In 2020, LEGO released 11 Harry Potter sets across 6 subthemes. Subthemes for that year included Chamber of Secrets, Characters Sculptures, HalfBlood Prince, Order of the Phoenix, Promotional, and Seasonal. For that year, the total price of all retail sets cost $900, today those sets are valued around $951, a growth of 106%.
Most valuable 2020 LEGO Harry Potter set
75978 Diagon Alley $454.98
Highest growth 2020 Harry Potter set
30628 Monster Book of Monsters +125.06%
Most owned 2020 Harry Potter set
75979 Hedwig
Theme Harry Potter
Year 2020
Pieces / Minifigs 31 / 1
Availability Retired
30420 LEGO Harry Potter and Hedwig
Retail $4.99
Value $9.99
Growth  100.2%
Annual growth 12.6%
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 $44.99
Growth  125.1%
Annual growth 26.8%
Theme Harry Potter
Year 2020
Pieces / Minifigs 53 / 4
Availability Retired
40419 LEGO Harry Potter Hogwarts Students Accessory Set
Retail $14.99
Value $15.97
Growth  6.5%
Annual growth 6.2%
Theme / Subtheme Harry Potter / Order of the Phoenix
Year 2020
Pieces / Minifigs 193 / 4
Availability Retired
75966 LEGO Harry Potter Order of the Phoenix Room of Requirement
Retail $19.99
Value $21.95
Growth  9.8%
Annual growth 6.6%
Theme / Subtheme Harry Potter / Order of the Phoenix
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 $31.57
Growth  5.3%
Annual growth 4.1%
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 $71.99
Theme / Subtheme Harry Potter / Half-Blood Prince
Year 2020
Pieces / Minifigs 971 / 8
Availability Retail (Retiring soon)
75969 LEGO Harry Potter Half-Blood Prince Hogwarts Astronomy Tower
Retail $99.99
Available at retail
Retiring soon
Theme Harry Potter
Year 2020
Pieces / Minifigs 5,544 / 17
Availability Exclusive
75978 LEGO Harry Potter Diagon Alley
Retail $449.99
Available at retail
Theme / Subtheme Harry Potter / Characters Sculptures
Year 2020
Pieces / Minifigs 630 / 1
Availability Retired
75979 LEGO Harry Potter Hedwig
Retail $39.99
Value $44.75
Growth  11.9%
Annual growth 6.9%
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 $117.40
Growth  17.4%
Annual growth 11.4%
Theme / Subtheme Harry Potter / Seasonal
Year 2020
Pieces / Minifigs 335 / 6
Availability Retired
75981 LEGO Harry Potter Advent Calendar
Retail $39.99
Value $37.35