BILLY bookcase series

BILLY bookcase series by IKEA — bookcases & shelving, Overall: 31.5" W x 11" D x 41.75" H. Compare it with similar pieces across brands, and see the rooms it appears in.

BILLY Bookcase - white 31 1/2x11x41 3/4 " by IKEA
  • Brand: IKEA
  • Category: Bookcases & shelving
  • Price: $49
  • Dimensions: Overall: 31.5" W x 11" D x 41.75" H
  • Colours: white
  • Rooms: Home office
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Room×Lab Review · Review updated September 13, 2026

Compact storage stands out, while backing and durability outcomes vary

1,412 distinct retailer comments were studied. Owner evidence covers the BILLY bookcase series, with the pictured white 31 1/2×11×41 3/4 in article as the shown configuration. The acquired U.S.-page feed also contains international records for other widths, heights, finishes, door or add-on combinations and older generations, including oak-effect setups; shared feed placement does not establish identical construction or performance. Findings are attributed to the pictured listing, named related configurations or unidentified legacy BILLY listings. Service-only, shopping-only and mixed-product records are excluded.

Room×Lab rating: 7.1 out of 10 (limited confidence). Compact storage, generally approachable assembly and a strong pooled retailer average support a good BILLY series score. Conflicting shelf, backing and long-term durability reports—and the mixed-configuration review pool—keep it from scoring higher.

  • Compact storage works well, but depth is use-specific: Linked records: 4 favorable and 3 critical mentions about storage and depth. — Owners linked the series to useful storage in compact spaces, including support for large collectible books. Other sizes left some books or objects protruding. Dimensions and shelf layouts vary, so these records do not establish prevalence or transfer automatically across the series.
  • Assembly can be easy, but the backing divides owners: Linked records: 3 favorable and 3 critical mentions about assembly and backing. — Some owners found assembly straightforward or preferred revised back fasteners. Others reported a backing panel caving, uneven grooves or unsuccessful installation. Configuration, generation and machining differences remain unresolved; the linked records are not a defect rate.
  • Long-term durability ranges from decades to failure: Linked records: 2 favorable and 4 critical mentions about durability over time. — Family reports range from long service across several BILLY forms to sagging, instability or collapse after months or years. A separate pictured-unit anecdote describes shelf-pin failure by day two. Loads, anchoring, widths and generations were incompletely reported.

Before buying

Confirm the exact unit’s depth, wall-fixing plan, back-panel instructions and accessory compatibility; owner reports differ by size and generation, and the current series price was not established.

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