v3.25.4
Cover
Mar. 09, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 09, 2026
Current Fiscal Year End Date --12-31
Entity File Number 001-40017
Entity Registrant Name CROWN PROPTECH ACQUISITIONS
Entity Central Index Key 0001827899
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 40 West 57th Street
Entity Address, Address Line Two 29thFloor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10019
City Area Code 212
Local Phone Number 796-4796
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Redeemable warrants, each whole warrant exercisable for one Class A ordinary share, par value $0.0001
Trading Symbol CPTKW
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false