Outdoor Kitchen Layout: Dimensions, Clearances and the Right Shape for Your Patio

The best outdoor kitchen layout for most patios is an L: grill on one leg, prep and sink on the other, bar seating on the side away from the smoke. Build counters 36 inches high, the bar at 42 inches with a 12-inch overhang, and leave a 42- to 48-inch aisle for the cook.

Most of these numbers come from the National Kitchen & Bath Association’s planning guidelines for indoor kitchens. They carry outdoors well, because people and bar stools are the same size on a patio.

Outdoor kitchen dimensions at a glance

The NKBA figures are guidelines, not code, as Fine Homebuilding notes in its summary of them. They’re still the best starting point there is.

Element	Dimension	Notes
Prep and grill counter height	36 in	Same as a standard indoor counter
Bar counter height	42 in	Pairs with bar-height stools
Counter depth	24 in minimum	Built-in grills often push the island deeper; see below
Seating overhang	12 in at 42 in high, 15 in at 36 in, 18 in at 30 in	Higher seats need less knee room
Countertop edge, non-seating sides	About 2 in past the island face	Unilock advises not going past 12 in on the bar side
Width per seat	24 in	Three stools need 6 ft of bar
Built-in grill width	26 to 54 in	Summerset’s range; cutouts about 20 to 25 in deep
Landing beside the grill	12 in one side, 15 in the other	NKBA minimum; outdoor designer Russ Faulk asks for 24 in and 12 in
Prep area beside the sink	36 in wide by 24 in deep	NKBA’s primary prep area
Landing beside the sink	24 in one side, 18 in the other	For a main cleanup sink
Work aisle	42 in one cook, 48 in two or more	NKBA indoor numbers; Faulk calls for 48 in and 54 in outdoors
Walkway around the island	36 in	Traffic only, no cooking
Behind seated guests	32 in, 36 in to squeeze past, 44 in to walk	Counter edge to wall or obstacle
Kitchen size	10 ft of counter small, 16 ft medium, 20+ ft large	Faulk’s tiers; see the size table below

How big an outdoor kitchen should be

Size an outdoor kitchen by the length of counter, not the number of appliances. Russ Faulk’s tiers run from a 10-foot small kitchen to more than 20 feet of counter for a large one, and each tier sets aside open counter to actually work on, separate from the appliances.

Size	Total counter run	Open counter to work on	Counter depth
Small	10 linear ft	At least 36 in	At least 24 in
Essentials	13 linear ft	At least 48 in	At least 24 in
Medium	16 linear ft	At least 72 in	24 in
Large	More than 20 linear ft	156 in	24 in

For floor area, Angi puts small outdoor kitchens at up to 100 square feet, medium at 100 to 250, large at 250 to 400 and extra-large above that. Draw the island, the aisle and the seating on the patio plan before you size the patio, then add the dining area. HomeGuide puts the average installed cost at $7,000 to $35,000; our patio cost calculator prices the patio under it.

Built-in grill sizes

Grill width drives the length of the hot side. Summerset’s built-in lineup alone runs from 26 to 54 inches, with cutouts about 20 to 25 inches deep. Pick the grill first, then add its landing space on both sides to get the run length.

Counter height, depth and the bar

Standard outdoor kitchen counter and bar height

Keep the working counter at 36 inches, the same height as your kitchen inside. A 42-inch raised bar on the back side of the island gives guests a place to sit and hides the prep mess from them.

Outdoor kitchen counter depth

Depth is where outdoor islands differ from indoor ones. Standard base cabinets are 24 inches deep, but a built-in grill needs more room. Coyote’s install guide for its 36-inch grill calls for a cutout 32 1/2 inches wide and 20 1/2 inches deep, and 35 3/4 by 22 1/8 inches with its insulated jacket. That’s why outdoor islands are usually built deeper than indoor counters. The example in our diagram uses 30 inches.

Outdoor kitchen bar overhang

For the bar, NKBA’s overhang depends on seat height: 12 inches at a 42-inch bar, 15 inches at a 36-inch counter and 18 inches at a 30-inch table. Allow 24 inches of length per stool. Big overhangs often need brackets or legs, so ask your countertop fabricator what their stone needs.

On a block island, Unilock’s outdoor kitchen build guide runs the countertop about 2 inches past the island face on the plain sides and 12 inches past it on the bar side, and advises against going past 12 inches.

Put the bar on the prep or sink side of the island, not behind the grill, where guests sit in the heat and smoke.

