Light Bluish Gray	16×
Tile 1 x 1 with Groove	3070b	Medium Nougat	8×
Tile 1 x 1 with Groove	3070b	Black	4×
Tile 1 x 1 with Groove	3070b	White	10×
Tile 1 x 1 with Groove	3070b	Dark Orange	10×
Tile 1 x 1 with Black Cross, Dark Bluish Grey/Dark Red Button print	3070bpr0160	Light Bluish Gray	1×
Tile 1 x 1 with Rainbow, Sand Red, Yellow, Dark Azure, Medium Blue, Dark Purple print	3070bpr0192	White	1×
Tile 1 x 1 with Unicorn Painting print	3070bpr0195	Red	1×
Tile 1 x 1 with Swirl, Van Gogh Painting print	3070bpr0196	Red	1×
Tile 1 x 1 with Rainbow, Sand Red, Yellow, Dark Azure, Medium Blue, Dark Purple, Cloud print	3070bpr0199	White	2×
Technic Brick 1 x 2 [2 Pin Holes]	32000	Tan	4×
Plate Special 1 x 2 with Door Rail	32028	White	3×
Technic Pin Long without Friction Ridges	32556	Tan	2×
Slope Curved 2 x 2 x 2/3 Inverted	32803	Light Bluish Gray	2×
Plate Round 1 x 1 with Hollow Stud and Horizontal Bar 1L	32828	Light Bluish Gray	2×
Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side	32952	White	2×
Plate Special 2 x 2 with Only 2 studs	33909	White	10×
Plate Special 2 x 2 with Only 2 studs	33909	Light Bluish Gray	1×
Plate 1 x 8	3460	Dark Bluish Gray	2×
Plate 1 x 8	3460	White	2×
Brick 1 x 3	3622	White	8×
Plate 1 x 3	3623	White	6×
Plate 1 x 3	3623	Dark Bluish Gray	6×
Plate 1 x 3	3623	Light Bluish Gray	6×
Plate 1 x 3	3623	Red	4×
Fence Lattice 1 x 4 x 1	3633	Light Bluish Gray	2×
Plate 1 x 6	3666	Light Bluish Gray	4×
Plate 1 x 6	3666	White	3×
Plate 1 x 6	3666	Dark Bluish Gray	1×
Plate 1 x 4	3710	Red	4×
Plate 1 x 4	3710	White	12×
Plate 1 x 4	3710	Light Bluish Gray	12×
Plate 2 x 6	3795	Light Bluish Gray	5×
Plate 2 x 10	3832	Light Bluish Gray	2×
Antenna 1 x 4 with Flat Top	3957b	Black	1×
Plate 6 x 6	3958	Dark Bluish Gray	1×
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	4032a	Light Bluish Gray	8×
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	4032a	Light Bluish Gray	23×
Tile 1 x 8 with Groove	4162	Black	9×
Tile 1 x 8 with Groove	4162	White	4×
Tile 1 x 8 with Groove	4162	Dark Bluish Gray	1×
Tile 1 x 8 with "Trafalgar Square" print	4162pr0069	Black	1×
Wedge 4 x 2 Right	41767	Black	1×
Wedge 4 x 2 Left	41768	Lime	1×
Technic Pin 1/2	4274	Black	8×
Plate 2 x 16	4282	Light Bluish Gray	2×
Support Round 1 x 1 x 6 Solid Pillar	43888	White	1×
Plate 1 x 10	4477	Dark Bluish Gray	4×
Brick Special 1 x 1 Studs on 4 Sides	4733	White	1×
Dish 2 x 2 Inverted [Radar]	4740	White	2×
Dish 2 x 2 Inverted [Radar]	4740	Trans-Light Blue	8×
Panel 1 x 2 x 1 [Rounded Corners]	4865b	Tan	2×
Panel 1 x 2 x 1 [Rounded Corners]	4865b	Dark Bluish Gray	2×
Panel 1 x 2 x 1 [Rounded Corners]	4865b	Light Bluish Gray	14×
Brick Round 3 x 3 Dome with Center Stud	49308	Light Bluish Gray	1×
Brick Special 1 x 2 with Studs on 2 Sides	52107	Red	2×
Slope 30° 1 x 1 x 2/3 (Cheese Slope)	54200	Light Bluish Gray	8×
Slope 30° 1 x 1 x 2/3 (Cheese Slope)	54200	Dark Bluish Gray	5×
Slope 30° 1 x 1 x 2/3 (Cheese Slope)	54200	Trans-Clear	24×
Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye	58176	Light Bluish Gray	1×
Plate Special 1 x 2 with Handle on End [Closed Ends]	60478	Red	2×
Plate 1 x 12	60479	White	4×
Plate 1 x 12	60479	Light Bluish Gray	4×
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]	60897	White	16×
Brick 1 x 12	6112	Light Bluish Gray	2×
Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]	61252	White	2×
Slope 18° 2 x 1 x 2/3 with 4 Slots / Grate	61409	White	2×
Plate Round 1 x 1 with Solid Stud	6141	Black	10×
Plate Round 1 x 1 with Solid Stud	6141	Lime	18×
Plate Round 1 x 1 with Solid Stud	6141	Light Bluish Gray	25×
