Forecast Model

This represents the expected annual growth (CAGR) based solely on a forecast model.
LEGO 75978 Diagon Alley is a 5,544 piece Harry Potter exclusive set with 17 minifigs released in 2020. It consists of multiple Diagon Alley shops including Ollivanders, Scribbulus, Quidditch Supplies, an Ice Cream Parlor, Flourish & Blotts, Weasleys' Wizard Wheezes, and the Daily Prophet.

The current retail price is $449.99, however, the average price on the secondary markets is around $482 which could indicate the set is backordered or temporarily out of stock in various regions. The set is estimated to retire sometime within mid and late 2025. Once retired, the expected annual growth will be close to 5% after the second year, valuing the set between $538 and $563 shortly after it is retired.
Retirement risk Retirement risk. Diagon Alley should be retiring in most LEGO retail markets and regional LEGO.com online shops very soon. A number of regions have already retired this set.

For Sale (New/Sealed)

This chart shows the sales listing trends of 75978 Diagon Alley.
(US) Harry Potter: Diagon Alley (75978)
BrickEconomy Choice
$375.00
(US) Harry Potter: Diagon Alley (75978) $400.00
-15.2%
(US) Harry Potter: Diagon Alley (75978) NEW - SEALED $409.99
-13.1%
(US) Harry Potter: Diagon Alley (75978) NEW - SEALED $420.00
-10.9%
(US) Harry Potter: Diagon Alley (75978) NEW - SEALED $420.00
-10.9%
(US) Harry Potter: Diagon Alley (75978)NEW $420.00
-10.9%
(US) Harry Potter Diagon Alley Modular Building Set 75978 NEW - SEALED $430.00
-8.8%
(US) Harry Potter Diagon Alley 75978 Brand New Factory Sealed $470.00
-0.3%
(CA) Harry Potter Diagon Alley Modular Building Set 75978 Sealed $478.36
+1.4%
(US) Harry Potter: Diagon Alley (75978) $499.00
+5.8%
(US) Harry Potter: Diagon Alley - 5544 Piece Building Kit [LEGO #75978 Ages 16+] $499.00
+5.8%
(KR) 75978 Harry Potter Diagon Alley $499.99
+6.0%
(US) Harry Potter Diagon Alley Set 75978 - 100% Verified Authentic and New $510.00
+8.1%
(CA) 75978 Harry Potter: Diagon Alley Brand New and Original Sealed Box $514.42
+9.1%
Show 17 more listings

Diagon Alley Sets

10217 Diagon Alley

Year 2011
Pieces / Minifigs 2,025 / 12
Availability Retired
10217 LEGO Harry Potter Diagon Alley
Retail $149.99
Value $454.85
Growth  +203.3%
Annual growth 11.1%

Sets in Harry Potter

75980 Attack on The Burrow

Theme / Subtheme Harry Potter / Half-Blood Prince
Year 2020
Pieces / Minifigs 1,047 / 8
Availability Retired
75980 LEGO Harry Potter Half-Blood Prince Attack on The Burrow
Retail $99.99
Value $125.00
Growth  +25.0%
Annual growth 9.4%

75969 Hogwarts Astronomy Tower

Theme / Subtheme Harry Potter / Half-Blood Prince
Year 2020
Pieces / Minifigs 971 / 8
Availability Retired
75969 LEGO Harry Potter Half-Blood Prince Hogwarts Astronomy Tower
Retail $99.99
Value $89.99

75968 4 Privet Drive

Theme / Subtheme Harry Potter / Chamber of Secrets
Year 2020
Pieces / Minifigs 797 / 6
Availability Retired
75968 LEGO Harry Potter Chamber of Secrets 4 Privet Drive
Retail $79.99
Value $69.68

75979 Hedwig

Year 2020
Pieces / Minifigs 630 / 1
Availability Retired
75979 LEGO Harry Potter Hedwig
Retail $39.99
Value $49.99
Growth  +25.0%
Annual growth 16.6%

75981 Harry Potter Advent Calendar

Theme / Subtheme Harry Potter / Seasonal
Year 2020
Pieces / Minifigs 335 / 6
Availability Retired
75981 LEGO Harry Potter Advent Calendar
Retail $39.99
Value $34.32

30628 Monster Book of Monsters

Theme / Subtheme Harry Potter / Promotional
Year 2020
Pieces / Minifigs 316 / 1
Availability Retired
30628 LEGO Harry Potter Monster Book of Monsters
Retail $19.99
Value $54.42
Growth  +172.2%
Annual growth 25.5%

75967 Forbidden Forest Umbridge's Encounter

Year 2020
Pieces / Minifigs 253 / 5
Availability Retired
75967 LEGO Harry Potter Order of the Phoenix Forbidden Forest Umbridge's Encounter
Retail $29.99
Value $34.26
Growth  +14.2%
Annual growth 4.5%

75966 Room of Requirement

Year 2020
Pieces / Minifigs 193 / 4
Availability Retired
75966 LEGO Harry Potter Order of the Phoenix Room of Requirement
Retail $19.99
Value $27.99
Growth  +40.0%
Annual growth 11.0%

40419 Hogwarts Students Accessory Set

Year 2020
Pieces / Minifigs 53 / 4
Availability Retired
40419 LEGO Harry Potter Hogwarts Students Accessory Set
Retail $14.99
Value $15.00
Growth  +0.1%
Annual growth 2.9%

30420 Harry Potter and Hedwig

Year 2020
Pieces / Minifigs 31 / 1
Availability Retired
30420 LEGO Harry Potter and Hedwig
Retail $4.99
Value $9.95
Growth  +99.4%
Annual growth 9.7%
Tap a brick in the wall behind the Leaky Cauldron pub and enter the world of Diagon Alley™, where wizards and witches find their potions and Hogwarts students stock up on school supplies like cauldrons, broomsticks and of course, wands. Measuring over a meter wide, this epic model is filled with authentic movie details and a menagerie of 14 minifigures, including four exclusive new characters!

Fans of Harry Potter™ will love discovering the magnificent window displays and intriguing interiors of Diagon Alley™, London’s most magical secret shopping street. This remarkable set captures incredible detail from many of the Harry Potter™ films and can be built four different ways, including closed into a real alley for role-playing stories filled with intrigue and mystery. It’s also compatible with the LEGO® Modular Buildings series, for even more world-building fun.
Description provided by LEGO©