Skip to main content
New lower price
3 BILLY images
Skip images
Black BILLY shelf extension, modern design, made of particleboard and paper foil.
Black bookshelf with wooden toy and books, maximising vertical storage.
Modern living room with black BILLY bookshelf filled with books and decor. Red chair, white sofa, and wooden coffee table with toys.
More from the BILLY series

BILLY Height extension unit, black oak effect, 40x28x35 cm

Price 30,-
Price excl. VAT 23,90

Choose colour:

Black oak effect
  • BILLY white wall shelf unit, minimalist design, sturdy particleboard, adjustable shelves.
  • Black BILLY shelf extension, modern design, made of particleboard and paper foil.
  • A brown BILLY wall-mountable storage unit made of particleboard and paper foil. Its rectangular shape an open top compartment for easy access.
  • BILLY bookshelf extension, oak effect, rectangular, simple design, maximises wall storage.

Complete with

A tall, slim BILLY bookcase in black with five shelves for storage.

BILLY Bookcase, 40x28x202 cm

Price 69,-

How to get it

Collect 6 points with
IKEA Family

Join for free or log in|Explore what you can get
BILLY
604.773.58

Add an extension unit to BILLY bookcase to maximise your vertical storage space and make efficient use of the floor area. This creates a new solution and more storage when your needs and life change.

BILLY Height extension unit, black oak effect, 40x28x35 cm
DesignerGillis Lundgren
More information
Modern living room with black BILLY bookshelf filled with books and decor. Red chair, white sofa, and wooden coffee table with toys.

Customer reviews

4.3: 4.3 out of 5 stars. Total reviews: 187Average rating
187Reviews
Skip customer reviews
Love it
: 5 out of 5 stars.5
The extension is a great add on to the bill shelf to help add a bit more organization
Diana, United States
Very nice seemless look
: 5 out of 5 stars.5
I have tall ceilings and this was a great addition to the Billy bookcase I have in my reading nook. Also the height is great for super long hanging plants.
Ashley, United States
My bookcase went to new heights!
: 5 out of 5 stars.5
Love this extension to my bookcase! It helps make it more finished and gives more space!
Michelle, United States
4.3: 4.3 out of 5 stars. Total reviews: 187Average rating
187Reviews

Accessories for BILLY

Related products

Explore more options

Bookcases
Bookcases291
Cube storage
Cube storage226
Shelving units
Shelving units216BILLY fittings & inside organisers54All Bookcases & shelving units

Recommended for you

More inspiration and ideas

Ideas based on your recently viewed products

Skip listing

More from the BILLY fittings & inside organisers