A small kitchen works when every appliance is sized to the room and none of them is a compromise. For most studios, ADUs, and compact homes, that means a 24-inch refrigerator, a two- or three-zone induction cooktop, a combination or compact oven, and an 18-inch dishwasher. Together they fit in about eight to ten feet of wall and still let you cook dinner for four.
The Right-Sized kitchen spec
| Appliance | Full-size default | Right-sized spec | What you gain |
|---|---|---|---|
| Refrigerator | 30–36" wide | 24" wide, counter-depth | 6–12" of counter or a pull-out pantry |
| Cooktop | 30–36", 4–5 burners | 24" induction, 2–3 zones | Counter space when it's off; no open flame |
| Oven | 30" range | 24" wall oven or microwave-convection combo | A second job for one appliance |
| Dishwasher | 24" | 18" | A 6" drawer stack or trash pull-out |
| Laundry | Separate room | All-in-one in a closet | A whole room back (see our laundry guide) |
The freed-up inches matter more than they look. Six inches beside a fridge becomes a spice pull-out. Twelve inches of counter is where the coffee lives.
1. Refrigerator: 24 inches, counter-depth
A 24-inch, counter-depth, bottom-freezer refrigerator is the workhorse of small kitchens across Europe, and US makers now offer several.
Picks at three price points
- Budget: Avanti 24" refrigerators - apartment-size fridges from a compact-appliance specialist. Compare top- and bottom-freezer models.
- Mid-range: Summit 24" counter-depth bottom-freezer with ice maker - a value-focused alternative from a brand that specializes in compact appliances.
- Premium: Liebherr 24" counter-depth bottom-freezer refrigerator - about 12.8 cu. ft. in a 24" footprint. A premium choice if you cook often.
Before you buy: check door swing against nearby walls, the depth with handles, and whether the model is designed for built-in or freestanding installation.
2. Cooktop: induction, 24 inches
Induction is the right-sized answer. It is fast and precise, the glass top becomes extra counter when it's cool, and there is no flame in a small room. Many induction cooktops need a dedicated circuit, so confirm the electrical requirements with an electrician.
Picks at three price points
- Budget: Duxtop 9600LS portable induction burner - a single plug-in burner for a guest suite, a second cooking zone when entertaining, or trying induction before you commit. Not a substitute for a permanent cooktop where code requires one.
- Mid-range: Empava 24" induction cooktop - a four-zone, built-in 24" induction cooktop at an accessible price. Confirm the 240V circuit requirement with an electrician.
- Premium: Bosch 800 Series 24" induction cooktop (NIT8461UC) - three zones and a frameless edge that sits flush and reads as counter.
Code note: in many jurisdictions an ADU kitchen must include a permanent cooking appliance. A plug-in burner or microwave alone usually won't qualify. Confirm with your local building department.
3. Dishwasher: 18 inches
An 18-inch dishwasher handles a day's dishes for one or two people, and it frees six inches for a drawer stack.
- Budget: Frigidaire 18" dishwashers - basic, reliable 18" models from a mass-market brand.
- Mid-range: Bosch 300 Series 18" dishwasher (SPE53C55UC) - a quiet, third-rack model with a front control panel.
- Premium: Bosch 800 Series 18" dishwasher (SPE68C75UC) - quieter, with Bosch's CrystalDry drying and a third rack.
4. When the kitchen is a single wall: the all-in-one kitchenette
For a guest suite, office studio, or pool house, a combination kitchen puts a refrigerator-freezer, cooktop, sink, and storage into one 30-inch unit.
- Mid-range: Summit C30IND all-in-one kitchenette - a 30" unit with a two-burner induction cooktop, two-door refrigerator-freezer, sink, and storage.
A kitchenette is ideal for a secondary suite. If the space is someone's full-time home, compare it carefully against a full kitchen spec and local requirements.
5. Cookware that nests
Small kitchens run out of cabinet space before they run out of counter. Choose pieces that do several jobs and stack.
- Mid-range: Our Place Always Pan - one pan that sautés, steams, and fries, designed to replace several. Induction-compatible versions are available; check the product listing.
- Budget: Joseph Joseph Nest 9 Plus - nine prep pieces (bowls, measuring cups, sieve, colander) that stack into the footprint of one bowl.
What a right-sized kitchen costs
- Budget: a 24" apartment fridge, a portable or entry-level induction cooktop, and an 18" dishwasher from a mass-market brand.
- Mid-range: a counter-depth 24" fridge, a built-in induction cooktop, and a quiet 18" dishwasher - the sweet spot for most ADUs.
- Premium: a panel-ready or European fridge, a frameless induction cooktop, and a top-line 18" dishwasher.
Plan the layout before the appliances
- Keep the work triangle short. In a single-wall kitchen, put the sink between the fridge and cooktop.
- Give every appliance a landing zone. Aim for counter space beside the fridge and the cooktop.
- Go tall. Ceiling-height cabinets hold the things you use twice a year.
- Use the gaps. A 6" pull-out beside the fridge holds oils and spices; a toe-kick drawer holds baking sheets. A magnetic knife strip frees a drawer and a block of counter.
- Ventilate. Induction still makes steam and smoke. Plan a range hood that exhausts outdoors where possible.
Mistakes to avoid
- Buying the appliances before the cabinets. Panel-ready and built-in models have exact cut-outs. Get the installation specs first.
- Forgetting the electrical panel. Induction cooktops, ovens, and all-in-one laundry may need dedicated circuits. Ask an electrician before ordering.
- Choosing a full-depth fridge. A standard-depth refrigerator sticks out past the counter and eats circulation in a narrow kitchen.
Our top picks
- Budget: Duxtop 9600LS portable induction burner - try induction or add a second zone for guests.
- Mid-range: Bosch 300 Series 18" dishwasher (SPE53C55UC) - a quiet 18" workhorse that frees six inches for drawers.
- Premium: Bosch 800 Series 24" induction cooktop (NIT8461UC) - frameless, so it reads as counter when it's off.
Frequently asked questions
What appliances does an ADU kitchen need? At minimum, most ADU kitchens need a sink, refrigeration, and a permanent cooking appliance, but requirements vary. Check with your local building department before you design.
Is a 24-inch refrigerator big enough? For one or two people who shop weekly, usually yes. Compare the cubic footage of the specific model to what you use now.
Is an 18-inch dishwasher worth it? If you live alone or as a couple, it typically handles a day's dishes and frees six inches for storage.
Is induction better than gas for a small kitchen? For many small homes, yes: it's fast, the surface doubles as counter when cool, and there's no open flame. It does need compatible cookware and the right electrical circuit.
What is an all-in-one kitchenette? A single appliance that combines a refrigerator, cooktop, sink, and storage, typically about 30 inches wide. It suits guest suites and secondary units.
Make room for your own life.
Use the free Right-Sized Planner to list how you really cook, match it to the 7 Moves, and decide which appliance to right-size first.
Keep exploring: How to Host 10 People in 400 Square Feet · Laundry in a Closet · The 7 Moves
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Founder of Right Sized Intelligent Living and Sightline Homes. More than 25 years in architecture and real estate development inform her approach to spaces that work harder and feel easier.