Most compact kitchens are not short of floor area. They are short of reachable depth, of uninterrupted run, and of the height sitting empty above the cabinets. Unit galleys, weatherboard rear extensions and 1960s cream-brick side returns across Bentleigh and Ormond usually hold enough volume already — it is simply distributed into corners nothing can reach, into doors that hide the back half of every shelf, and into a 400 mm bulkhead doing no work at all. Measure the waste before you consider moving a wall. Every change described below happens inside the existing footprint, and they are the ones you notice every day.
Read these as specification lines rather than styling ideas. Each one is a decision made at design stage, priced in the quote and impossible to add cheaply afterwards.
In a compact kitchen the stone bill is modest and the joinery bill is not. Put the money into how the cabinetry works before you put it into what it looks like — the finish can be modest and the kitchen will still feel generous.
A 900 mm drawer bank holds what two cupboards of the same width cannot, because nothing is stacked behind anything. Specify full-extension runners so the rear of the drawer clears the bench edge, and plan the depths before the doors are drawn: one shallow for cutlery, two deep for pots and pantry goods. Appliances decide the rest. A 450 mm dishwasher returns 150 mm of bench to the prep side, a microwave moved into a tall unit frees the most valuable surface in the room, and an integrated fridge sitting flush with the cabinetry stops the run visually breaking in half. These are quoted items, not upgrades bolted on at installation.