Plate Round 1 x 1 with Solid Stud	6141	Trans-Clear	8×
Plate Round 1 x 1 with Solid Stud	6141	Trans-Light Blue	8×
Plate Round 1 x 1 with Solid Stud	6141	Light Bluish Gray	2×
Plate Round 1 x 1 with Solid Stud	6141	Dark Bluish Gray	11×
Plate Special 4 x 4 with Studs on One Edge [Plain]	6179	White	2×
Plate Special 4 x 6 with Studs on 3 Edges	6180	Light Bluish Gray	1×
Panel 1 x 1 x 1 Corner	6231	Light Bluish Gray	2×
Panel 1 x 1 x 1 Corner	6231	Dark Bluish Gray	2×
Tile 1 x 3	63864	Black	4×
Tile 1 x 3	63864	Dark Green	4×
Tile 1 x 3	63864	Red	2×
Tile 1 x 3	63864	White	2×
Tile 1 x 3	63864	Light Bluish Gray	8×
Plate Special 1 x 2 with Clip Horizontal on End	63868	Reddish Brown	2×
Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3	64644	Dark Brown	10×
Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3	64644	Black	6×
Plate Special 4 x 4 with 2 x 2 Opening	64799	Light Bluish Gray	2×
Technic Brick 1 x 1 with Pin Hole	6541	White	8×
Technic Brick 1 x 1 with Pin Hole	6541	Dark Bluish Gray	4×
Technic Brick 1 x 1 with Pin Hole	6541	Light Bluish Gray	2×
Tile 1 x 6 with Groove	6636	Light Bluish Gray	5×
Tile 1 x 6 with Groove	6636	White	6×
Tile 1 x 6 with Groove	6636	Dark Bluish Gray	1×
Plate Round 1 x 1 with Open Stud	85861	White	31×
Slope 30? 1 x 2 x 2/3	85984	White	7×
Tile 2 x 4 with Groove	87079	Dark Bluish Gray	8×
Tile 2 x 4 with Groove	87079	Light Bluish Gray	11×
Brick Special 1 x 1 with Stud on 1 Side	87087	Light Bluish Gray	2×
Panel 1 x 2 x 2 [Side Supports / Hollow Studs]	87552	White	1×
Plate Special 2 x 2 with Groove and Center Stud (Jumper)	87580	White	2×
Bar 3L	87994	White	18×
Minifig Trophy Statuette	90398	White	1×
Minifig Trophy Statuette	90398	Dark Bluish Gray	2×
Minifig Trophy Statuette	90398	Pearl Gold	1×
Plate Special 6 x 8 Trap Door Frame Horizontal [Long Pin Holders]	92107	Black	2×
Plate Special 6 x 8 Trap Door Frame Horizontal [Long Pin Holders]	92107	White	1×
Plate 8 x 16	92438	Tan	1×
Plate Special 1 x 4 with 2 Studs	92593	Light Bluish Gray	2×
Plate Special 1 x 4 with 2 Studs	92593	White	2×
Brick and Axle Separator v2.0	96874	Orange	1×
Tile Round 1 x 1	98138	Olive Green	13×
Brick Special 1 x 2 with Masonry Brick Profile	98283	Light Bluish Gray	8×
Large Figure Weapon, Barrel with 2 Pin Holes and 3 Axle Holes	98585	White	2×
Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised	99206	Tan	3×
Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised	99206	Light Bluish Gray	2×
Bracket 1 x 2 - 1 x 2 Inverted	99780	White	2×

Build DNA

Parts inventory insights for Trafalgar Square

1,197 pieces puts this build +55% against the average Architecture set and +191% against the average 2019 release.

LEGOARCHITECTURE

Vs average Architecture set

+55%+425 parts

This set1,197

Average set772

Average Architecture set: 772 pieces across 64 other sets.

Vs average 2019 set

+191%+785 parts

This set1,197

Average set412

Average 2019 set: 412 pieces across 448 other sets.

Color profile

22different colors

Dominant color

White

White441x

37%

Light Bluish Gray301x

25%

Dark Bluish Gray96x

Black73x

Unique parts

9.9 pieces per unique type

121

Repeat factor

Average pieces per unique type.

10x

Most used part

Plate 1 x 1

170x

Results are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.

This site is not affiliated with or endorsed by the LEGO Group.

Build Insights🧩121unique parts🎨22different colors📊54.4avg. parts per color🏆170×Plate 1 x 1

🎨 All Architecture sets 📅 All sets from 2019

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