Trafalgar Square #21045 — LEGO Architecture Set Value
LEGO ArchitectureWhat the Trafalgar Square #21045 LEGO set is worth — loose, complete, and sealed.
Trafalgar Square #21045 value — Loose $28 · Complete (CIB) $58 · Sealed (new) $104. Prices updated August 2026.
Theme · LEGO Architecture
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Complete-in-box price history
Monthly CIB value, based on sold comps.
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Item details
- UPC / EAN
- 0673419302487
- Brand
- LEGO
- Theme
- LEGO Architecture
- Set number
- #21045
- Release date
- January 1, 2019
Trafalgar Square #21045 (LEGO Architecture) resale value
A loose Trafalgar Square #21045 set runs around $28, a complete copy (all pieces + box + instructions) about $58, and a factory-sealed box commands $104.
What drives the price
Retired sets, completeness (every piece + minifigs + instructions + box), and sealed condition drive LEGO value. Exclusive sets and discontinued themes appreciate the most; minifigs alone can carry significant value.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Loose | $28 | eBay sold comps |
| Complete (CIB) | $58 | eBay sold comps |
| Sealed (new) | $104 | eBay sold comps |
Frequently asked questions
- What is the best way to buy this set based on my budget?
- If budget is key, the loose version is available for $27. For a complete display piece, the CIB version is $55.
- Is the sealed version significantly more valuable than the loose one?
- Yes, the sealed, new version commands the highest price at $104, compared to the loose price of $27.
- Where can I find the complete, boxed version of Trafalgar Square #21045?
- The complete (CIB) version of Trafalgar Square #21045 is available for $55.