How to Choose a Bookcase or Shelving Unit

A bookcase is one of those pieces that quietly does the heavy lifting in a room: it tidies away the clutter, shows off the things you love, and gives a wall a sense of purpose. But the difference between a unit you treasure and one that bows in the middle after a year comes down to a handful of practical choices. This guide walks you through open versus closed storage, getting the size right to the centimetre, choosing materials that genuinely hold weight, and fixing the unit safely to the wall so it stays put for good.

1. Open versus closed shelving

The first decision is how much you want on show. Open bookcases — a frame with horizontal shelves and no doors — feel light and airy, make books easy to grab, and turn your collection into part of the decor. They suit living rooms, home offices and hallways where you want the space to breathe and the contents are tidy enough to display. The trade-off is dust: open shelves need a wipe-down every couple of weeks, and everything is permanently visible, so a messy shelf has nowhere to hide.

Closed units — think display units with glazed or solid doors, or low sideboards with cupboards beneath — hide clutter, protect contents from dust and sunlight, and give a calmer, more uniform look. They are ideal for paperwork, board games, spare cables and anything you would rather not see. Glazed doors are a lovely middle ground: they keep ornaments and first editions dust-free while still letting them be admired.

Many people land on a hybrid. A tall unit with open shelves up top and closed cupboards at the base gives you display space at eye level and hidden storage down low, where bending and lifting is easier and heavier items sit safely. If you are torn, think about the room’s job: a home office leans towards closed for focus and tidiness, while a living room often benefits from open shelves that show personality.

2. Measuring your space properly

Before you fall for a particular unit, measure the wall in three dimensions: width, height and the depth you can spare without blocking a doorway, radiator or walkway. Mark the footprint on the floor with masking tape so you can picture how far it projects into the room — a 30cm-deep bookcase feels slim, while a 40cm-deep one starts to dominate a narrow space. Leave at least 70–90cm of clear walkway in front so people can pass and so doors and drawers open fully.

Height matters more than people expect. A unit that stops short of the ceiling can leave an awkward gap, while one that reaches too high becomes hard to use and harder to dust. As a rough guide, the top usable shelf should sit no higher than about 180cm so an average adult can reach it without a step stool. Check your skirting board too: many bookcases have a recessed plinth or notched back so they sit flush against the wall, but a deep skirting can hold a flat-backed unit several centimetres proud.

If the bookcase is going upstairs or round a tight corner, measure your access route as well — door frames, the stair turn and any ceiling slope. A tall flat-pack carton is easier to manoeuvre than a fully assembled unit, which is one quiet advantage of self-assembly. Our will it fit tool is built for exactly this kind of check.

3. Stability, weight and load ratings

Books are deceptively heavy. A single 30cm run of paperbacks weighs around 4–6kg, and a shelf packed with hardbacks can carry 15–20kg without looking remotely full. Over a whole bookcase that adds up to well over 100kg, so the shelves and the frame both have to be up to the job. The two things that fail are sagging shelves and the unit tipping forward — both are avoidable if you choose well.

Look for a stated load rating per shelf where the maker provides one; 20–30kg per shelf is a sound benchmark for a serious book collection. Shelf sag is governed by span and thickness: an unsupported shelf longer than about 80cm in thinner board will bow over time. Thicker shelves (18mm and up), a centre divider, or a solid back panel that the shelves screw into all stiffen the structure dramatically. A flimsy hardboard back stapled on the rear is a warning sign — it does little for rigidity.

4. Materials and build quality

The material sets both the price and the lifespan. Here is how the common options compare in real terms:

• Solid wood (oak, pine, acacia) — the strongest and longest-lasting, handsome and repairable, but heavier and dearer. Ideal for a unit you want to keep for decades.
• Veneered MDF or engineered board — a thin layer of real wood over a dense, stable core. It resists warping better than solid timber in centrally heated homes and offers a fine finish for the money. The mainstay of most quality bookcases.
• Melamine-faced chipboard — budget-friendly and fine for light loads, but the weakest in span and the most prone to sagging and edge chipping. Best kept to smaller units and lighter contents.
• Metal-framed with wood shelves — an industrial look with excellent rigidity; the steel frame carries the load while timber shelves provide the surface.

