Start with a Clear-Out, Not a Box

Before you reach for the storage boxes, set aside an afternoon to sort through everything you have. Seasonal decorations accumulate quietly: a few shells gathered on a coastal walk, a string of fairy lights bought in a hurry, the baubles that survived last year's tree. Lay it all out on a table or a clean sheet and ask three questions of each piece. Do you love it? Is it still in one piece? Will you genuinely use it again? Anything broken beyond repair, faded or no longer your style can go to charity, a repair pile or the recycling. This single step makes everything that follows easier, because you will only wrap and store the pieces you actually want to keep.

It also gives you a chance to note what you are short of. If you have three metres of garland and no wreath, write it down before the boxes go away.

Choose Clear Boxes and Label Them Properly

Clear plastic boxes earn their place for one reason: you can see what is inside without opening them. That matters when you are hunting for the box of seaside-themed summer table decorations in the middle of a cold snap. Choose stackable boxes in a consistent size where you can, and avoid cardboard for long-term storage. Cardboard attracts damp, harbours dust mites and can be nibbled by mice, all of which will damage delicate pieces over time.

Labelling is where most people fall short. A single word such as "Christmas" tells you almost nothing in two years' time. Write a short inventory on the side of each box: the contents, the room it belongs in and the season. A label reading "Coastal summer — shells, glass floats, linen runners" is far more useful than "Decor 3". Keep a master list of anything fragile or valuable, so you know to handle it gently before lifting it down.

• Use clear, stackable boxes in a few standard sizes.
• Label the contents, room and season on the side, not the lid.
• Keep a master list for anything fragile or irreplaceable.
• Reserve small boxes for tiny items so nothing gets lost at the bottom.

Wrap Fragile Pieces the Right Way

Fragile decorations need padding on every side, not just underneath. Wrap each bauble, glass float, ceramic figure or shell ornament individually in acid-free tissue paper or clean, unprinted newsprint. Newspaper ink can transfer onto pale surfaces, so keep it for the outside of a parcel rather than against the item itself.

For baubles, wrap each one and stand them upright in a divided box or an egg-carton-style tray so they cannot knock against each other. Wind delicate garlands and strings of lights around a piece of card rather than coiling them tightly, which frays the wire and tangles the cable. Label the end of each string so you can find the plug next year. Flat, fragile items such as sea-glass pictures or pressed-flower frames should be stored vertically, not stacked, with tissue between each one.

Anything with sentimental value deserves the extra minute. Wrap it, label it, and place it on top where it will not be crushed.

Keep Moisture, Dust and Pests at Bay

Damp is the quiet enemy of stored decorations. Even a slightly humid garage or loft can leave paper, fabric and metal smelling musty or sprouting mould. Add a couple of silica gel sachets to each box and replace them each year. Make sure everything is completely dry before it goes in — shells from a beach trip, in particular, should be rinsed in fresh water, dried thoroughly and given a thin coat of clear varnish to stop them flaking.

Seal boxes properly and avoid open baskets or cardboard tubes. Cedar blocks or lavender bags deter moths without scenting your decorations too heavily. If you live near the coast, salt in the air can corrode metal fittings, so a dry wipe and a sachet of silica is a sensible habit.

Find the Right Home for Your Boxes

Where you store your boxes matters as much as how you pack them. Aim for a cool, dark, dry spot with steady temperatures. A loft that swings from freezing to boiling, or a shed with a leaky roof, will undo your careful wrapping in a single season. Under-bed storage, a hallway cupboard or the top of a wardrobe are often better choices for smaller collections.

Keep boxes off concrete floors, which draw damp upward, and away from outside walls. If you must use a garage or loft, raise boxes on a pallet or shelf and check them once a year.

Refresh and Rotate Each Season

Storage is not a one-off job. When you bring a box out, take five minutes to check its contents before you display them. Wipe down surfaces, re-fluff fabric, test fairy lights and replace any silica sachets that have done their work. Note anything that needs replacing while it is fresh in your mind.

Rotating your displays keeps a coastal-inspired home feeling considered rather than cluttered. Sea glass and shells in summer, warm textiles and candle holders in autumn, baubles and greenery in winter — each collection has its moment, and each deserves to come out looking as good as the day it went in.