![Billy bookcases from IKEA, with height extensions and glass doors | Bookcase with glass doors, Ikea billy bookcase, Billy bookcase Billy bookcases from IKEA, with height extensions and glass doors | Bookcase with glass doors, Ikea billy bookcase, Billy bookcase](https://i.pinimg.com/564x/77/6b/a8/776ba88a78e3b439826032642a69cd63.jpg)
Billy bookcases from IKEA, with height extensions and glass doors | Bookcase with glass doors, Ikea billy bookcase, Billy bookcase
![Why would there be an extension option for the tall BILLY but not the short one? I bought the extension in the clearance section, already assembled, so no hardware came with it. Why would there be an extension option for the tall BILLY but not the short one? I bought the extension in the clearance section, already assembled, so no hardware came with it.](https://i.redd.it/a8cz4plo0wz51.jpg)
Why would there be an extension option for the tall BILLY but not the short one? I bought the extension in the clearance section, already assembled, so no hardware came with it.
![DIY Billy Bookcase to Built-In: Step-by-Step Beginner's Guide | Ikea billy bookcase, Furniture hacks, Billy bookcase DIY Billy Bookcase to Built-In: Step-by-Step Beginner's Guide | Ikea billy bookcase, Furniture hacks, Billy bookcase](https://i.pinimg.com/originals/de/52/22/de5222be3d85da4fcf428cf6ce89932b.jpg)
DIY Billy Bookcase to Built-In: Step-by-Step Beginner's Guide | Ikea billy bookcase, Furniture hacks, Billy bookcase
![IKEA Billy Bookcase - How to add a height extension to a short bookcase with no pre-drilled holes! - YouTube IKEA Billy Bookcase - How to add a height extension to a short bookcase with no pre-drilled holes! - YouTube](https://i.ytimg.com/vi/zLu3u9KNtTA/maxresdefault.jpg)
IKEA Billy Bookcase - How to add a height extension to a short bookcase with no pre-drilled holes! - YouTube
![IKEA Billy Bookcase with Height Extension Unit, 40x28x237 cm, White Stained Oak Veneer : Amazon.co.uk: Home & Kitchen IKEA Billy Bookcase with Height Extension Unit, 40x28x237 cm, White Stained Oak Veneer : Amazon.co.uk: Home & Kitchen](https://m.media-amazon.com/images/I/71iQXD1NGNL._AC_UF894,1000_QL80_.jpg)