Beyond the material, inspect the joinery. Cam-lock fittings are normal on flat-pack, but look for dowels or screwed corner blocks as well as a back panel that fits into a groove rather than just tacking on. Run a hand along the front edges — a properly lipped or solid-edge shelf resists the chipping that plagues cheap melamine. If longevity matters, our guide on how to care for your furniture covers keeping timber and veneers looking their best.

5. Shelf spacing and adjustability

Fixed shelves often look neater and add rigidity, but adjustable shelves are far more practical for a real collection that mixes paperbacks, tall art books, box files and the odd ornament. Most adjustable systems use pegs or pins that drop into pre-drilled holes every 25–32mm, letting you tune the gaps to your contents rather than wasting half a shelf of dead air above short books.

As a working set of measurements: standard paperbacks need about 20cm of clearance, most hardbacks 25–30cm, and large-format art, cookery or coffee-table books 35cm or more. Lever-arch and box files want roughly 32cm. Plan at least one generous bay for the tall items rather than forcing everything to the same height. If you display objects — vases, framed photos, a plant — give those shelves extra headroom so they read as a deliberate arrangement rather than a squeeze.

6. Styles and where they suit

A bookcase is as much a design statement as a storage solution, so let the room’s character guide the finish. Warm oak and walnut tones suit traditional and mid-century rooms and pair naturally with similar TV and media units and coffee tables for a coordinated living room. Painted finishes in soft greys, sage or off-white feel fresh and contemporary, and slip easily into a home office or hallway.

Open ladder bookcases — wider at the base, tapering up — are light, easy to move and perfect for smaller rooms, though their load capacity is modest. Cube and modular systems let you build storage to fit an exact wall and rearrange it later, doubling as low room dividers when stood at waist height. Tall, slim units rescue awkward alcoves either side of a chimney breast, while a glass-fronted display cabinet earns its place where you want to show treasured pieces without the dusting. If you are working with a compact room, our small living room furniture ideas guide has more on making vertical storage work hard.

7. Anchoring and safety

This is the single most important step and the one most often skipped. Any tall, freestanding unit can tip forward — especially when a child climbs it or a drawer is pulled out — and a loaded bookcase falling is genuinely dangerous. Almost every quality bookcase ships with an anti-tip strap or bracket, and it should always be fitted, not left in the bag.

1. Locate a stud or use proper wall plugs rated for your wall type — solid masonry, plasterboard with cavity fixings, or a stud timber all need different anchors.
2. Fix the supplied bracket from the top rail of the unit to the wall so the bookcase cannot pivot forward.
3. Check the unit sits dead level; pop felt pads or adjustable feet under any low corner so weight is shared evenly across the base.
4. On hard floors, be aware that a unit can creep when leaned on — anchoring removes that risk entirely.

If you have young children or pets, anchoring is non-negotiable, and it takes ten minutes. It also lets you safely use the upper shelves to their full capacity, because the wall is taking the tipping load rather than the unit’s own footprint.

8. Styling and organising your shelves

Once the unit is up and secure, how you fill it decides whether it looks considered or chaotic. Mix horizontal stacks with vertical rows of books to create rhythm, and break up the spines with a few objects — a small vase, a framed print, a trailing plant from our plants and greenery range. Leaving deliberate gaps gives the eye somewhere to rest and stops the whole thing reading as a wall of clutter.

For organising, choose a system you will actually maintain: by colour for a calm, graphic look; by subject for a working reference library; or simply books you have read versus those waiting. Keep frequently reached items between knee and shoulder height, and reserve the very top and bottom shelves for things you touch rarely. A reading nook nearby with a comfortable chair and a good lamp turns a bookcase from storage into a proper destination in the room.

9. Buying with confidence

Choosing a bookcase comes down to matching open or closed storage to the room’s job, measuring carefully, insisting on shelves that genuinely carry the weight, and anchoring the unit safely once it is home. Get those right and you have a piece that organises your life and lifts the room for years.

Every bookcase and shelving unit at Elystra Living comes with fast delivery and our 30-day returns promise, so if a piece is not quite right when it arrives, sending it back is straightforward. You can also spread the cost with Klarna in interest-free instalments, making it easy to choose the unit you really want rather than settling. Browse the full range over at bookcases and find the one that fits your space and your story.