LEGO® Architecture 21045 Trafalgar Square

LEGO® Architecture Trafalgar Square 21045 (1/7)
LEGO® Architecture Trafalgar Square 21045 (1/7)
LEGO® Architecture Trafalgar Square 21045 (2/7)
LEGO® Architecture Trafalgar Square 21045 (3/7)
LEGO® Architecture Trafalgar Square 21045 (4/7)
LEGO® Architecture Trafalgar Square 21045 (5/7)
LEGO® Architecture Trafalgar Square 21045 (6/7)
LEGO® Architecture Trafalgar Square 21045 (7/7)
The Lego set Trafalgar Square with the set number 21045 is part of the LEGO Architecture theme and is recommended for ages 16+. It was released in June 2019. The model has 1,197 pieces, and we estimate it takes around 3 hours to build. It was designed by Florian Müller, Rok Zgalin Kobe, Steen Sig Andersen.758 Brickfact users have this set in their collection.
The box measures 13.9 x 7.5 x 3.6 in (35.4 x 19.1 x 9.1 cm). The recommended retail price is $79.99.
The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about $117.04.

Lego 21045 product data

Set Information

Set ID
21045
Pieces
1197
Designer
Florian Müller, Rok Zgalin Kobe, Steen Sig Andersen
Building Time
3 hours
Age Range
16+

Availability

Release
06/2019
Retiring Status
Retired (12/2021)

Price Information

RRP
$79.99
Insiders Points (for purchase at Lego)
520
Part Out Value
$117.04

Packaging

Packaging dimensions
13.9 x 7.5 x 3.6 in
EAN (GTIN13)
5702016368321

Popularity with Brickfact users

users have this set
758
buyers in the last 12 months
31

758 Brickfact users have Trafalgar Square in their collection. 31 users bought it in the last 12 months. It ranks #9 among the most-collected Architecture sets on Brickfact.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of November 1, 2026.

LEGO 21045 price trend

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value
$81.59
Growth vs. RRP
+2.0 % $79.99
Range
$75.68 – $83.45
Average
$78.86

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Official Set Description for LEGO 21045 Trafalgar Square

Capture the essence of a historical London landmark with the LEGO® Architecture 21045 Trafalgar Square set. Named in honor of Lord Horatio Nelson following his 1805 naval victory over Napoleon, the square has since become a popular tourist attraction and preferred location for political and community gatherings. This detailed LEGO interpretation depicts the domed National Gallery complete with columned facade, Nelson's Column flanked by 4 lions, the square's famous fountains and 4 sculpture plinths. The sections at the rear of the National Gallery structure can be removed for access to a detailed interior with brick-built statue and paintings. Tree-lined borders, ornate lampposts, 2 London buses, 2 black cabs and a tiled baseplate depicting the square and surrounding roads complete the model. Finished with a decorative nameplate, this collectible building set delivers a highly satisfying building experience to all with an interest in architecture, travel, history and design, and makes a truly iconic centerpiece for the home or office.

  • LEGO® Architecture interpretation of the real-world London landmark, Trafalgar Square.
  • Features the National Gallery, Nelson’s Column flanked by 4 lions, 2 fountains, 4 sculpture plinths, 10 trees, 6 lampposts, and a tiled baseplate depicting the square and road areas complete with 2 London buses and 2 black cabs.
  • The included booklet contains information about the architecture and history of each structure, as well as historical facts about Trafalgar Square and its architectural heritage. (English language only. Other languages available for download at LEGO.com/architecture).
  • Includes a decorative Trafalgar Square nameplate.
  • LEGO® Architecture celebrates the world of architecture through the medium of the LEGO building brick and is developed for all with an interest in travel, architecture, history and design.
  • This set includes over 1,190 pieces.
  • Enjoy a pleasantly challenging and rewarding building experience with this LEGO® Architecture set.
  • Measures over 4” (12cm) high, 9” (24cm) wide and 7” (20cm) deep.

Building Instruction for LEGO 21045 Trafalgar Square

LEGO 21045 Frequently Asked Questions

Is LEGO 21045 still available?
LEGO has retired 21045 Trafalgar Square, and no retailer in our price comparison currently sells it new. Its market value on secondary marketplaces is $81.59.
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