The Most Expensive LEGO Sets Of 2026

A 2026 roundup spotlights the priciest LEGO sets on sale, led by huge franchise builds like Hogwarts Castle and Avengers Tower.

The costliest sets are oversized, heavily detailed models with thousands of pieces and many minifigures.

Harry Potter and Marvel headline the premium tier, alongside major themes such as Star Wars, The Lord of the Rings, and Pokémon.

The list underscores how licensed LEGO sets are increasingly aimed at adult collectors and big-fandom buyers.