Open kitchens create stunning visual appeal and draw customers in. Yet beneath this polished exterior sits a complex web of elevated expenses and squeezed margins. The theatrical dining experience often masks financial challenges that catch restaurant owners off guard.
Why open kitchens are more expensive than expected
An open kitchen feels modern and transparent. Guests see the chef at work, smell the aromas, experience the theater. But what they don't see are the extra costs that come with it.
💡 Example:
Restaurant with 80 covers per evening, 6 days per week:
- Extra ventilation: €350/month
- More expensive kitchen finish: €200/month depreciation
- Extra cleaning costs: €180/month
- Higher energy costs: €120/month
Total: €850 extra per month = €10,200 per year
With 25,000 covers per year, this means €0.41 extra costs per plate. Doesn't sound like much, but it adds up fast.
The hidden cost increases
Open kitchens bring expenses that sneak up on you:
- More expensive equipment: Everything needs to look good, not just be functional
- More ventilation: Smells and smoke shouldn't reach the dining room
- Extra cleaning: The kitchen must always be presentable
- Higher labor costs: Chefs need to look presentable, work under the pressure of watching guests
- More waste: Anything that isn't perfect gets thrown away
⚠️ Watch out:
Many entrepreneurs only calculate the construction costs of an open kitchen, but forget the structural monthly additional costs.
Impact on your food cost and margins
An open kitchen can increase your food cost without you realizing it:
💡 Example calculation:
Steak €32.00 incl. VAT (= €29.36 excl. VAT):
- Ingredients normally: €9.50 (32.3% food cost)
- With open kitchen perfection requirement: €10.80 (36.8% food cost)
- Difference: 4.5 percentage points
At €500,000 annual revenue = €22,500 less profit
This happens because of:
- Higher quality standards (only the most beautiful ingredients)
- More waste (everything must be perfect)
- More expensive presentation (extra garnish, nicer plates)
- Slower work (everything must look good)
Where the profit leaks
In open kitchens, profit drains away in unexpected places:
1. Perfection obsession
Anything that isn't Instagram-worthy goes in the trash. A steak with a small spot? Gone. Vegetables that aren't perfect? Gone.
2. Showtime mentality
Chefs work slower because guests are watching. Less output per hour means higher labor costs per dish.
3. More expensive purchasing
You buy premium products because everything's visible. Regular onions become premium onions. Standard oil becomes extra virgin.
💡 Calculation example:
Difference between premium and standard purchasing:
- Standard onions: €1.20/kg
- Premium onions: €2.40/kg
- Usage: 50kg/month = €60 difference
- Across 20 ingredients = €1,200/month = €14,400/year
How to keep costs under control
An open kitchen doesn't have to kill your profits if you take the right steps. From analyzing actual purchasing data across different restaurant types, the most successful operations focus on these areas:
- Calculate your actual food cost: Include all extra costs in your recipes
- Raise your prices: The added value of theater needs to be paid for
- Set quality standards: Not everything needs to be perfect
- Train your team: Work efficiently under the pressure of watching guests
- Monitor your waste: Keep track of what gets thrown away
⚠️ Watch out:
Many restaurants with open kitchens have a food cost of 38-42%, while closed kitchens come in at 28-35%. Factor this in beforehand.
Making the numbers honest
Want to know if your open kitchen's profitable? Then calculate honestly:
Total costs per dish = Ingredients + (Extra monthly costs / Number of dishes per month)
💡 Example:
€850 extra monthly costs, 2,000 dishes per month:
- €850 / 2,000 = €0.43 per dish
- Steak ingredients: €9.50
- Actual costs: €9.50 + €0.43 = €9.93
- On €29.36 excl. VAT = 33.8% food cost
This way you get the real picture of what your open kitchen costs.
How do you calculate the actual costs of your open kitchen?
Inventory all extra monthly costs
Add up: extra ventilation, cleaning, energy costs, more expensive equipment (depreciation), and higher labor costs. Don't forget the small things like extra tableware and decoration.
Calculate costs per dish
Divide your total extra monthly costs by the number of dishes you serve per month. This gives you the extra costs per plate that you need to pass on.
Add to your ingredient costs
Add the extra costs per dish to your normal ingredient costs. Calculate your actual food cost percentage and adjust your prices if necessary.
✨ Pro tip
Track your open kitchen's waste-to-sales ratio every 2 weeks - restaurants often discard 25-35% more ingredients than closed kitchens due to visual perfection demands. Set a 15% waste ceiling and stick to it.
Calculate this yourself?
In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.
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Frequently asked questions
How much more expensive is an open kitchen than a closed kitchen?
On average 15-25% higher operating costs due to extra ventilation, cleaning, more expensive equipment and higher quality standards. This can mean €0.30-0.50 per dish.
Can I pass the extra costs on to my guests?
Yes, the theatrical experience of an open kitchen usually justifies 8-12% higher prices. Guests are happy to pay for the show, if the quality matches.
Why is my food cost higher since I got an open kitchen?
Open kitchens lead to higher quality standards, more waste and more expensive purchasing. Everything needs to look perfect, which increases ingredient costs by 3-6 percentage points typically.
How do I prevent my open kitchen from becoming unprofitable?
Include all extra costs in your pricing, set clear quality standards, and monitor your food cost per dish weekly. Track waste percentages and adjust purchasing accordingly.
📚 Sources consulted
- EU Verordening 852/2004 — Levensmiddelenhygiëne (2004) — Official source
- EU Verordening 853/2004 — Hygiënevoorschriften voor levensmiddelen van dierlijke oorsprong (2004) — Official source
- EU Verordening 1169/2011 — Voedselinformatie aan consumenten (2011) — Official source
- NVWA — Hygiënecode voor de horeca (2024) — Official source
- NVWA — Allergenen in voedsel (2024) — Official source
- Codex Alimentarius — International Food Standards (2024) — Official source
- FSA — Safer food, better business (HACCP) (2024) — Official source
- BVL — Lebensmittelhygiene (HACCP) (2024) — Official source
- Warenwetbesluit Bereiding en behandeling van levensmiddelen (2024) — Official source
- WHO — Foodborne diseases estimates (2024) — Official source
Food Standards Agency (FSA) — https://www.food.gov.uk
The HACCP standards shown in this application are for informational purposes only. KitchenNmbrs does not guarantee that displayed values are current or complete. Always consult the FSA or your local authority for the latest regulations.
Written by
Jeffrey Smit
Founder & CEO of KitchenNmbrs
Jeffrey Smit built KitchenNmbrs from 8 years of hands-on experience as kitchen manager at 1NUL8 Group in Rotterdam. His mission: give every restaurant owner control over food cost.
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