How much is LEGO Build Your Own Hogwarts Castle worth?

Set 30435-1 · 66 pieces

$11.75

new / sealed

$3.62

used

+135%

vs $4.99 RRP

$0.18

per piece

LEGO Build Your Own Hogwarts Castle (30435-1) is worth about $11.75 new (or $3.62 used) at current secondary-market prices, up 135% from its $4.99 retail price.

Value history

Value historytracking since Jul 26, 2026

Currently $11.75 new. We just started tracking this set’s value. The chart fills in as prices are re-checked over the coming weeks.

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Blended secondary-market estimates. Not an appraisal or an offer to buy. Compare with another set → · Value your whole collection → · Most valuable sets →