![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/originals/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://preview.redd.it/a8cz4plo0wz51.jpg?auto=webp&s=e64a7989b51cfb1a2376dec1ce99908fa9c20fff)
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.
![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
![Built-in Bookshelves from IKEA Billy Bookcases--How to do it | Built in bookcase, Ikea built in, Ikea bookshelves Built-in Bookshelves from IKEA Billy Bookcases--How to do it | Built in bookcase, Ikea built in, Ikea bookshelves](https://i.pinimg.com/564x/43/cf/b1/43cfb16e5509fa499819be9d0f6a5117.jpg)