Start with the books, then build around them

Before you buy a single vase, take every book off the shelves and sort them into three piles: keep, pass on, and store. A display that reads as calm rather than chaotic almost always starts with fewer books than you think. Once you have your keepers, group them in two ways. Vertical runs of eight to ten books of similar height look tidy and architectural; horizontal stacks of three or four, usually with the spines facing out, make useful little plinths for a bowl or a small frame.

Mixing the two keeps things interesting. A common mistake is to make every shelf look identical. Instead, treat each shelf as its own small composition and vary the rhythm: a tall run of books, then a stack, then a single object with air around it. If your shelves are adjustable, raise or lower them so that tall art books and oversized volumes are not squeezed. A gap of two or three centimetres above a book's spine is enough.

Layer in ceramics and collected objects

Ceramics are the easiest way to add texture, and they work best in small, deliberate arrangements. Place a tall piece next to a low one, and a rounded shape next to something angular. On each shelf, pick one hero object and let everything else support it. Three objects of different heights on one shelf will almost always look better than five of the same size.

• Pull objects slightly forward from the back of the shelf and stagger their depth; flat rows look like a shop display.
• Give handmade pieces room. A single jug with 15 cm of clear space either side reads as intentional.
• Group by material or colour rather than by where you bought them, so stoneware sits with stoneware and pale tones with pale tones.
• Turn a bowl to show the glaze or maker's mark you love, even if it means facing it sideways.

If you have children or pets in the house, put fragile pieces on the upper shelves and keep the lowest shelf for sturdy books and softer objects. It is a practical rule that also happens to look well considered.

Use framed prints and leaning art

Art does not have to be hung on the wall above the unit. Leaning a framed print at the back of a shelf, behind a stack of books, adds depth and colour without another nail in the plaster. Lean the largest frame at the back, then overlap a smaller one in front at a slight angle.

Keep frames modest in scale. As a guide, a leaning frame should be no more than about a third of the shelf's width, otherwise it starts to look like a poster rail. Match the frame to the mood of the room: slim black or oak frames suit a modern scheme, while wider, warmer timber frames soften a period interior. Swap the artwork inside a favourite frame now and then rather than buying new frames; it is the cheapest refresh you can make.

Add plants that suit your light

Greenery breaks up the straight lines of a bookcase and softens the whole wall. Choose plants that will actually thrive in the light you have. Near a bright window, a small rubber plant or a spider plant works well. In a dimmer corner, a snake plant or a ZZ plant will cope far better than most.

Always stand plants in a saucer or a sealed pot, particularly on timber shelves, and never water them in place. A trailing plant such as a string of hearts can sit on a higher shelf so the vines fall across the spines below, but keep the trail short enough that it does not hide the books. Rotate plants every few weeks so they grow evenly rather than leaning towards the window.

Leave breathing space, and use eye level well

Clutter is rarely about too many things; it is about too little space between them. Aim to leave roughly a third of each shelf empty, and allow 5 to 10 cm of clear shelf between one group and the next. That gap is what makes a display feel curated rather than crowded, and it gives the eye somewhere to rest.

The most important zone is the one you look at most. Anything between roughly your shoulder and eye level, so about 1.2 to 1.6 metres from the floor, is where the pieces you truly love belong. Put the family photograph, the print you saved for, or the bowl you brought home from a trip there. Lower shelves can hold the heavier, less precious things; the very top shelf is ideal for a single large object or a plant that trails downwards.

Refresh the display twice a year

A styled shelf is not a fixed installation. Twice a year, take everything off one section and rebuild it. Bring something down from the top shelf, move a print to a different bay, and put two or three objects away in a cupboard for a while. Rotating rather than accumulating keeps the display meaningful and stops it becoming background noise you no longer see.

As you rebuild, ask a simple question of each piece: does this earn its place, or is it just filling a gap? If it is the latter, it goes. What remains will be a shelf that tells your story rather than one that simply holds your things.