Updated Oct 31, 2026· 7 min read

Key takeaways

  • The wall brackets or fixing parts that came in the Billy pack, or a separate anti-tip strap kit sold for furniture.
  • A stud finder (a magnetic one that locates drywall screws also works) and a pencil.
  • A drill with a small bit for pilot holes and a screwdriver.
  • A spirit level and a tape measure.
  • Wall screws and, if you cannot reach a stud, a suitable drywall or masonry anchor rated for the load.

Yes, a Billy bookcase should be anchored to the wall, and the safest method is to drive a screw through the anchoring hardware into a wall stud, not into drywall alone. The maker’s assembly sheet for the Billy range warns that tall furniture can tip over and cause serious or even fatal crushing injuries, and it says the unit must be fixed to the wall with the wall attachment devices supplied. The wall screws and plugs are not included, because the right fastener depends on what your wall is made of.

Do You Have to Anchor a Billy Bookcase?

Nothing forces you to, but the maker’s own instructions say the unit should be fixed to the wall, and that instruction applies to every household, not only homes with small children. A tall, narrow bookcase has a high centre of gravity. Once shelves are loaded unevenly, a child climbing on a lower shelf or a heavy stack near the front can shift the weight forward. Consumer-safety groups have published footage of tall flat-pack units tipping, which is why anchoring is treated as standard practice rather than an optional extra.

Renters often hesitate because of the holes. Two small screw holes are far easier to patch than the damage a falling bookcase can do, and most landlords accept them. If you cannot drill at all, a shorter freestanding unit is a safer choice than a tall one left unanchored.

What You Need Before You Start

  • The wall brackets or fixing parts that came in the Billy pack, or a separate anti-tip strap kit sold for furniture.
  • A stud finder (a magnetic one that locates drywall screws also works) and a pencil.
  • A drill with a small bit for pilot holes and a screwdriver.
  • A spirit level and a tape measure.
  • Wall screws and, if you cannot reach a stud, a suitable drywall or masonry anchor rated for the load.

Hardware stores can advise on the right screw length for your wall. The assembly sheet itself suggests asking a local hardware store, since wall materials differ.

How to Anchor a Billy Bookcase to the Wall: Step by Step

  1. Assemble and position the bookcase first. Finish the build as the manual shows, stand it where it will live, and keep it empty while you work.
  2. Locate the studs. Run the stud finder along the wall behind the top of the unit. Studs in many homes are spaced about 16 inches apart, but spacing varies, so mark the actual edges and centres you find.
  3. Mark the fixing points. Hold the bracket or strap fitting against the back or top of the bookcase and mark the wall through its screw holes. Aim for the top of the unit, where the leverage against tipping is greatest.
  4. Drill pilot holes. Drill a small hole at each mark. A pilot hole keeps the stud from splitting and makes the screw easier to drive straight.
  5. Fix the wall side. Screw the wall bracket into the stud. If no stud lines up, fit the wall plug or anchor you chose for the wall type, then fit the screw.
  6. Fix the furniture side. Attach the second fitting to the bookcase as the instructions show. Do not overtighten into the particleboard, which can crumble.
  7. Join and tension. Connect the strap, bracket or fixing so there is no slack between furniture and wall.
  8. Test gently. Pull the top of the bookcase forward a little. It should not tip, lift away or wobble. If anything moves, stop and redo the fixing before you load any books.

Screwing a Billy Bookcase to Drywall

Drywall by itself is weak in a forward pull. A plain screw into the gypsum board can tear out, and a lightweight plastic plug may do the same. Where a stud is not available, home-safety guides commonly point to anchor types designed for hollow walls, such as toggle-style or strap-style fixings, because they spread the load behind the board. Read the load rating printed on the pack and choose one rated well above what you expect.

The best approach is still a stud. One home-safety guide notes that the top panel of a Billy unit is relatively thin particleboard, so the fixing into the furniture should be placed where the material is strongest, following the position the manual shows.

Which Screw for a Stud?

