Assessing the Space You Are Working With

Side returns are the quiet, overlooked strips of ground that run alongside British terraced and semi-detached houses — often between one and two and a half metres wide, shaded by the house on one side and a boundary wall or fence on the other. They tend to attract bins, bikes and bags of compost, but they can be so much more. Before you buy a single pot, spend ten minutes out there with a tape measure and a notebook.

Note the width at its narrowest point, usually dictated by a downpipe, an air brick or a step. Note, too, which way the space faces. A south-facing side return will bake at midday and dry out quickly; a north-facing one will be cool and damp, and wonderfully suited to ferns, hostas and leafy greens. East-facing gives gentle morning sun; west-facing gives warm evening light — perfect if you want to sit out after work.

Grow Upwards and Make Every Wall Work

When you have barely a metre of floor, the vertical plane becomes your allotment. Fix a slim trellis to the fence or wall and train a climber up it. For a long, narrow space, choose plants that stay tidy rather than those that romp: star jasmine for evergreen coverage and summer scent, clematis for colour, or honeysuckle for evening fragrance.

• Hang pocket planters on the fence for herbs — thyme, oregano, chives and mint (keep mint in its own pot or it will take over).
• Run shelves on brackets between fence posts at chest height for small pots of geraniums, ferns or succulents.
• Use a tall, narrow obelisk in a corner for a climbing annual such as sweet peas.
• If the space is shaded, lean into it: ferns, ivy and Japanese anemones all cope happily.

Keep heavyweight thugs such as wisteria out of a narrow side return; they need more room than you can give them and quickly become a chore.

Furniture That Earns Its Place

The trick with narrow spaces is to choose furniture that folds, stacks or hugs the wall. A round bistro table of 60–70 cm diameter and two folding chairs will seat you and a friend comfortably where a rectangular set would feel like an obstacle course.

• A wall-mounted drop-leaf table takes up no floor space when folded down.
• A slim bench, 40–45 cm deep, with storage underneath, doubles as seating and as a home for tools and cushions.
• Stackable chairs can be hung on hooks on the wall when not in use.
• A ladder shelf keeps pots off the ground and adds height.

Leave at least 60 cm of clear walking width — 75 cm if you can manage it — so the space never feels like a squeeze. If the side return is your only route to the back garden, keep one continuous clear path and put everything else to the sides.

Bouncing Light Around with Reflective Surfaces

Side returns are often gloomy simply because tall walls block the sun for much of the day. You cannot move the walls, but you can persuade the light to work harder.

• Paint walls and fences in pale, chalky colours — soft white, pale grey, sage or warm stone — rather than dark browns and greens.
• Fix an outdoor-grade mirror or mirrored panel to the end wall. It doubles the sense of depth and bounces light back down the corridor.
• Choose pale paving, light gravel or pale grey decking rather than dark slabs.
• Add a small water bowl or wall-mounted fountain; moving water catches light and adds a gentle sound that masks traffic.
• Use glazed or metallic planters, which reflect light and look smart against timber.

Be considerate with mirrors: angle them to reflect your own planting rather than a neighbour's window, and avoid positions where low sun will bounce glare into the house.

Getting the Practical Details Right

Drainage and access matter more in a side return than almost anywhere else in the garden. The ground often slopes towards the house, and water can pool against the wall.

• Use permeable paving, gravel or decking on adjustable feet so water drains away rather than sitting.
• Check that air bricks and the damp-proof course stay clear and uncovered.
• Keep a route through for bins and bikes if you need one — a slim storage box on wheels helps.
• Add low-level lighting: solar stake lights, a warm wall lantern or festoon lights on hooks, so the space is usable on summer evenings.

Making It Feel Like Somewhere to Sit

Finally, remember that the goal is rest, not just tidiness. A side return treated purely as a corridor will always feel like one. Give it the details you would give a room: an outdoor rug or weatherproof cushions, a lantern, a favourite pot, a chair angled towards the best view of your planting.

Plant for scent, because scent carries in enclosed spaces — jasmine, lavender, mint, or a pot of nicotiana by the door. Add a small table just big enough for a mug of tea and a book. Then use it. Handled thoughtfully, a narrow side return stops being the bit you walk past and becomes the bit you walk into.