Sophie Bennett
Measure the Triangle Before You Choose Anything
Under-stairs space looks generous until you stand in front of it with a tape measure. The usable shape is a right-angled triangle, and the slope is the part that catches people out. Work out exactly what you are dealing with before you browse a single drawer or basket.
- Height at the tall end: floor to underside of the stairs, typically 90-120cm in a UK home.
- Height at the low end: often just 20-40cm, where baskets or shoe trays belong.
- Depth front to back: older terraces can be surprisingly deep, sometimes over 100cm.
- Width across the opening: check the narrowest point, including the door frame and skirting.
- Height every 15cm along the slope: the measurement most people skip and later regret.
Knock on the back wall, too. Some cupboards hide a stopcock, meter or consumer unit, and you do not want to box in something you need in a hurry. Leave an access panel, even a simple magnetic one.
Match the Storage to Your Daily Routine
The best under-stairs coat and shoe store is not the one with the tidiest photograph, it is the one that survives a wet Tuesday morning. Think about who comes through the door first, what they are carrying, and what happens in the first thirty seconds.
- School run: two or three children who need to reach coats and shoes without help.
- Dog walkers: muddy boots, leads, towels and a treat tin within arm's reach.
- Commuters: one work bag, one pair of smart shoes, and a spot for keys.
- Guests: a spare hook or two that is not already full of family clutter.
If children are involved, treat the lower half of the triangle as theirs. If it is mostly adults, the bottom corner can hold out-of-season shoes while everyday items sit higher up.
Pull-Out Drawers: The Best Friend of a Deep Triangle
Deep cupboards swallow things. A drawer on full-extension runners brings the contents back into the light, so you use what is in there rather than buying a third pair of wellies because you cannot find the second.
A shallow drawer, around 12-15cm deep and 45-60cm wide, holds roughly eight to ten pairs of adult shoes side by side. Stack two or three in the tall end and you have a family shoe store in the footprint of one cupboard.
- Choose full-extension runners so the drawer clears the door frame.
- Allow a couple of millimetres of wiggle room; wood moves with the seasons.
- Line the base with a washable mat for wet boots.
- Label each drawer if two children share similar-sized shoes.
At the shallow end, swap full drawers for tilt-out baskets or pull-out trays that need only 20cm of height. They are ideal for polish, spare laces and stray gloves.
Angled Cupboards and Doors That Follow the Slope
Ready-made cupboards rarely fit a staircase neatly. A bespoke angled door cut to follow the underside of the stairs uses the space far better and looks intentional rather than improvised. The trade-off is cost, so decide where the money goes.
Spend it at the tall end, where doors are visible and used every day. At the low end, a fixed panel or lift-off hatch is often enough. Hinged doors are usually easier than sliding ones in a narrow hall, where a track costs you a few centimetres of depth.
Keep the door swing in mind, too. A cupboard door that opens into a hallway already crowded with prams and shopping bags will soon be left ajar. If space is tight, choose a door that folds back flat against the wall.
Open Baskets, Hooks and the Low Front Section
Not everything needs a door. Open storage at the bottom of the triangle keeps everyday items visible, which is exactly what you want when your hands are full. Woven baskets slide in and out easily and forgive a bit of rough handling.
- Boot tray: a lipped tray at floor level contains grit and drips.
- Baskets at 20-40cm: hats, gloves, scarves, dog leads.
- Hooks at 90-110cm: low enough for children, high enough that adult coats clear the floor.
- High shelf at the tall end: spare bulbs, picnic rugs, twice-a-year items.
Double up on hooks where you can. A row of pegs on a batten on the back wall costs very little and gives each person a fixed spot, which is half the battle won.
Lighting, Ventilation and the Finishing Touches
Under-stairs cupboards are dark, and a dark cupboard is where things get lost. A battery-powered LED strip with a motion sensor costs very little and transforms how the space works. Fit it above the drawer line so it lights what you are looking at rather than the back of your head.
Damp coats need air. If you hang wet things in an enclosed cupboard, leave a small vent in the door or wall, or keep the door open for an hour after the school run. Silica gel sachets at the back help with condensation, though nothing beats a bit of airflow.
Finally, paint the inside a light colour. It reflects what little light there is, makes the space feel bigger, and turns a forgotten triangular void into something that earns its keep every day.
