I was told they were originally sold as being solid (no veneer) but I can't find any info on this. I believe there were originally going to be used for the end of a cupboard run but the size was wrong.
eBay
White Waterproof Bathroom Storage Cabinet with Door & Shelves,Free Standing Floor Cabinet for Bathroom, Kitchen, Laundry Room
Aliexpress UK
Manufactured in the UK, it allows you to enhance your space without overspending. 150mm Matt Oak Kitchen Base Unit Carcass. 350mm Matte White Kitchen Base Unit Carcass | UK Manufactured. Premium Kitchen Cabinet Carcass.
eBay
Kitchen/Bathroom Towels Rack Wrought Iron Double-Layer Over-the-Door Towel Rack Space-Saving Storage Solution With Two Rods
Aliexpress UK
Bespoke Handmade Skinny Shaker Kitchen Cabinet Doors - Custom Fit for Any Cabinets! - Finishes: Hundreds of colors and textures (matte, gloss, etc.) to match your space. - Materials: Available in all options including premium woods like oak, walnut, ash, plus paint-grade MDF and more.
eBay
Home Furniture Hardware Hinges Damper Buffers Kitchen Cabinet Catches Door Stop Drawer Soft Quiet Close Invisible Handle
Aliexpress UK
1200mm Matt Oak Kitchen Wall Unit (900MM) High. Update your kitchen effortlessly with our affordable, high-quality, and fully assembled 1200mm kitchen wall cabinet. 1200mm width provides ample storage for all your kitchen essentials.
eBay
# Hot Premium Stainless Steel Outdoor Kitchen Cabinet With Electric Door Shed
Aliexpress UK
It is possible to paint stain polish wax and french polish these doors after preparing (sanding and cleaning) them. Sold wood doors without hinges or handles without holes ready to fit. (you may need DIY skill to fit this product).
eBay
1 Pc Furniture Cabinet Hinge Door Hydraulic Hinges Damper Buffer Soft Close For Kitchen Furniture Hardware
Aliexpress UK
It is possible to paint stain polish wax and french polish these doors after preparing (sanding and cleaning) them. Sold wood doors without hinges or handles without holes ready to fit. (you may need DIY skill to fit this product).
eBay
l Deluxe Mirrored Behind The Door Adjustable Medicine Cabinet, Kitchen & Bathroom Storage Cabinet, Furniture
Aliexpress UK
800mm Matt Oak Kitchen Base Unit Carcass. Maximize your kitchen space with our compact, high-quality, and fully assembled 800mm kitchen cabinet. Manufactured in the UK, it allows you to enhance your space without overspending.
eBay
Smoky Gray Acrylic+Brass for Furniture Handles and Knobs Kitchen Doors Cabinet Drawer T Bar Funiture Wardrobe Appliance Handle
Aliexpress UK
Portfolio Veneer Match doors are designed for internal use only and must not be exposed to or installed in damp ambient conditions, including where wet trades have recently been active. Door faces are factory lacquer finished; enhancing the real wood veneers laid ‘edge to edge’.
eBay
TENCHTWO Luxury Natural Reiki Crystal Handle Brass Drawer Door Knobs Furniture Kitchen Sideboard Wardrobe Wine Cabinet Pulls
Aliexpress UK