LEGO Harry Potter has revisited Hogwarts many times, but the current minifigure-scale lineup follows a more ambitious idea: separate buildings and interior sections are designed as parts of one modular castle system. LEGO describes the collection as a series of sets that connect to create its most detailed brick-built Hogwarts Castle scene to date.

In 2026, that system gained one of its largest additions yet: Hogwarts Castle: East Wing 76473. The 2,164-piece set includes 13 minifigures and measures 16.5 in. (42 cm) high, 12.5 in. (32 cm) wide and 15.5 in. (40 cm) deep. Its interior covers the Restricted Section of the library, a bathroom with a secret slide into the Chamber of Secrets, the Chamber itself, the Slytherin common room, plus a viaduct and bridge designed to connect with other Hogwarts sets.

The East Wing matters because it expands the system, not just the set count

On its own, 76473 is a substantial Harry Potter build. In context, though, its more important role is structural. LEGO explicitly identifies it as part of the modular Hogwarts series, so the set is best understood as another major section of an expanding castle rather than a standalone interpretation of the school.

The current system is anchored by Hogwarts Castle: The Great Hall 76435, a 1,732-piece set introduced in 2024. The Great Hall measures 15.5 in. (40 cm) high, 17.5 in. (44 cm) wide and 8.5 in. (21 cm) deep, giving the lineup a broad central building around which other sections can grow.

Smaller modules have also filled out the scene, including Hogwarts Castle: Boathouse 76426, Hogwarts Castle: Owlery 76430 and Hogwarts Castle: Potions Class 76431. LEGO markets these as parts of the same connectable collection. For anyone starting late, that matters because some earlier modules are already becoming harder to find through official retail channels.

The Main Tower and East Wing now define the scale of the project

Hogwarts Castle: The Main Tower 76454 is the vertical centerpiece of the current lineup. It contains 2,135 pieces, includes 12 minifigures and stands more than 26.5 in. (67 cm) tall, while measuring 14 in. (36 cm) wide and 5.5 in. (14 cm) deep. Its rooms include Dumbledore’s office, the Grand Staircase, Flying Keys, Wizard Chess, the Mirror of Erised and other recognizable locations.

The East Wing approaches the castle from a different direction. It is much deeper than the Main Tower and adds a large underground section built around the Chamber of Secrets. Together, the two sets show how LEGO is expanding the system in both height and footprint: one provides the skyline, while the other pushes the model outward across a display surface.

Two flagship modules already cost more than $500

At the time of writing, the US LEGO Store lists Hogwarts Castle: East Wing 76473 at $269.99 and Hogwarts Castle: The Main Tower 76454 at $259.99. Buying those two sections alone comes to $529.98 before adding The Great Hall or any of the smaller modules.

Availability is also becoming part of the collecting equation. As of September 6, 2026, the US store lists the East Wing on backorder and the Main Tower as temporarily out of stock. That status can change quickly, but it illustrates a practical issue with a modular line spread across several release waves: collectors may need to plan around both budget and stock rather than simply buying every section in order.

How much display space does the modular Hogwarts need?

There is no single official footprint for the complete current lineup. LEGO does not publish one universal measurement for every module connected in one fixed configuration, and the modular format allows different arrangements. Any precise total width or depth would therefore depend on how the owner chooses to assemble the scene.

The dimensions of the individual sets are enough to show the direction, however. The Great Hall is 17.5 in. wide, the Main Tower reaches 26.5 in. high, and the East Wing extends 15.5 in. deep. This is no longer a collection that comfortably fits into the space normally reserved for one medium-size LEGO set. A full build is better treated as a dedicated shelf, cabinet or tabletop display.

Should you try to collect the whole system?

The strongest argument for the current Hogwarts lineup is continuity. Instead of buying repeated standalone versions of the same school, collectors can build one larger scene over time. Major sets add recognizable architectural sections, while smaller modules fill gaps with secondary locations and interiors.

The trade-off is commitment. Cost rises quickly, physical space becomes a genuine constraint and older sets can disappear from official retail before the full system is complete. For a new collector in 2026, it makes sense to decide early whether the goal is completeness or simply a convincing display.

If display impact matters most, The Great Hall, The Main Tower and the East Wing form the obvious core of the current generation. If completeness matters more, the smaller modules become part of the equation as well — along with the challenge of finding sets that may already be retiring or sold out in some markets.

76473 makes the long-term idea much easier to see

The East Wing is significant because it makes LEGO’s modular strategy more visible. Once placed alongside The Great Hall and The Main Tower, the lineup starts to read less like a sequence of separate Harry Potter playsets and more like one expanding castle project.

What LEGO has not confirmed is equally important. There is no official final footprint for the completed system on the current product pages, and it would be premature to assume which unannounced castle sections may come next. The safest conclusion is simply the one LEGO itself supports: the existing modules are designed to connect, and the company is building toward its most detailed brick-built Hogwarts Castle scene yet.