The goal in a small kitchen is not more storage. It is making the storage you have reachable. Most of what feels like a space problem is a depth problem — the pan you need under three others, the spice behind four you don't — and depth is fixable in an afternoon. Here is the order that works.
Step one: get the counter down to what you use daily
Counters fill with things that have no home. Give the three usual suspects one. Spices: SpiceDock puts them in matching jars on a compact rack that stands on the counter or hangs on the wall; Savor is the taller modular version with angled tiers so every lid faces you (jars not included). The sink edge: Cascade holds soap, sponge and brush on two tiers and sends the drips back into the basin through a rotating spout. Drying utensils: Upright stands them in four slots with drain holes underneath. If the fridge door is steel, MagnaTier turns it into two more shelves without touching a wall.
Step two: bring the back of the cabinet forward
This is where the biggest change happens. For pans and lids, GlideRack slides the whole stack out on a damped rail with dividers that hold each piece upright; it needs a frameless cabinet at least 10 in wide, 20 in deep and 12 in tall, so measure before ordering. For anything in jars — spices, supplements, oils — Pivot is two decks that slide out and swivel toward you in an 11-inch footprint, with no installation at all. If you would rather keep cookware on a shelf, Rung rebuilds into a horizontal or vertical layout with six movable dividers.
Step three: under the sink
The cabinet under the sink is the deepest, darkest one in the room and the pipes make half of it unusable. UnderStack is an offset two-tier frame that leaves room for the plumbing and slides its lower drawer forward by a handle. It publishes the cabinet opening it needs — at least 12.5 in wide, 15.5 in deep and 13 in tall — so check hinges, disposal and pipes first.
Step four: the drawer that never fits
Fixed cutlery trays leave a dead gap or don't go in at all. Span slides from about 13 to 17 inches to match the drawer; GrainSort does the same in solid bamboo from 33 to 50 cm with sliding dividers. Measure the inside width of the drawer, not the front.
Step five: the fridge
Cans roll and produce hides. FreshStack keeps a row of cans or a bin of fruit visible and stacks to use the empty height of a shelf.
What this plan does not do
It does not add square footage, and it does not help a kitchen where the real problem is too much stuff. Before buying any of it, take everything out of one cabinet and put back only what you used in the last month. Then organize what is left. For why most cabinet organizing collapses within a month, read how to organize kitchen cabinets so they stay organized.
The short list
All of these pieces, grouped by problem with the measurements that matter, are on the kitchen organization for small homes page. The full kitchen collection has the rest.