How do I stop the under-sink cupboard from smelling damp?

Keep the area dry by wiping up spills promptly and leaving the cupboard door open occasionally to let air circulate. Use a small dehumidifier or a moisture absorber if the space is prone to condensation. Check for leaks regularly, and if you notice persistent damp, call a plumber to inspect the pipes.

Can I use adhesive hooks on the inside of the cupboard door?

Yes, adhesive hooks or strips work well for lightweight items like sponges, small brushes or a roll of bin bags. They are a good option for rented homes because they do not leave holes. Make sure the surface is clean and dry before applying, and check that the door still closes properly.

What is the best way to store cleaning chemicals under the sink?

Keep chemicals in their original bottles with lids tightly closed, and store them in a sturdy tray or bin on the floor to prevent spills. Do not mix different products, and keep them away from food items. If you have children or pets, use a childproof latch on the cupboard door.

How much weight can a door caddy hold?

Most door caddies are designed for light items such as spray bottles and brushes, not heavy containers. The hinges and door panel are not built to support much weight. If you need to store heavier bottles, keep them on a shelf or the floor instead.

Under-Sink Storage Ideas for UK Kitchens: Racks, Bins and Door Caddies

Why the Under-Sink Area Is So Hard to Organise

The cupboard under the kitchen sink is one of the most awkward spaces in a UK home. It is usually shallow, interrupted by pipework, and often damp. Standard shelves rarely fit around the U-bend, so items end up stacked in a jumble at the back, where they are hard to reach and easy to forget.

Before you buy anything, take everything out and wipe down the surfaces. Check for leaks or signs of damp, because any storage solution will fail if the area is wet. If you spot a problem, fix it first or call a plumber. Once the space is dry and clean, you can measure the width, depth and height, noting where the pipes sit and how much clearance you have above them.

The goal is to use the vertical space above the pipework, the floor area around it, and the inside of the door. Most under-sink cupboards are roughly 60 cm wide and 50 cm deep, but sizes vary, so always measure your own before choosing products.

Open kitchen cupboard under a sink showing pipework and empty space

Racks and Shelving That Work Around Pipes

A simple wire shelf or a stackable tiered rack can double the usable space above the U-bend. Look for units with adjustable legs so you can raise one side to clear the pipework. Chrome or coated steel racks are best because they resist moisture and are easy to wipe clean.

For the floor area, a narrow trolley or a set of stackable plastic crates can hold heavier items like cleaning products and spare bottles. Choose containers with handles or open fronts so you can pull them out without moving everything else. If the cupboard is deep, a pull-out drawer unit on runners makes the back reachable, though it needs a flat base and enough clearance.

Measure the height from the bottom of the sink to the cupboard floor. If it is less than 20 cm, you will only fit flat items there, so focus on the space above. If it is more than 30 cm, a two-tier rack can hold bottles and spray cleaners side by side.

Adjustable wire shelf that sits over the pipework
Stackable plastic crates with handles for heavy items
Pull-out drawer unit on runners for deep cupboards
Narrow trolley that fits beside the waste pipe

Bins and Containers for Grouping Items

Grouping items by type makes the under-sink cupboard far easier to use. Clear plastic bins let you see what is inside without pulling everything out. Use one bin for cleaning cloths and sponges, another for spare dish soap and rinse aid, and a third for scourers and brushes. Label each bin if you share the kitchen with others.

For small items like rubber gloves, zip ties or spare sink plugs, use shallow trays or open baskets that can sit on the shelf above the pipes. Avoid deep containers that hide things at the bottom. If you store chemical cleaners, keep them in their original bottles and make sure lids are tight. Never mix different products in one container.

A caddy with a handle is useful for carrying cleaning supplies to other rooms. Keep it under the sink with the most-used sprays and wipes, so you can grab it quickly. For pet owners, a bin for food bowls and grooming tools can keep them separate from human cleaning products.

Item type	Best container	Where to place
Sponges, cloths, brushes	Open basket or mesh bin	On the shelf above pipes
Spare bottles, refills	Clear plastic bin with lid	Floor area beside the waste pipe
Rubber gloves, small tools	Shallow tray or divided caddy	Inside the door or on the shelf
Chemical cleaners	Original bottles in a sturdy tray	Floor area, away from food items

Door Caddies: Using the Back of the Door

The inside of the cupboard door is often wasted space. A door caddy with pockets or slots can hold spray bottles, brushes and small tools without taking up shelf space. Most caddies screw into the door, but adhesive hooks or strips work well for lightweight items and are better for rented homes.

Before fitting a caddy, check that the door closes fully and that the caddy does not hit the pipework or the shelf. Measure the door width and the depth of the cupboard. A caddy that is too deep will stop the door from closing. For a standard 60 cm cupboard, a caddy about 40 cm wide and 15 cm deep usually fits.

Use the caddy for items you reach for daily, such as washing-up liquid, surface spray and a scrubbing brush. Keep heavier bottles on the shelf or floor, because the door hinges are not designed to carry much weight. If you have a double sink, you may have two doors, so you can fit a caddy on each side.

Caddy attached to the inside of a kitchen cupboard door holding cleaning bottles

A Worked Example: Organising a Typical UK Under-Sink Cupboard

Imagine a standard 60 cm wide cupboard with a single bowl sink, a U-bend in the middle, and about 35 cm of height from the floor to the underside of the sink. The pipework takes up the back third of the space. You have a collection of cleaning sprays, spare sponges, a box of bin bags, and a few bottles of fabric conditioner that you keep there because there is nowhere else.

Start by removing everything and sorting into three piles: daily use, weekly use, and rarely used. Throw away any empty bottles or dried-out sponges. Wipe the cupboard floor and walls, and check the pipe joints for moisture. If all is dry, fit an adjustable wire shelf above the U-bend, set so it is level and clears the pipes. On this shelf, place a shallow tray with the daily sprays and a small open basket for sponges and brushes.

On the floor, put a clear plastic bin for the fabric conditioner and spare cleaning refills, and a second bin for bin bags and cloths. Attach a door caddy to the inside of the door and fill it with the washing-up liquid, a surface spray and a scrubbing brush. Label the bins with a marker or label maker. The result is a cupboard where everything has a place, the daily items are within reach, and the rarely used items are stored but not forgotten.