Landing space and the four work zones

Every appliance needs a place to set things down. NKBA’s minimum next to a cooking surface is 12 inches on one side and 15 on the other. Outdoors, plan more: platters and grill tools all land there at once.

Think of the island in four zones and lay them out in the order food moves:

• Cold: an outdoor-rated fridge or ice bin, where food starts
• Wet: the sink, with NKBA’s 36 by 24 inch prep area right beside it
• Hot: the grill, side burner or griddle, with landing on both sides
• Dry: serving and landing counter, closest to where people eat

If you’re short on space, the sink is the first thing to cut. It adds a water line, a drain and, in freezing climates, a way to drain the lines for winter.

University of Delaware Extension’s home landscape design guide plans about 25 square feet for a basic cooking and prep space, with a grill taking about 3 by 2 feet. That covers a grill cart and a side table, not a built-in island.

Aisles and clearances around the grill

Leave 42 inches between the front of the counter and anything behind the cook, or 48 inches if two people cook together. Keep walkways at least 36 inches wide. Behind bar stools, Fine Homebuilding recommends 32 inches if nobody passes, 36 inches to squeeze by and 44 inches for people to walk.

Those are indoor numbers. Russ Faulk, chief designer at Kalamazoo Outdoor Gourmet, writes in JLC that an outdoor aisle should be at least 48 inches wide for one cook and 54 for two. He also asks for 24 inches of open counter on one side of the grill and 12 on the other, more than NKBA’s minimum. If the patio has room, build to his numbers. The aisle is the easiest dimension to lose, because the patio often gets sized before the island is drawn.

The grill has its own rules, and they’re in its installation manual. In Coyote’s guide for the 36-inch model:

• Combustible material can’t be within 24 inches of the grill frame, in any direction, unless you use the grill’s insulated jacket
• The hood needs at least 2 inches of clearance at the back to open
• A wall or partition behind the grill needs at least 7 inches of clearance for exhaust
• The island needs at least two vents of 20 square inches or more, on different walls, set low for propane and high for natural gas

Your grill’s numbers may differ, so download the manual for the exact model before the island is framed. Block, concrete and other non-combustible framing avoids most of the clearance problems that wood framing creates.

Covered kitchens add an overhead clearance and may need a vent hood, both set by the grill and hood makers and your local code. Plan those with the roof or pergola, not after.

Putting a pergola over the kitchen? Our guide to anchoring pergola posts on a paver patio walks through footings, metal post kits and how the pavers fit around each post.

L-shaped, U-shaped or straight

Shape	Best for	Footprint math	Trade-offs
Straight run	Small patios, one cook	Counter depth plus a 42 in aisle	Simplest; the cook’s back is to guests unless a bar is added
L-shaped	Most patios	Two legs plus a 42 in aisle inside the L	Separates hot and wet zones; the corner is awkward storage
U-shaped	Serious cooks, big patios	30 + 42 + 30 = 102 in (8 ft 6 in) across, or 9 ft with a 48 in aisle	The most counter; boxes the cook in and eats patio space
Two runs facing each other	Two cooks	Same math as the U	Good teamwork space; needs the 48 in aisle

An L suits most patios. It keeps the grill and sink on separate legs, gives the bar a natural home and leaves the inside corner open for the cook.

A U only works on a big patio. Before you commit, check that the island plus its aisles and seating leaves room for a table; our patio size guide shows what fits on common patio sizes. Our guide to backyard layout covers where the kitchen should sit relative to the back door, the dining area and any fire feature. If a fire pit is part of the plan, see how we build a fire pit on pavers.

Adding a fire pit to the same patio? See how far a fire pit should be from the house for the 25-foot rule on wood fires and when gas fire tables and local rules change it, and seat wall dimensions if you’d rather build the seating in.

Run utilities and plan the base before the pavers

The expensive mistakes in outdoor kitchens happen underground. Once pavers are down, adding a gas line or an outlet means pulling them up.

• Before any trench: contact 811 a few days ahead so buried utilities get marked; some lines sit just inches down
• Gas: decide propane or natural gas, and have a licensed gas fitter run and test the line
• Power: run conduit for the fridge, lights and outlets, and have an electrician wire it to code
• Water: a supply and drain for the sink, with a way to drain it for winter where it freezes
• Sleeves: lay spare empty conduit under the patio, because someone always wants one more circuit later

The kitchen is one piece of the patio plan. Our hardscape design walkthrough explains the order to plan the patio, walks, steps and walls around it, and what the finished plan should show.

