Start by Measuring — and Rethinking — the Space You Have

Before you buy a single pot or cushion, spend twenty minutes with a tape measure and a notebook. Small courtyard gardens are usually defined by their boundaries: a wall or fence on three sides, a house on the fourth, and often a narrow access path. Draw a rough plan to scale on graph paper, marking doors, drains, manhole covers, downpipes and the direction the sun travels across the space. Most UK courtyards face north or are shaded by neighbouring buildings for part of the day, so note where sunlight actually lands at 10am, 1pm and 5pm in summer.

That simple exercise usually reveals two things. First, that a surprising amount of floor area is taken up by things you cannot move — bins, a boiler flue, a bike store. Second, that the eye is drawn to whatever sits at the far end of the view. If you place your best feature there and keep everything else quiet, the garden will feel considerably larger than its dimensions suggest.

Go Up: Vertical Planters and Wall Space

When floor space is scarce, the walls become your growing area. A south-facing brick wall is one of the best microclimates a small garden can offer, holding warmth well into the evening. Fix trellis or wire training systems to it and you gain several square metres of planting potential without losing an inch of paving.

• Climbers for small spaces: jasmine, clematis, climbing roses and pyracantha all cope well in containers if given a decent root run and regular feeding.
• Wall-mounted planters: modular felt pockets or tiered troughs work well for herbs, salad leaves and trailing plants such as trailing lobelia or ivy-leaved pelargoniums.
• Freestanding vertical frames: a simple wooden or metal frame with three or four shelves gives you height, shade and screening in one go — ideal for screening a bin store or a neighbour's window.
• Hanging baskets and brackets: underused in courtyards. Hang them at head height on walls rather than from a washing line, where they tend to drip on seating.

Keep vertical planting to two or three complementary colours. A jumble of different pots at different heights can feel cluttered, which is the opposite of what a small space needs.

Choose Furniture That Earns Its Keep

In a courtyard, furniture should be foldable, stackable or dual-purpose. A bistro table and two chairs that fold flat against the wall free up the whole space for most of the week. If you entertain, consider a bench with storage underneath — it doubles as a seat and a home for cushions, tools and the barbecue cover.

Look for pieces made from materials that cope with British weather without constant attention: powder-coated aluminium, teak, acacia and synthetic rattan all perform well. Avoid heavy cast iron unless you plan to leave it in one spot permanently. Corner benches built in at right angles are a particularly clever trick, because they use the awkward junction where two walls meet and leave the centre of the garden clear.

As a rough guide, allow about 75cm of clear space for a chair to be pulled out comfortably, and 90cm for a walkway past seating. If your measurements fall short, go smaller rather than squeezing people in.

Use Light Colours, Reflections and Borrowed Views

Colour has a genuine effect on how big a space feels. Pale greys, soft creams, sage greens and warm sand tones bounce light around a courtyard, especially in the shade. Dark decking, black fencing and heavy terracotta can make a narrow space feel like a corridor.

Paint walls and fences in a light shade, and continue that tone onto the floor. Pale porcelain paving or light-coloured gravel laid over a weed-suppressing membrane will lift the whole area. Add a mirror — a simple frameless panel or an arched design — fixed to a wall where it reflects planting or sky. Position it carefully so it does not reflect a neighbouring window or an ugly drain.

Another trick is the borrowed view. If a mature tree or a church spire sits beyond your boundary, frame it with an open trellis panel or a gap in the planting. Your eye reads it as part of your garden, and the space feels deeper.

Zone the Space Without Walls

You do not need physical dividers to create distinct areas. A change of surface does the job: gravel for a dining corner, paving for a seating nook, a couple of large pavers set into pebbles for pots. Height differences of just one or two courses of brick can separate zones without eating space.

Lighting extends the garden into the evening and makes it feel more generous. Warm-white solar stake lights, a string of festoon lights on a wall bracket, or a single uplighter aimed at a climber will all work in a courtyard. Keep cables tidy and use outdoor-rated fittings, plugged into an RCD-protected socket.

Finally, plant generously but choose carefully: a few larger specimens make more impact than many small pots. A single olive, acer or bay in a substantial container, underplanted with herbs, gives structure and greenery without crowding. Fill gaps with annuals in summer, then swap them out for evergreens in autumn. With a light palette, clever storage and a bit of vertical thinking, even a courtyard the size of a parking space can become the best room in the house.