How many pieces does the LEGO Diagon Alley (75978-1) have?

The LEGO Diagon Alley set (75978-1) contains 5548 pieces. It was released in 2020 as part of the LEGO Harry Potter theme.

How can I find missing parts for LEGO set 75978-1?

On BrickMissing you can check which parts from the LEGO Diagon Alley (75978-1) you already own. Add your LEGO collection and we'll show exactly which of the 5548 pieces you're missing and which you already have.

Can I build the LEGO Diagon Alley 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 5548 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Diagon Alley from?

The LEGO Diagon Alley (75978-1) belongs to the LEGO Harry Potter theme. You can browse all Harry Potter sets on BrickMissing to find more sets from this theme.

Diagon Alley

75978-1 Harry Potter 2020 5548 parts 3.4% repair risk Expert

The LEGO Harry Potter Diagon Alley set, 75978-1, meticulously reconstructs the wizarding shopping street with 5548 pieces. This extensive model, measuring over a meter wide, presents magnificent facades that open to reveal intricate interiors. Visitors can explore Ollivanders, checking out the array of wands, or attend Gilderoy Lockhart's book-signing event at Flourish & Blotts bookseller. Weasleys' Wizard Wheezes offers love potions and other novelties, while Quality Quidditch Supplies and Florean Fortescue's Ice Cream Parlor provide further detailed scenes. The set also includes Scribbulus Writing Implements and the Daily Prophet, bringing authentic movie details to life across its modular buildings.

Parts Inventory

🧱 5548 parts

Part	Color	Qty	LEGO price each
Minifig Footwear Flipper [Thick] 10190	Black	4×	€0,10 View at LEGO → View
Tile 6 x 6 with Bottom Tubes with 'Welcome Harry, To Diagon Alley', LEGO Logo, and 'Harry Potter' Print 10202pr0010	Black	1×	Check price → View
Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] 10247	Dark Bluish Gray	1×	€0,10 View at LEGO → View
Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] 10247	Light Bluish Gray	4×	€0,10 View at LEGO → View
Brick Curved 1 x 4 x 1 1/3 No Studs 10314	Black	3×	€0,24 View at LEGO → View
Flag 2 x 2 Square, Flat Clip Edge [Thick Clips] 11055	Dark Tan	1×	Check price → View
Flag 2 x 2 Square, Flat Clip Edge [Thick Clips] 11055	Black	1×	Check price → View
Flag 2 x 2 Square, Flat Clip Edge [Thick Clips] 11055	Black	1×	Check price → View
Bar Holder with Clip 11090	Black	1×	€0,12 View at LEGO → View
Tile Special 2 x 2 Inverted 11203	Black	1×	€0,10 View at LEGO → View
Tile Special 2 x 2 Inverted 11203	Sand Green	2×	€0,10 View at LEGO → View
Brick Special 1 x 2 with 2 Studs on 1 Side 11211	Light Bluish Gray	4×	€0,13 View at LEGO → View

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Repairability

Can you fix Diagon Alley if a piece goes missing?

3.4%Low repair risk

easy to fixguard this box

36 of the 1072 part+color combinations in this set appear in 3 or fewer sets ever made. Lose one of those and a replacement is very hard to find.

Theme average

7.8%

All sets

6.7%

Hardest to replace

Tile 6 x 6 · Black · only this setBrick Round 2 x 2 Sphere · Yellowish Green · only this setMinifig Head Special, Small Cube (Baby)… · Light Bluish Gray · only this set

How we calculate this →