12 Grimmauld Place

1 mould appears in no other set

• Minifig Head Special, Elf (Kreacher)

3 parts come in a colour no other set has for that mould

• Animal, BatTan · ×2
• Hair Mid-Length Tousled with Center PartRed
• Kufi [Plain]Blue

1 printed part is only in this set

• Animal, Cat, Standing New Style with Dark Tan Chest and Muzzle, Black Nose…Orange

5 parts appear in only a few other sets

• Barrel 2 x 2 x 2Sand Bluealso in 43224 King Magnifico's Castle, 910033 Old Train Engine Shed
• Hair Mid-Length Tousled with Center PartMedium Lavenderalso in 76404 LEGO Harry Potter Advent Calendar, 76476 The Ministry of Magic - Collectors' Edition
• Tile Round 1 x 1 with Black Lines Print (Ear)Light Nougatalso in 76422 Diagon Alley: Weasleys' Wizard Wheezes, 76437 The Burrow - Collectors' Edition (all Harry Potter)
• Tile Round 1 x 1 with Yellow Diamond/Jewel, Lime 'S' PrintFlat Silveralso in 76403 The Ministry of Magic, 76410 Slytherin House Banner (all Harry Potter)
• Tile 2 x 2 with Newspaper, 'Daily Prophet', 'The boy who lies' PrintTanalso in 76417 Gringotts Wizarding Bank - Collectors' Edition, 76476 The Ministry of Magic - Collectors' Edition, 40901 Ministry Munchies & The Daily Prophet Stands (all Harry Potter)

2 moulds first came out in 2022, including in this set

• Equipment Broom End×3
• Brick Curved 2 x 2 x 2/3 Double, Corner, No Studs×2

7 existing moulds first came out in their colour in 2022, including in this set

• Plate Special 2 x 2 with Only 2 studsDark Brown · ×6
• Brick Special 1 x 2 with 2 Studs on 1 SideReddish Brown · ×4
• Wedge Plate 8 x 8 Cut CornerDark Tan · ×4
• Bar 2L with Stop in CenterBlack · ×2
• Bar, Angled with 1 x 1 Round Plate / Stud on EndMedium Nougat
• and 2 more

13 minifigure parts with their print are only in this set

• Torso, Shirt, Dark Orange and Olive Green Lines Print, Tan Arms, Light Nougat…Tan · ×2
• Hips and Black Legs with Lime/Dark Green Stripes, Reddish Brown Belt PrintBlack
• Hips and Black Legs with Robe PrintBlack
• Hips and Blue Legs with Robetails with Dark Purple and Gold Trim PrintBlue
• Hips and Bright Light Orange Legs with Reddish Brown Spots and Swirls PrintBright Light Orange
• and 8 more