The screw that ships with a bracket is not always suited to your wall. For wood studs behind drywall, a general guideline is a wood or construction screw long enough to pass through the board and bite well into the stud. Exact length depends on the drywall thickness, which commonly ranges from about half an inch to five-eighths of an inch, plus the thickness of the bracket. Ask the hardware store, or read the pack of your anti-tip kit, for the maker’s stated screw size. Steel studs, plaster or masonry walls need different fasteners entirely.

Quick Reference: Wall Type and Fastener

Wall type Typical fastener approach Watch out for
Drywall over a wood stud Wood or construction screw through the bracket into the stud Missing the stud and screwing into board alone
Drywall, no stud in reach Hollow-wall anchor rated for the load Light plastic plugs that pull out
Steel stud Fasteners made for metal studs, chosen with hardware advice Wood screws that strip in thin metal
Brick, block or concrete Masonry plug and screw with a masonry bit Drilling into mortar joints that crumble
Plaster over lath Locate the stud or use anchors made for plaster Cracking old plaster while drilling

How Many Anchors for a Tall or Three-Door Billy?

The assembly sheet supplies a set number of attachment devices for each unit, and those are the minimum to use. Taller or wider configurations, such as a three-door arrangement or several units placed side by side, increase the risk. Many home-safety guides suggest anchoring each tall section separately and using at least two fixing points per unit, spaced apart near the top. Treat this as general guidance, not a rule from the maker, and follow the instructions that came with your exact model. If you join units together, anchor the whole run, not only one end.

Anchor Kits, Straps and Stickers

Strap or bracket kits use two fittings, one screwed into the furniture and one into a stud, joined by a cable or strap. They are widely sold as anti-tip hardware. Adhesive stickers and putty are weaker, and one home-safety guide cautions that they may come off if the bookcase starts to tip. Anchoring is not a guarantee, either. Consumer Reports described an incident involving another anchored flat-pack bookcase where one wall anchor pulled out and the other fixing broke away from the furniture, which shows that installation quality and fastener choice matter.

Common Mistakes

  • Anchoring after the shelves are filled, which makes the test pull unsafe.
  • Using only the wall plug when a stud is within reach.
  • Fixing too low on the back panel, where there is little resistance to tipping.
  • Leaving slack in the strap so the bookcase can rock forward first.
  • Putting the heaviest books on the top shelves; keep heavy items low.
  • Skipping a re-test after moving the furniture or repainting.

When to Call a Professional

If you cannot find studs, the wall is old plaster, steel or masonry, or you worry about pipes and wiring behind the wall, ask a handyperson or a hardware professional. Drilling blind into a wall can hit electrical cable or plumbing. When in doubt, stop and get advice before drilling.

Frequently Asked Questions

How do I secure a Billy bookcase to the wall without a stud?

Use a hollow-wall anchor rated for the load, fitted according to its pack instructions, and still attach the bracket near the top of the unit. This is weaker than a stud, so keep the bookcase lightly loaded and re-test the fixing from time to time. If possible, move the unit to where a stud lines up with the mounting point.

Can I screw a Billy bookcase directly into drywall?

A plain screw into drywall alone usually will not resist a forward pull. The board can crumble under load, so the screw can pull out. Use a stud or a proper hollow-wall anchor instead.

What screw should I use to attach a Billy to a stud?

The maker does not supply wall screws, so choose a wood or construction screw that suits your wall and the bracket holes. It needs to pass through the drywall and seat well into the stud. A hardware store can match the length to your wall thickness.

How many furniture anchors does a three-door Billy need?

Use at least the number of attachment devices the maker supplies, and consider more for wide or tall arrangements. Two spaced fixings near the top of each section is a common safety approach. Follow your assembly sheet first.

Will anchoring damage my wall?

It leaves small screw holes, which can be filled and painted when you move. This is a minor repair compared with the harm a tipping bookcase can cause. Renters should read their lease or ask the landlord if unsure.

Is a short Billy unit safe without anchoring?

Shorter furniture is less prone to tipping, but the maker’s instructions still call for wall fixing on tall units. If a child could climb a unit of any height, anchor it anyway.

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K
KK Home Furnishings Editorial Team
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