v3.25.2
Document and Entity Information
Sep. 10, 2025
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0002018545
Document Type 8-K
Document Period End Date Sep. 10, 2025
Entity Registrant Name Franklin BSP Real Estate Debt BDC
Entity Incorporation State Country Code DE
Entity File Number 814-01736
Entity Tax Identification Number 99-1918767
Entity Address, Address Line One One Madison Avenue
Entity Address, Address Line Two Suite 1600
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10010
City Area Code (212)
Local Phone Number 588-6700
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Entity Ex Transition Period false