A small balcony can feel like a compromise: too narrow for a proper table, too windy for anything delicate, and too overlooked to feel like a retreat. But give it a weekend of thought and it can quietly become the best square metreage in the flat. The trick is not to cram in more, but to arrange what you have so the floor stays clear and the eye keeps travelling upwards.

Start by Reading the Space Properly

Before you buy a single pot, spend a week noticing what your balcony actually does. Which way does it face? A south-facing city balcony can hit 40°C against brick in July, while a north-facing one may only get a couple of hours of weak light. Watch how the wind moves, too — anything above the third floor tends to funnel along railings and dry out compost fast.

Then check the practicalities, because these decide everything else:

• Weight limits. Wet compost is heavy. A 40cm trough can weigh 25kg once watered, so favour lighter mixes and fewer, larger containers over dozens of small ones.
• Drainage. Water dripping onto a neighbour's balcony below is a genuine cause of complaints. Saucers and a small rubber mat solve most of it.
• Permission. If you rent or lease, check what you're allowed to fix to walls or railings. Tension-fit and clamp-on options avoid drilling altogether.

Go Up, Not Out, with Vertical Planters

The single biggest gain on a compact balcony is wall and railing space. Once plants are lifted off the floor, the whole area reads as bigger and you gain somewhere to stand.

Wall-mounted pocket planters are the classic choice and genuinely earn their keep for herbs, strawberries, trailing ivy and small ferns. Fix them at eye level where you'll actually water them — nothing kills a vertical garden faster than needing a stepladder. A simple trellis behind a pot of star jasmine or climbing nasturtium gives you height for almost no floor space, and the scent on a warm evening is worth more than any ornament.

Over-railing hooks and clamp-on troughs are brilliant for geraniums, trailing lobelia and petunias, though on exposed balconies choose compact, wind-resistant varieties rather than anything tall and sappy. If you have a solid wall, a slim shelf at 60cm intervals turns a blank surface into a proper display without eating an inch of floor.

Furniture That Folds Away

A balcony that seats two comfortably beats one that seats four badly. Look for pieces that collapse, stack or hang.

• A folding bistro set that clips flat against the wall gives you a table for coffee and a table for dinner without a permanent footprint.
• Stacking stools double as side tables, plant stands and extra seating.
• A wall-mounted drop-leaf table is the most space-efficient option of all if you're allowed to drill.
• Fold-flat chairs store behind a door or in a slim storage box when the weather turns.

Choose materials that shrug off British weather: powder-coated aluminium, teak, acacia, or rattan-look resin. Cushions should live indoors when not in use, or in a waterproof box — damp foam grows mould faster than you'd think.

Storage That Works Harder Than It Looks

Every object on a small balcony should do at least two jobs. A weatherproof storage bench is seating, tool cupboard and cushion store in one. A tall slim cabinet hides secateurs, twine, bird seed and a watering can, and its flat top becomes another plant shelf.

Under-bench space is ideal for a folding trolley of pots, and a simple hook rail on the back wall takes hand tools, a small broom and a folded apron. Keep compost in a sealed lidded bin rather than a sack — it looks tidier, stays dry and keeps the space feeling like a room rather than a shed.

Plants That Cope with Exposure

Wind and reflected heat are tougher on plants than cold. Reliable performers for a compact, exposed balcony include rosemary, thyme, lavender, sedum, heuchera, hardy geraniums and ornamental grasses, all of which tolerate drying out and bouncing about. Herbs are especially good value: they're useful, they smell wonderful and they look neat in a row of matched pots.

Group pots together rather than spacing them out. Clustered plants shade each other's compost, hold humidity and create a fuller look with fewer containers. Use one repeating pot shape or colour across the whole balcony — it's the quickest way to make a jumble of plants look deliberate.

Small Touches That Make It Inviting

Once the structure is right, the atmosphere is easy. A mirror on a sheltered wall bounces light and creates the illusion of depth. An outdoor rug or a few interlocking decking tiles warms the floor and defines the seating area. Solar lanterns or a string of warm-white festoon lights strung along the railing turn a functional space into somewhere you'll actually sit after dark.

Avoid clutter. Two well-chosen pots on a clean floor will always look better than ten arranged in a panic. Sweep, water, and put things away — on a balcony this size, tidiness is half the design. Do that, and a metre and a half of concrete starts to feel like a proper garden.