A block island with a stone top is heavy. Decide before the base goes in whether it sits on the patio’s compacted base or on its own slab. Our patios get 6 inches of compacted dense-graded base (crusher run, road base or 2A modified in Pennsylvania), more on clay or wet ground. Keep the island from blocking the patio’s pitch away from the house so water doesn’t pond against it.

Building the patio under the kitchen too? Our pavers and patios guide covers base depth, pitch and edging.

If you’d like this drawn before you buy anything, our online patio design plans lay out the island and aisles to scale for any U.S. yard; construction details come with the Build-Ready plan ($1,795).

When to call a pro

• Any gas line, from the meter or the tank to the grill
• Electrical circuits, outlets and the fridge circuit
• A roof, pergola or vent hood over the grill
• Stone countertops with large overhangs
• A patio that has to be built or rebuilt to carry the island

Laying out the island, picking appliances and stacking a block island on a properly built base are fair DIY work if you’re handy.

Frequently Asked Questions

How much space do you need for an outdoor kitchen?

A grill and a side table fit in about 25 square feet. A built-in island needs its own footprint plus a 42-inch aisle for the cook and room to walk behind any seating, so a 10 by 9 foot L-shaped island takes a patio much larger than the island itself.

How high should an outdoor kitchen counter be?

Build prep and grill counters 36 inches high and bar counters 42 inches high. A 30-inch section works for table-height dining.

How much overhang does an outdoor bar need?

Plan 12 inches of overhang on a 42-inch bar, 15 inches on a 36-inch counter and 18 inches at a 30-inch table, with 24 inches of length per seat.

Can a built-in grill go in a wood-framed island?

Only if the grill’s maker allows it, usually with its insulated jacket. Coyote’s guide, for example, requires the jacket whenever combustible material is within 24 inches of the grill frame.

How far should an outdoor kitchen be from the house?

Far enough that the grill sits clear of siding, eaves and overhanging branches. NFPA advises placing a grill well away from the home and deck railings and out from under eaves. The grill’s manual sets the exact clearance to combustibles; Coyote’s is 24 inches without its insulated jacket.

How deep should an outdoor kitchen counter be?

Deeper than an indoor counter. Indoor base cabinets are 24 inches deep, but Coyote’s 36-inch built-in grill needs a cutout 20 1/2 inches deep, or 22 1/8 inches with its jacket, plus room for the frame around it. The example island in our diagram is 30 inches deep.

Can an outdoor kitchen sit on a paver patio?

Yes, if the base under it is built for the weight. A block island with a stone top is heavy, so decide before the base goes in whether it sits on the patio’s compacted base or on its own slab. Our patios get 6 inches of compacted dense-graded base, more on clay, and the island must not block the patio’s pitch away from the house.

What are standard outdoor kitchen dimensions?

Counters 36 inches high and at least 24 inches deep, a 42-inch bar with a 12-inch overhang, and 24 inches of bar per stool. The work aisle is 42 inches by NKBA’s indoor guideline or 48 inches by outdoor designer guidance. Built-in grills run from about 26 to 54 inches wide.

What is a typical outdoor kitchen size?

Kalamazoo designer Russ Faulk sizes a small outdoor kitchen at 10 linear feet of counter, a medium one at 16 and a large one at more than 20. Angi puts small outdoor kitchens at up to 100 square feet, medium at 100 to 250 and large at 250 to 400.

How wide should an outdoor kitchen aisle be?

NKBA’s indoor guideline is 42 inches for one cook and 48 for two. Russ Faulk of Kalamazoo Outdoor Gourmet recommends at least 48 inches for one cook and 54 for two outdoors. Use the wider numbers if the patio has room.

Sources: Fine Homebuilding, The Practical Details of Kitchen Islands (NKBA planning guidelines); JLC, Guidelines for Kitchen Island Functionality (NKBA planning guidelines); JLC, Designing Outdoor Kitchens, by Russ Faulk of Kalamazoo Outdoor Gourmet; Unilock, How to Build an Outdoor Kitchen; Summerset Grills, built-in grill cutout dimensions; Coyote Outdoor Living, C2C36 Built-In Grill Install Guide; Angi, outdoor kitchen size; HomeGuide, outdoor kitchen cost; University of Delaware Cooperative Extension, Designing a Sustainable Landscape to Serve Your Needs; 811, Before You Dig; Connecticut Commission on Fire Prevention and Control, NFPA grilling safety tips

Written and reviewed by Thayne Muthler, owner of Muthler Landscaping & Construction. How we check facts: editorial policy.