The headboard & footboard have brackets that are pre-attached to them. There are eight bolts which will need to be loosened, Once they are loose, you can hook the side rails in and then tighten the bolt.
eBay
PINGGO Double Upholstered Bed Frame Hydraulic Storage LED Headboard with Concealed Storage USB Type C Ports Linen (No Mattress)
Aliexpress UK
The Ottoman Storage Bed is suitable for adults and can be used in the bedroom. It can accommodate a Super King, King, Small Double, Single, Double, or Small Single mattress, depending on the size of the bed.
eBay
JC Modern Space Saving Home Furniture Bedroom Set Functional Storage Single Double Bed Base With Storage
Aliexpress UK
PLUSH VELVET Lines Style bed. ALL SIZES ARE UK STANDARD AND ARE ACCURATE. WE TRY OUR BEST TO REPRESENT THE PRODUCT AS BEST AS WE CAN, DUE TO SCREEN LIGHTING AND PIXELS COLORS MAY VARY SLIGHTLY. CUTTING OUT THE MIDDLE MAN.
eBay
PINGGO 4ft6 Double Bed Frame with 2 Storage Drawers, RGB LED Storage Headboard with Charging Station, Black+Walnut (No Mattress)
Aliexpress UK
As you can see from the pictures this bed is truly a masterpiece, made from high quality plush velvet fabric and a high quality strong bed. Plush Velvet Plain Bed. WITH STORAGE BED NO FEET AND FLOOR WILL BE USED AS BASE OF STORAGE.
eBay
Modern space-saving furniture bedroom functional wooden single double storage double wooden bed
Aliexpress UK
The optional Ottoman storage feature is ingeniously integrated into the design, providing a practical solution for space-saving and organization. Luxury Starlight mirror bed With/without gas lift. Celestial Opulence.
eBay
Folding movable sofa bed Multi-functional dual-purpose double small living room bedroom washed single small house lounge chair
Aliexpress UK
4ft6 x 6ft3. Divan bed base in grey or black damask fabric, or luxury plush steel fabric! 5ft x 6ft6. Luxury plush velvet grey. Grey, matching material. BASES ARE UNIVERSAL, STORAGE CAN BE ON EITHER SIDE!
eBay
Dormitory Essentials: Bed Storage Rack, Bedside Hanging Basket, Bed Hanging Basket, Bedside Organizer, College Student Suspended Bed Modification, Space Utilization
Aliexpress UK
Plush Velvet Sunrise Bed. As you can see from the pictures this bed is truly a masterpiece, made from high quality plush velvet fabric and a high quality strong bed. UK HANDMADE BEDS FROM PROFESSIONAL CRAFTSMAN.
eBay
PINGGO Upholstered Bed Daybed 3FT Single Sofa Bed Daybed with Hydraulic Storage Bed Frame with Metal Slatted Frame(No Mattress)
Aliexpress UK
Plush Velvet Wingback Chesterfield Bed. £50 EXTRA FOR STORAGE BASE BOARD IF NEED TO ADD. WITH STORAGE FEET NOT INCLUDEDAND FLOOR WILL BE USED AS BASE OF STORAGE. With/Without Storage. £100 EXTRA FOR 60" HIGH HEADBOARD.
eBay
Queen Size Loft Bed with Stairs and Storage, Metal Loft Bed Frame with Bedside Shelf and Large Under-Bed Space, Heavy-Duty Beds
Aliexpress UK